Symptoms
- Screen stays black after opening the lid or pressing a key
- Power light is on but nothing appears on screen
- Fan spins but nothing happens on screen
- Laptop is warm as if it never actually slept
Likely causes
- CommonDriver conflict, especially graphics drivers, preventing wake-upOutdated or buggy GPU drivers are a frequent cause of failed wake from sleep.
- CommonFast Startup or hybrid sleep setting causing a corrupted sleep stateWindows' Fast Startup can sometimes interfere with a clean wake.
- PossibleUSB device or peripheral conflictA connected mouse, dock, or webcam can occasionally block wake-up.
- PossiblePending Windows or macOS update stuck mid-processAn update installing in the background can look like a frozen wake.
- Less commonFailing RAM or a hardware faultMore likely if the problem is frequent and other troubleshooting doesn't help.
What to do
- Hold the power button for 10–15 seconds to force a shutdown, then power back on normally.
- Unplug external devices (mouse, USB drives, docking station) and try waking it again.
- Update graphics and chipset drivers to the latest version from the manufacturer's site.
- On Windows, turn off Fast Startup in Power Options and test again.
- Check for and install any pending OS updates, since the laptop may have been mid-update.
- If it happens repeatedly, try switching from sleep to hibernate mode as a more reliable alternative.
Tools and parts
- None required
When to call a pro
If forced restarts become a regular routine and driver/setting changes don't help, have a technician check for a RAM or motherboard issue.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.