800 guides
Computers & networks
Windows, Mac, laptops, printers, Wi-Fi and internet.
Windows won’t start 50
- Windows stuck in an automatic repair loop
- PC stuck on 'Diagnosing your PC' screen
- Black screen with a movable mouse cursor after login
- Black screen with no cursor, no login prompt at all
- Windows stuck on the spinning dots loading screen
- Computer keeps restarting itself before reaching the desktop
- 'No bootable device' or 'No boot disk found' error
- 'BOOTMGR is missing' error on startup
- 'Operating system not found' error at startup
- Unexpected BitLocker recovery key screen at startup
- Blue screen 'INACCESSIBLE_BOOT_DEVICE' during startup
- Windows logo appears then freezes completely
- Stuck on 'Getting Windows ready' or 'Working on updates'
- Windows Update stuck at a percentage and won't finish
- Windows won't boot after a recent update
- PC won't start after upgrading to Windows 11
- PC boots straight into BIOS/UEFI setup instead of Windows
- Fast Startup causing Windows to fail to boot properly
- Dual-boot menu missing or wrong OS loads automatically
- Laptop stuck on the manufacturer logo screen at startup
- 'Reboot and Select proper Boot device' error message
- Windows Recovery Environment (WinRE) won't load
- PC drops into BIOS setup every single time you turn it on
- Hard drive or SSD not detected during startup
- Boot Configuration Data (BCD) is missing or corrupted
- PC gets stuck on 'Applying updates' when shutting down
- System Restore fails or gets stuck during recovery
- Windows keeps booting into Safe Mode automatically
- Computer won't wake up from sleep or hibernation
- 'Secure Boot Violation' error prevents Windows from starting
- Blue screen with a stop code appears during startup
- Windows Update triggers 'Your PC couldn't start properly' recovery screen
- New drive won't boot after cloning from the old one
- A connected USB device is preventing Windows from starting
- CHKDSK runs every time you start the PC and never finishes
- Startup Repair says 'Your PC could not be repaired'
- Windows disappears or won't boot after a BIOS update
- TPM or Secure Boot error prevents Windows 11 from starting
- BIOS settings keep resetting, causing repeated boot failures
- Windows logo appears, briefly loads, then restarts repeatedly
- 'Your PC ran into a problem' screen appears every time you start it
- Black screen with only a blinking cursor in the top-left corner
- Computer won't boot after a power outage or sudden power loss
- Windows Boot Manager missing after installing a new drive
- Windows recovery or installation USB won't boot
- PC stuck on the 'Restarting' screen for a very long time
- PC boots but the lock/login screen never appears
- Automatic repair loop continues even after using recovery tools
- Storage drive not detected in BIOS after a firmware update
- Screen goes black a few seconds after the Windows logo appears
Windows errors 50
- Random blue screen crashes with no clear pattern
- Blue screen: MEMORY_MANAGEMENT stop code
- Blue screen: IRQL_NOT_LESS_OR_EQUAL stop code
- Blue screen: PAGE_FAULT_IN_NONPAGED_AREA stop code
- Blue screen: CRITICAL_PROCESS_DIED stop code
- Blue screen: KERNEL_SECURITY_CHECK_FAILURE stop code
- Blue screen: SYSTEM_SERVICE_EXCEPTION stop code
- Blue screen: VIDEO_TDR_FAILURE stop code
- Blue screen: WHEA_UNCORRECTABLE_ERROR stop code
- Blue screen: CLOCK_WATCHDOG_TIMEOUT stop code
- Blue screen: DRIVER_IRQL_NOT_LESS_OR_EQUAL stop code
- Windows Update fails to install with an error code
- Windows Update stuck 'Checking for updates' indefinitely
- Windows Update shows 'Undoing changes' and then fails
- General Windows Update error code (0x800... family) appears
- Device Manager error: 'The drivers for this device are not installed' (Code 28)
- Device Manager error: 'Windows has stopped this device because it has reported problems' (Code 43)
- Programs or games crash due to an outdated driver
- 'Driver Signature Enforcement' error blocks driver installation
- 'DLL is missing' error when opening a program
- 'VCRUNTIME140.dll' or 'MSVCP140.dll' missing error
- A specific program repeatedly says 'Not Responding'
- File Explorer or the taskbar says 'Not Responding'
- File Explorer keeps crashing and restarting on its own
- 'Access Denied' or 'You don't have permission' when opening a file or folder
- Can't delete a file because it says it's 'in use' or 'open in another program'
- Can't save a file, permission denied even as the file's owner
- A program won't open at all, no window or error appears
- An installer fails or gets stuck when installing a program
- An unfamiliar Windows error code with no clear explanation
- Windows says your user profile is corrupted or you're signed in with a temporary profile
- Windows shows 'Windows is not activated' or an activation error
- Windows Security / Defender shows an error or won't turn on
- System file corruption detected but 'unable to fix all' by SFC
- Registry error message appears during startup or in a program
- Windows warns a disk needs to be checked for errors
- 'Out of memory' or 'Low on memory' error appears
- 'USB Device Not Recognized' error when plugging something in
- Network adapter shows an error or 'No network devices found'
- No sound and Device Manager shows an audio driver error
- 'Display driver stopped responding and has recovered' message
- 'Windows Installer' service error when installing or uninstalling programs
- Start menu won't open or doesn't respond when clicked
- Taskbar icons, clock, or system tray stop responding
- Windows Search doesn't return results or won't open
- User Account Control (UAC) prompt keeps appearing repeatedly or won't dismiss
- 'COM Surrogate has stopped working' error appears repeatedly
- A program shows a generic 'Runtime Error' message
- An error occurs while copying, moving, or extracting files
- 'Windows wants to send an error report' or 'Program has stopped working' popup keeps appearing
Windows performance 50
- Windows PC running slow overall
- Windows stuck at 100% disk usage
- Windows stuck at 100% CPU usage
- Windows using too much RAM (high memory usage)
- Windows PC fans always loud or running at full speed
- Windows laptop overheating
- Too many startup programs slowing down Windows
- Windows takes a long time to start up
- Games stuttering or low FPS on a Windows PC
- Game FPS drops the longer you play (thermal throttling)
- Windows randomly freezes or hangs briefly
- File Explorer slow or freezing in Windows
- Hard drive activity light always on and PC feels slow
- Windows Update slowing down the computer
- Antivirus scan slowing down the PC
- Browser using too much memory or CPU on Windows
- Windows Search indexing using high CPU or disk
- Background apps draining resources on Windows
- Windows storage almost full and computer running slow
- Old mechanical hard drive making Windows slow
- Too many browser extensions slowing down Windows
- Windows visual effects and animations slowing down an older PC
- Outdated or corrupt drivers causing slow Windows performance
- Malware or adware slowing down the computer
- Not enough RAM causing slow performance on Windows
- Page file / virtual memory issues slowing down Windows
- OneDrive or Dropbox syncing slowing down the PC
- Windows Defender real-time protection using high CPU
- SysMain (Superfetch) causing high disk usage on Windows
- Windows power plan throttling laptop performance
- Computer with a mechanical hard drive feels slow compared to newer PCs
- Browser tabs causing a memory leak and slowing the PC
- Windows background services eating up resources
- Print spooler stuck and slowing down the computer
- Outdated GPU drivers making games and graphics slow
- Laptop throttling because of dried-out thermal paste
- Dust buildup causing overheating and performance throttling
- Computer feels slow after upgrading to Windows 11
- Windows PC slow when multitasking with multiple apps open
- An app using lots of network bandwidth slowing down the PC
- Windows PC slow to wake from sleep
- Windows startup stuck on checking disk (chkdsk)
- Svchost.exe using high CPU or memory in Windows
- Failing RAM stick causing slow performance and crashes
- Laptop performance throttles when unplugged due to battery
- Windows feels fine but one specific app runs slow
- PC that used to be fast has gradually gotten slower
- Temp files and cache buildup slowing down Windows
- A recently installed program is slowing down the PC
- Windows taskbar or search feels slow or unresponsive
Mac 50
- Mac won't turn on
- Mac stuck on the spinning beach ball
- Mac kernel panic and unexpected restart
- macOS update stuck or won't finish installing
- Mac storage full with large 'System Data' category
- Mac Wi-Fi keeps dropping or disconnecting
- Time Machine backup failing or won't complete
- Mac app can't be opened because it's from an unidentified developer
- Mac running slow overall
- Mac fan running loud constantly
- Mac overheating
- MacBook battery draining fast
- MacBook battery not charging
- Mac won't wake from sleep
- Mac black screen with no display
- Mac screen flickering
- Mac Bluetooth not connecting
- Mac not detecting an external monitor
- MacBook keyboard not working properly
- Mac trackpad not working or unresponsive
- Finder freezing or not responding on Mac
- A specific app keeps crashing on Mac
- Mac stuck on Apple logo or stuck in a boot loop
- Mac stuck on a gray screen at startup
- Forgot Mac password and locked out (legitimate owner)
- iCloud not syncing on Mac
- Spotlight search not working on Mac
- Bluetooth audio lag or stutter on Mac
- No sound or audio not working on Mac
- Microphone not working on Mac
- FaceTime camera not working on Mac
- External hard drive not recognized by Mac
- USB devices not recognized on Mac
- MacBook charger not working
- Mac screen dims randomly
- Mac stuck on a spinning globe at startup
- Migration Assistant stuck when transferring to a new Mac
- AirDrop not working on Mac
- Mail app not syncing or receiving email on Mac
- Safari running slow or crashing on Mac
- Disk Utility First Aid reports errors on Mac
- Purgeable storage space won't clear on Mac
- MacBook hinge loose or screen wobbles
- Liquid spill on a MacBook
- App Store won't download or install apps on Mac
- External keyboard or mouse not working with Mac
- Mac Dock or menu bar frozen and unresponsive
- Printer not working with Mac
- External display resolution looks wrong on Mac
- macOS installer fails to verify or won't start
Laptop power & battery 50
- Laptop won't turn on
- Laptop plugged in but not charging
- Laptop battery drains much faster than it used to
- Laptop charger stopped working
- Laptop battery percentage stuck or not updating
- Laptop battery won't charge past a certain percentage
- Laptop charging port loose or damaged
- Laptop battery is swollen or bulgingSafety
- Laptop charger or adapter overheating
- Laptop shuts down randomly even though battery shows charge
- Laptop won't wake up from sleep
- Laptop won't go to sleep or wakes up immediately
- Laptop battery not detected or shows 0% with charger plugged in
- Laptop only charges when the cable is held at a certain angle
- Laptop overheats and shuts down under load
- Laptop battery drains even when fully shut down
- Laptop stuck on a charging or battery icon screen and won't boot
- Third-party or replacement laptop charger not working
- USB-C laptop won't charge
- Laptop fan runs loud constantly, especially on battery
- Laptop battery health reported as poor or degraded
- Laptop won't hold a charge overnight even when fully charged
- Laptop dies suddenly at 20–30% battery
- Laptop charging indicator light doesn't turn on
- Laptop takes much longer to charge than it used to
- Laptop battery calibration seems wrong (time estimates way off)
- Laptop hibernate mode not working
- Laptop won't power on after a liquid spill
- Laptop won't turn on with charger plugged in when battery is removed
- MagSafe or magnetic charger not connecting properly
- Laptop shows 'plugged in, charging slowly' or a low-power charger warning
- Laptop battery drains fast while asleep
- Laptop charger cable is frayed or damaged
- Laptop not charging when connected to a docking station
- Trackpad or keyboard lifted or bulging from a swollen batterySafety
- Laptop power button doesn't respond
- Laptop screen stays black but fans are running
- BIOS or system settings show 'no battery detected'
- Laptop won't charge in cold temperatures
- Laptop shows 'charging' but the battery percentage isn't going up
- Using the wrong wattage charger causes slow or no charging
- Laptop battery drains fast with the lid closed
- Laptop won't turn on after a Windows or macOS update
- Battery icon missing from the taskbar or menu bar
- Laptop makes a clicking or popping noise while charging
- Laptop battery is completely dead and won't take a charge at all
- Portable power bank won't charge the laptop
- Laptop shuts down immediately when unplugged even at high battery percentage
- Chromebook won't charge
- Gaming laptop throttles or loses performance when on battery or under load
Laptop keyboard & trackpad 50
- One laptop key stopped working
- Multiple laptop keys not working
- Laptop keys are sticky after a spill
- Entire laptop keyboard is unresponsive
- Laptop cursor moves by itself
- Laptop trackpad is jumpy or erratic
- Laptop trackpad won't click
- Laptop trackpad completely unresponsive
- Laptop trackpad two-finger scrolling not working
- Laptop trackpad right-click not working
- Liquid spilled on laptop keyboard
- Laptop hinge is broken or loose
- Laptop hinge or surrounding plastic is cracked
- Laptop screen won't stay open at the angle you set
- Laptop keyboard backlight not working
- Laptop keycap popped off or is missing
- Laptop number pad not working
- Laptop function keys doing the wrong thing (media keys vs F-keys)
- Laptop trackpad cursor jumps while typing (palm rejection issue)
- External USB keyboard not working with laptop
- External mouse not working with laptop
- Laptop keyboard typing wrong characters
- Laptop Num Lock stuck on or off
- Laptop Caps Lock stuck or light not working
- Laptop trackpad shows as disabled in settings
- Laptop keyboard types letters twice
- Laptop trackpad driver missing after update
- Laptop hinge is stiff or hard to open
- Laptop won't wake up when opening the lid
- Laptop keys feel mushy or spongy after a spill
- Laptop trackpad multi-finger gestures not working
- Bluetooth keyboard or mouse lagging or disconnecting from laptop
- Laptop trackpad stopped working after a Windows or macOS update
- Laptop hinge squeaking when opening or closing
- Laptop screen wobbles due to a loose hinge
- Laptop spacebar not working
- Laptop Shift key stuck or unresponsive
- Laptop keyboard deck flexes or feels loose when typing
- Laptop keyboard unresponsive after being dropped
- Laptop trackpad click feels stiff or doesn't click evenly
- External numeric keypad not recognized by laptop
- Laptop touchscreen not responding to touch
- Laptop stylus or pen not working
- Laptop keyboard shortcuts not working
- Laptop keys sticking from dirt and dust buildup (not a spill)
- Laptop cursor freezes intermittently
- Laptop trackpad scroll direction feels reversed
- Laptop hinge cover or bezel cracked or popped up
- Laptop keyboard layout switched unexpectedly (wrong language)
- Laptop trackpad multi-touch not working after cleaning
Monitors & displays 50
- Monitor says 'No Signal'
- Monitor won't turn on at all
- Monitor screen keeps flickering
- Monitor flickers briefly at startup then works fine
- Dead or stuck pixels on the screen
- How to tell stuck pixels from dead pixels
- Screen resolution looks wrong or blurry
- Text looks blurry or fuzzy on the monitor
- Second monitor not detected by the computer
- HDMI monitor shows no signal
- DisplayPort monitor shows no signal
- HDMI cable causing screen to flicker
- Monitor colors look off or inaccurate
- Screen is too dark and won't brighten
- Can't adjust monitor brightness at all
- Lines appearing on the monitor screen
- Laptop screen has lines running across it
- Laptop screen flickering
- Monitor's high refresh rate option is missing
- Monitor screen is black but the power light is on
- Screen randomly goes black while using the computer
- Monitor shows ghosting or motion blur
- Screen tearing while gaming or watching video
- Monitor has backlight bleed around the edges
- Monitor has clouding or uneven backlight patches
- Monitor makes a buzzing or high-pitched noise
- Monitor won't wake up from sleep mode
- Screen resolution keeps resetting on its own
- Windows looks blurry after changing display scaling
- Image doesn't fill the whole screen (overscan/underscan)
- Color banding visible in gradients on screen
- Monitor screen has a yellow tint
- Monitor has a pink or purple tint
- Monitor not detected in display settings
- Dual monitors with different resolutions look mismatched
- Confused about extend vs duplicate display settings
- USB-C monitor connection shows no video
- Laptop won't output to an external monitor
- Monitor flickers only at low brightness
- Cracked monitor screen showing lines or discoloration
- Screen has permanent burn-in or image retention
- Temporary image retention (ghost image that fades)
- Monitor power light is blinking but no image appears
- Monitor's on-screen menu (OSD) is frozen or unresponsive
- Vertical lines appearing on the screen
- Horizontal lines appearing on the screen
- Screen appears to shimmer or vibrate slightly
- Colors look washed out due to wrong color format setting
- Touchscreen monitor not responding to touch
- Monitor is stuck on the wrong input source
Printers & scanners 50
- Printer shows as 'offline' on the computer
- Printer won't print anything at all
- Printer has a paper jam
- Printer jams repeatedly even after clearing paper
- Prints come out streaky or faded
- Printer prints completely blank pages
- Can't print from a phone or tablet
- Printer not found on the network
- Printer shows an ink cartridge error
- Toner shows 'low' error when cartridge is still full
- Scanner not detected by the computer
- Printer driver problems and errors
- Print jobs stuck in the print queue
- Printer's Wi-Fi keeps disconnecting
- Printer is slow to print
- Printer is printing the wrong colors
- Lines showing up on printed pages
- Double-sided (duplex) printing problems
- Can't scan a document to the computer
- Ink or toner cartridge not recognized
- Printer says out of paper even though the tray is full
- Printer shows 'cover open' error when it's closed
- Printer feeds multiple sheets of paper at once
- Printer won't connect to a new Wi-Fi network
- Printer app can't find the printer
- Printout shows a faint double image or ghosting
- Prints come out smudged or feel wet
- Printer won't print black ink or text
- Printer won't print in color
- Inkjet printer's print head carriage is jammed
- Printer shows an error code or blinking lights
- Printer won't turn on at all
- Printer makes a grinding or straining noise
- Wireless printing is much slower than USB
- USB-connected printer not recognized by computer
- AirPrint isn't working from an iPhone or iPad
- Mac can't find or add the printer
- Printer shows up twice (or more) in the devices list
- Default printer keeps changing on its own
- Scan to email feature isn't working
- Printout is cutting off text or images at the edges
- Printer shows a paper size mismatch error
- Labels aren't feeding or printing correctly
- Photo prints look grainy or low quality
- Toner smears or rubs off on laser printouts
- Inkjet printer has clogged nozzles
- Print head alignment is off (misaligned text or lines)
- Lines appear on scanned documents
- Envelopes keep jamming in the printer
- Fax feature not working on an all-in-one printer
Wi-Fi & routers 50
- Wi-Fi is slow or drops in one room
- Wi-Fi is slow in the whole house
- Router keeps dropping the Wi-Fi connection
- Router restarts or reboots on its own
- A device won't connect to Wi-Fi
- Forgot the Wi-Fi password
- Mesh Wi-Fi system won't set up or nodes won't connect
- A mesh Wi-Fi node shows offline or disconnected
- IP address conflict or DHCP error on the network
- Wi-Fi network name doesn't show up in the list
- Connected to Wi-Fi but no internet access
- Wi-Fi password isn't working even though it's correct
- Confused by two Wi-Fi network names (2.4GHz and 5GHz)
- Guest Wi-Fi network isn't working
- Router admin/settings page won't load
- Wi-Fi keeps disconnecting on phone but not other devices
- Smart TV won't connect to Wi-Fi
- Printer won't connect to Wi-Fi
- Wi-Fi extender/booster isn't working
- Router feels hot or is overheating
- Too many devices are slowing down the Wi-Fi
- Wi-Fi signal is weak through walls
- Neighbor's Wi-Fi is interfering with mine
- Router firmware update fails or causes problems
- How to change the Wi-Fi network name (SSID)
- Wi-Fi security setting (WPA2/WPA3) is blocking a device
- Port forwarding isn't working
- VPN won't connect from home Wi-Fi
- Smart home devices keep dropping off Wi-Fi
- Wi-Fi works on phone but not on laptop
- Router lights are off or showing all red
- Static IP address setup isn't working
- Wi-Fi channel interference is slowing the network
- Router was reset and lost all custom settings
- Not sure whether to use a mesh system or a Wi-Fi extender
- Wi-Fi calling isn't working on the phone
- Parental controls or router restrictions are blocking a device unexpectedly
- Setting up a new router from scratch
- Wi-Fi video doorbell or camera keeps disconnecting
- Gaming console has lag or disconnects on Wi-Fi
- Two networks show the same Wi-Fi name (duplicate SSID)
- Router's MAC filtering is blocking a device
- Old devices won't connect after upgrading to a new router
- Wi-Fi drops or slows down specifically at night
- Multiple routers in the same house are causing problems
- Smart thermostat won't connect to Wi-Fi
- Forgot the router admin password (not the Wi-Fi password)
- Ethernet port on the router isn't working
- Can't connect to a hidden Wi-Fi network
- Router isn't assigning IP addresses (DHCP not working)
Internet & modems 50
- No internet connection at all
- Understanding what the modem's lights mean
- Modem shows a blinking orange or red light
- How to check if there's an internet outage in your area
- Internet speed is much slower than what you're paying for
- DNS server not responding error
- Fiber ONT shows a red light
- Fiber ONT has no lights at all
- Cable modem needs a reset
- Modem-router combo unit isn't working right
- Internet drops randomly throughout the day
- Internet is slow specifically during peak evening hours
- Can't load any websites even though connected to the internet
- Some websites won't load while others work fine
- Ethernet port on a computer or laptop isn't working
- What to do during a confirmed ISP outage
- Modem's online/internet light is off
- PPPoE authentication failed error
- 'Cannot obtain IP address' error
- Windows shows 'limited connectivity' or 'no internet, secured'
- Internet is slow or down after a storm
- Coax cable connection is loose or damaged
- New modem won't activate with the internet provider
- Checking if a modem is compatible with your internet provider
- Internet is throttled or slow after hitting a data cap
- Download speed is fast but upload speed is very slow
- High ping or lag during online gaming
- Internet cuts out or gets worse when it rains
- DSL internet connection keeps dropping
- Satellite internet has high latency or frequent buffering
- Starlink or similar satellite dish system has no internet
- Router shows connected but has no internet access (WAN issue)
- DNS settings changed unexpectedly (possible malware)
- Modem keeps rebooting itself
- What to expect from an ISP technician visit
- Setting up bridge mode isn't working correctly
- IPv6 connectivity problems
- Internet doesn't come back after a power outage
- Multiple devices can't reconnect to the internet after an outage
- Internet is fine generally but slow or choppy during video calls
- A specific app or streaming service won't load even though internet works
- Moving to a new address and internet isn't set up yet
- Internet works on cellular data but not on home Wi-Fi (or vice versa)
- Internet is consistently slow during a specific time window each day
- Modem firmware update seems stuck
- Confusion about modem rental fees vs owning your own modem
- Understanding modem signal levels (power, SNR) from the status page
- ISP says the line tests fine but you're still having issues
- What to check before switching internet providers
- Internet is slow on just one device, not the whole network
Drives & data 50
- External hard drive not recognized
- External drive shows as RAW and won't open
- Hard drive making a clicking noise
- Hard drive or enclosure beeping
- SSD getting slower over time
- Hard drive very slow and laggy
- Accidentally deleted files and need them back
- Emptied the Recycle Bin and need files back
- USB flash drive not detected by computer
- USB drive says please insert disk
- USB drive is write protected
- Disk full or low disk space warning
- Corrupted files won't open
- External drive disconnects randomly
- Drive shows the wrong storage capacity
- SD card not recognized
- SD card asks to be formatted
- Drive shows in Disk Management but not File Explorer
- Need permission to access files on a drive
- External drive overheating
- NAS drive not accessible on the network
- RAID array shows as degraded
- Windows File History backup failing
- Drive letter missing or not showing
- Disk shows as unknown or not initialized
- Slow file transfer speeds to external drive
- External drive keeps spinning down and up
- Formatting a drive is stuck or won't finish
- CHKDSK finds bad sectors
- SMART warning predicts drive failure
- Photos or videos missing after transferring files
- Can't copy files larger than 4GB to a USB drive
- External SSD corrupts files during use
- OneDrive not syncing files
- Cloud storage says full but shouldn't be
- Duplicate files taking up storage space
- Hidden system files using up storage
- Recovering data from a dead drive
- BitLocker-encrypted drive won't unlock
- Drive spins up but isn't recognized
- Drive works on one computer but not another
- USB port not providing enough power for drive
- NVMe drive not detected in BIOS
- Lost a partition on a drive
- Accidentally formatted the wrong drive
- SSD slow because drive is nearly full
- Hard drive click of death
- Flash drive has a broken or bent connector
- Thumbnails show but files won't open
- USB drive won't format
Desktop hardware 50
- PC won't POST, no display at all
- PC beeps on startup instead of booting
- PC fans spin but there's no display
- Graphics card not detected by the PC
- Graphics card causing screen artifacts
- Graphics card fan not spinning
- Graphics card overheating
- No signal from graphics card over HDMI or DisplayPort
- RAM not detected by the computer
- RAM errors causing blue screens
- Mismatched RAM sticks causing instability
- Power supply won't power on the PC
- Power supply fan not spinning
- PC randomly shuts off
- PC restarts under heavy load
- Case fans running loud
- CPU overheating
- CPU fan not spinning
- New PC build won't POST
- New PC build has no RGB lighting
- Motherboard debug LED shows an error code
- Motherboard won't power on at all
- Front panel USB ports not working
- Front panel power button not working
- PC smells like it's burningSafety
- Bulging or leaking capacitors on the motherboard
- CMOS battery is dead
- BIOS not detecting the boot drive
- PC freezes randomly
- Overclocking causing instability or crashes
- CPU needs thermal paste reapplied
- Case fans not spinning
- Water cooling pump not running
- Graphics driver keeps crashing (TDR errors)
- Second monitor not detected
- PCIe card not working in a slot
- M.2 drive disables SATA ports
- Power supply wattage insufficient for new GPU
- PC won't turn off
- Dust buildup causing overheating
- CPU not seated correctly
- Motherboard shorting from incorrect standoffs
- New GPU causes crashes
- Graphics card sagging in the case
- Fan connector PWM vs 3-pin mixup
- Continuous beeping and no POST
- BIOS update failed
- PC won't boot after a BIOS update
- RGB lighting software conflicts
- Internal drive not getting power
Peripherals 50
- Mouse cursor lags or stutters
- Wireless keyboard won't connect or pair
- Webcam not working or not detected
- USB device not recognized
- Docking station not working properly
- Headset microphone not working
- Game controller not detected on PC
- Mouse registers double clicks from one click
- Some keyboard keys not working or sticking
- Laptop trackpad not working or unresponsive
- Wireless printer won't connect to computer
- External monitor via USB-C or dock not detected
- Computer speakers produce no sound
- Bluetooth device won't pair with computer
- External hard drive not showing up
- Second monitor not detected
- Wireless combo: mouse works but keyboard doesn't (or vice versa)
- External keyboard not working with laptop
- Microphone not working in Zoom or Teams
- Printer produces streaky, faded, or smudged prints
- Printer keeps jamming paper
- Scanner not working or not detected
- Webcam image is blurry or poor quality
- Cursor jumps or moves randomly on its own
- Headphones only play sound in one ear
- Microphone picks up echo or feedback on calls
- Stylus or drawing tablet pen not working
- Game controller has stick drift
- HDMI connected but no sound through TV or monitor
- Keyboard types the wrong characters or symbols
- External hard drive or device makes loud or unusual noise
- Mouse scroll wheel not working properly
- Wireless controller has input lag or delay
- Webcam light stays on or turns on unexpectedly
- USB ports on laptop or desktop not working
- Wireless earbuds out of sync or audio delayed
- Printer shows 'offline' status
- Mouse or keyboard stops working after computer wakes from sleep
- Laptop not charging through docking station
- Noticeable delay between typing/clicking and screen response
- Headset connects but computer doesn't recognize it as an audio device
- Mouse or keyboard not working in BIOS or boot menu
- Printer won't print PDF files specifically
- Number pad on keyboard not working
- Printer connected but nothing prints
- Mouse works in some apps but not others
- Laptop or speaker audio crackling or distorted
- Mouse sensitivity feels wrong or inconsistent
- Keyboard backlight won't turn on
- Mouse pointer disappears from screen
Software, browsers & email 50
- Browser running slow
- Pop-ups won't stop appearing
- Web pages won't load
- Email not syncing
- Outlook won't open or keeps crashing
- Microsoft Office won't activate
- Zoom or Teams no audio or video
- PDF won't open
- Computer won't send print jobs
- Browser keeps crashing
- Can't download files
- App won't save files
- Video call has echo or feedback
- Software won't install
- App can't be opened because it is from an unidentified developer
- Windows says you need permission to access a file
- Missing DLL file error when opening a program
- Program says 'Not Responding'
- Can't open a ZIP file
- Windows search not finding files or apps
- Music or streaming app won't play
- Can't uninstall a program
- Browser homepage or search engine keeps changing
- Computer can't find printer on the network
- VPN won't connect
- Computer keeps asking for the same password repeatedly
- Screen sharing not working in a video call
- File Explorer or Finder keeps crashing or freezing
- Copy and paste stopped working
- Browser extension disappeared or stopped working
- Typing lag or delayed keystrokes
- Disk cleanup or storage sense won't run or free space
- Can't sign into Google account on browser or app
- Can't open an email attachment
- Autocorrect keeps changing words incorrectly
- Can hear yourself but not others on a call
- Scanner won't scan to computer
- Windows Update stuck or won't finish
- Can't change the default app for a file type
- Can't access a shared network drive or folder
- Screen recording won't start or save
- Can't open more than one window of an app
- Drag and drop stopped working
- Text or fonts look wrong in browser or documents
- Taskbar or Start menu not responding
- Can't resize or move an app window
- Videos autoplay when you don't want them to
- Camera app won't open on computer
- Streaming video keeps buffering
- Newly installed app won't open
Chromebook & Linux 50
- Chromebook won't turn on
- Chromebook is frozen and won't respond
- How to powerwash (factory reset) a Chromebook
- Chromebook won't connect to Wi-Fi
- Linux apps (Crostini) won't enable on Chromebook
- Ubuntu (Linux) won't boot, black screen after startup
- Package manager errors: broken dependencies (apt/dnf)
- No Wi-Fi option after installing Linux
- Chromebook running slow or lagging
- Chromebook battery draining fast
- Chromebook touchpad not working
- Chromebook keyboard keys not working
- Chromebook screen is black but the device seems on
- Chromebook says storage is full
- Chromebook webcam not working
- Chromebook plugged in but not charging
- Chromebook Google account sync error
- Chromebook won't detect external monitor
- Android app keeps crashing on Chromebook
- Chromebook hinge is loose or broken
- Chromebook shows wrong time or date
- Chromebook can't find or connect to a printer
- Chromebook stuck showing 'OS verification is off' warning
- Linux says disk is full but files were deleted
- Linux screen resolution is wrong or blurry
- No sound on Linux computer
- Bluetooth won't pair on Linux
- Linux terminal says 'command not found'
- Linux won't mount a USB drive
- Linux computer running hot with high CPU usage
- Forgot Linux login password
- Linux doesn't detect an external hard drive
- Can't install apps from the Play Store on Chromebook
- Chromebook speakers have no sound
- Linux update broke NVIDIA graphics driver
- Chromebook screenshot shortcut not working
- Linux computer hangs on shutdown or restart
- Chromebook typing wrong characters (keyboard layout issue)
- Linux system slows down and complains about low memory
- Chromebook charger gets very hot
- Linux says 'permission denied' running or saving a file
- Can't share screen during a video call on Chromebook
- Can't scan a document from Chromebook
- Chromebook cursor jumps around or moves erratically
- A Chrome extension is breaking pages or slowing the browser
- Secure Boot blocks a driver or module from loading on Linux
- Can't log into Chromebook, account error message
- Chromebook app search or launcher not working
- Chromebook won't connect to Bluetooth headphones
- Video calls lag or freeze on Chromebook
Security & accounts 50
- Signs your computer has a virus or malware
- Scam pop-up saying your computer is infected
- Locked out of an online account
- Password manager not syncing or filling passwords
- Lost phone with two-factor authentication codes
- Suspicious login alert from an unfamiliar location or device
- Ransomware warning or files suddenly encrypted
- Webcam light turns on by itself
- Windows security update won't install
- Clicked a link in a phishing email
- Browser homepage or search engine changed without permission
- Unrecognized charge from an app store or subscription
- Suspicious message claiming your account will be deleted or suspended
- Windows Security or Defender keeps turning off
- Email account sending spam without your knowledge
- Signs your identity may have been stolen
- Forgot the master password for a password manager
- Received a call claiming to be tech support about your computer
- Don't know your router's admin password
- Computer running slow after a software update
- Two-factor authentication codes not arriving by text
- Worried your laptop camera has been hacked
- Can't uninstall a suspicious or unfamiliar program
- Received a data breach notification email
- VPN won't connect or keeps disconnecting
- Windows Firewall blocking a program from connecting
- Computer keeps asking for an admin password unexpectedly
- Social media account posting things you didn't post
- Browser warns a website is 'not secure' or has an invalid certificate
- Files show as encrypted or won't open with a lock icon
- Smart home app shows an unfamiliar user or device connected
- Not sure which apps have access to camera and microphone
- Can't remove or turn off remote access software you didn't install
- Pop-up ads appearing constantly even outside the browser
- Account shows you're logged in on a device you don't own
- Computer won't let you change certain settings
- Suspect your credit card info was stolen after an online purchase
- Mac won't open an app, says it's from an unidentified developer
- Firewall log shows many blocked connection attempts
- Not sure if an email is a phishing attempt
- Apple ID or Google account locked for security reasons
- Found an unknown USB drive and unsure if it's safe to plug in
- Computer or browser blocks downloading a file, calls it dangerous
- Forgot the answers to security questions for account recovery
- Child seems to have bypassed parental controls or screen time limits
- Unfamiliar program starts automatically every time computer boots
- Lost the backup codes for two-factor authentication
- Unfamiliar user account appears on your computer
- Antivirus flags a file you're confident is safe
- Concerned about what a browser extension can access