I recently upgraded to an RX 6600 graphics card, but I'm running into a problem when attempting to install the driver. Whenever I start the installation, my screen either doesn't display anything or it flickers constantly. I've noticed that when the display does come back, it's very sluggish, like dragging a wet bag of sand while trying to move my cursor. The memory clock is sitting at 0 when idle. I'm also using an older monitor with a VGA port connected via a Display Port adapter, and while it should support 1080p, I'm worried it's causing issues. After running DDU multiple times to clean previous drivers, I can get into Windows temporarily without any drivers, but as soon as I try to install the AMD display driver, the screen goes black during the process and then continues to flicker after rebooting. I've attempted low resolution boot options but that hasn't helped either. Any ideas on how I can solve this problem?
3 Answers
Another thing to consider is the display resolution. If the driver installation changes the resolution to something your monitor can’t handle, it can cause flickering issues. You might try using the advanced boot options to see if you can start in low-resolution mode and adjust resolution settings before installing the driver. Sometimes that resets the compatibility.
It sounds like your monitor might be causing some issues, especially if it’s an older model. You mentioned connecting it with a Display Port adapter, which could be part of the problem. Have you thought about checking the GPU on a different operating system, like Windows 10 or a Linux distro? I’ve heard there can be compatibility problems with some graphics cards and Windows 11, although mostly this has been with Nvidia cards. It may help me narrow down the issue.
First off, have you tried using DDU in safe mode to completely remove the old drivers? That usually helps clear out anything lingering. Also, confirm that your graphics card is functioning properly; if possible, boot from a Linux live stick and run a stress test with something like Furmark to see if the GPU behaves correctly there. That could help narrow down whether it's a driver issue or a hardware problem.
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