Symptoms
- Performance issues that started after a Windows update
- Device Manager shows a yellow warning icon next to a device
- Graphics, sound, or network performance feels off compared to before
- Random slowdowns tied to using a specific piece of hardware
Likely causes
- CommonGraphics driver out of dateThis affects everything from desktop responsiveness to gaming performance.
- CommonStorage controller (chipset/NVMe) driver outdatedThis can slow disk read/write speeds significantly.
- PossibleNetwork adapter driver outdated or corruptedThis can cause both slow internet and general system lag from retries.
- PossibleA driver conflict after a recent Windows feature updateNew OS versions sometimes need updated drivers to work well together.
- PossibleA corrupted driver installationInterrupted updates or installs can leave a driver partially broken.
What to do
- Open Device Manager (right-click Start button) and look for any yellow warning triangles.
- Right-click any flagged device and choose Update driver, selecting 'Search automatically.'
- For graphics cards specifically, download the latest driver directly from NVIDIA, AMD, or Intel's website rather than relying only on Device Manager.
- Update chipset and storage controller drivers from your PC or motherboard manufacturer's support page.
- Update network adapter drivers the same way if internet or network performance seems affected.
- Restart the PC after each driver update to ensure it takes full effect.
- If a specific driver update causes new problems, use Device Manager's 'Roll Back Driver' option to revert.
- Check Windows Update's optional updates section periodically, since some driver updates appear there separately.
Tools and parts
- None required
When to call a pro
If Device Manager shows persistent errors after updating drivers, a technician can determine whether the underlying hardware is failing.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.