How can I determine if my GPU is not working?

If you’re a gamer or use your computer for graphic-intensive applications, then your GPU (Graphics Processing Unit) is an essential component of your computer. A malfunctioning GPU can cause severe problems, including system crashes, overheating, and even hardware failure. So, how can you tell if your GPU is not working correctly? In this article, we will discuss the signs of a failing GPU, what causes it, and how you can troubleshoot the problem.

What are the Signs of a Failing GPU?

Several signs can indicate that your GPU is not working correctly. Some of the most common signs include:

  1. Poor Performance: If your computer is not performing as well as it used to, then it may be due to a failing GPU. You may experience lag or stuttering while playing games or running graphic-intensive applications.
  2. Artifacts: If you notice any strange lines, dots, or colors on your screen, then it could be a sign of a failing GPU. These anomalies are called artifacts and can appear anywhere on your screen.
  3. Overheating: A failing GPU can overheat, causing your computer to shut down unexpectedly. If you notice your computer getting too hot or hear the fan running at full speed, it could be due to a failing GPU.
  4. System Crashes: If your computer crashes frequently, it could be due to a failing GPU. The crashes may occur while playing games or running graphic-intensive applications.
  5. No Display: If your computer turns on, but there’s no display, it could be due to a failing GPU. You may hear the fan running, but there’s no image on the screen.

What Causes a Failing GPU?

Several factors can cause a failing GPU, including:

  1. Overheating: Overheating is one of the most common causes of a failing GPU. When your GPU overheats, it can cause the soldered connections on the GPU to break, resulting in a malfunctioning GPU.
  2. Power Surges: Power surges can damage your GPU, resulting in a failing GPU. A sudden increase in voltage can cause a short circuit, damaging your GPU.
  3. Dust and Dirt: Dust and dirt can accumulate on your GPU’s cooling system, causing it to overheat and fail.
  4. Aging: Like any other component, your GPU can wear out over time. After several years of use, your GPU may begin to fail.

How to Troubleshoot a Failing GPU?

If you suspect that your GPU is not working correctly, here are some troubleshooting steps you can take:

  1. Update Drivers: Outdated drivers can cause your GPU to malfunction. Update your GPU drivers to the latest version to ensure optimal performance.
  2. Check for Overheating: Check your GPU’s temperature using monitoring software. If your GPU is overheating, clean the cooling system, replace the thermal paste, or install additional fans.
  3. Check for Power Issues: Ensure that your GPU is receiving enough power. Check the power cables and ensure that they’re correctly connected.
  4. Test Your GPU: Use diagnostic software to test your GPU for any errors or malfunctions.
  5. Replace Your GPU: If all else fails, you may need to replace your GPU. Consult a professional or do research to find the best GPU for your needs.


  1. Can a faulty GPU cause a black screen?

Yes, a faulty GPU can cause a black screen. If your computer turns on, but there’s no display, it could be due to a