How to Fix a GPU That Isn't Displaying the Correct Resolution or Refresh Rate

If your GPU isn't displaying the correct resolution or refresh rate, there are a few things you can do to try to fix the problem.

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1. Check your cables. Make sure that your GPU is properly connected to your monitor with a high-quality HDMI or DisplayPort cable. If you're using an older VGA cable, try replacing it with a newer digital cable.
2. Update your GPU drivers. Outdated GPU drivers can sometimes cause problems with resolution and refresh rates. Make sure to download and install the latest drivers from your GPU manufacturer's website.
3. Change your resolution and refresh rate in Windows. To do this, right-click on your desktop and select Display Settings. Then, click on Advanced Display Settings and select your GPU from the drop-down menu. Under Resolution, select the desired resolution and refresh rate.
4. Change your resolution and refresh rate in your game or application. Some games and applications have their own settings for resolution and refresh rate. Check the game's or application's settings menu to see if you can change these settings.
5. Try a different monitor. If you've tried all of the above and your GPU is still not displaying the correct resolution or refresh rate, try connecting your GPU to a different monitor. If the problem persists, it's possible that your GPU is defective and needs to be replaced.

Here are some additional tips:

• If you're using a laptop, make sure that your external monitor is set as the primary display.
• If you're using a custom resolution, make sure that your GPU supports it.
• If you're overclocking your GPU, try reducing the overclock to see if that fixes the problem.
• If you're still having problems, try searching for help online or contacting your GPU manufacturer's customer support.

Troubleshooting tips

If you're still having problems, here are some troubleshooting tips:

• Try restarting your computer.
• Try booting into Safe Mode.
• Try uninstalling and reinstalling your GPU drivers.
• Try updating your BIOS.
• Try running a diagnostic tool to check for hardware problems.

If you've tried all of the above and you're still having problems, it's possible that your GPU is defective and needs to be replaced.

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