Graphical Glitches after waking from Sleep. (Not using Nvidia)

[tbg]

Welcome to the Garuda forum @BarbecueCowboy.

Update your BIOS and test alternate kernels.

See:

Troubleshooting System Stutter, Lags, Freezes, and Hangs

Primary Diagnostic Steps. Testing Alternate Kernels: Changing kernels is one of the easiest diagnostic steps you can perform and it resolves far more issues than you’d ever expect. Whenever you start to experience unusual issues with your system, the first thing you should do is test at least three alternate kernels. For those experiencing severe system freezes/crashes testing out alternate kernels should always be your first step. Check your logs for any instances of kernel panic, as thi…

Try using an X11 session rather than Wayland.

See:

Troubleshooting System Stutter, Lags, Freezes, and Hangs

X11 vs Wayland ? I have recently noticed a trend that I thought I’d better add to my list of causes for poor system performance/instability. As the usage of Wayland becomes more commonplace, so unfortunately have reports of many problems related to Wayland. Wayland has made great strides and will likely become the default display server on most Linux machines in the near future. Sadly though, even as we approach 2024 Wayland is still having its fair share of teething pains. Although much improv…

Try restarting kwin if the same issue occurs after suspending your session under X11.

Test alternate power state settings in your bios.

Does the same issue occur if only using 1 or 2 monitors instead of all 3.

Test alternate cables, if using HDMI try VGA, DVI, or display port cables.