Tech & GPU October 25, 2026
Global Edition

GPU Problems & Fixes: Troubleshooting Guide

GPU troubleshooting is the process of finding and fixing problems with a graphics card, such as fans not spinning, artifacts on screen, high GPU usage, crashes and driver errors. Most GPU problems come from drivers, heat, power or seating, and can be fixed at home in minutes.

What are the most common GPU problems?

The most common GPU problems and their guides:

SymptomLikely causeFix guide
Fans not spinning0 RPM mode, power, fan faultGPU fans not spinning
Dots, lines, glitchesOverclock, heat, VRAMGPU artifacting
GPU usage at 100%Normal in games, background apps at idleHigh GPU usage
Game crashes, driver resetDrivers, overclock, powerError occurred on GPUID 100
Black screen, frozen displayDriver hangHow to reset your graphics card
GPU not detected, no displayPoor slot contactHow to reseat a GPU

What should you try first when a GPU has problems?

You should try 3 things first when a GPU has problems:

  1. Restart the graphics driver with Windows + Ctrl + Shift + B; see how to reset your graphics card.
  2. Update or clean-install the driver; see how to update GPU drivers.
  3. Check temperatures; see how to check GPU temp.

How do you know if your GPU is failing?

You know your GPU is failing when artifacts appear at boot, crashes continue after a clean driver install at stock clocks, or a stress test fails. Run the 7 tests in how to check GPU health.

Can heat cause GPU problems?

Yes. Heat causes throttling, crashes and artifacts. Read the GPU temperature guide and how hot is too hot for a GPU.

All GPU troubleshooting guides

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