Win 10 x64, RTX 3090 Freezes & restarts when display switching to CG437K Monitor

wesruv

It's hard to say what happens because the CG437 screen never shows an image, but at least one time I got a blue screen of death on my secondary monitor, and the error code (which I've lost I think it was something like watchdog.. watch something ... violation?) but the google search of the error code led me to think it was a driver issue.

I uninstalled all of my GeForce drivers and software, reinstalled, uninstalled the CG437K monitor driver, and reinstalled.

The process that causes this is:

• Working just from my secondary monitor during the work day, CG437K is set to my laptop
• After I turn off my laptop, switching my desktop to use both monitors, using extend
• Secondary monitor goes dark, CG437K goes dark, computer doesn't accept input or emit any noises (I suspect there's a BSOD trying to display on the CG437K monitor but it's not visible)
• Bring up display switching controls, monitor says no input signal

My desktop computer is using 2 Display port cables plugged into the CG437K, and it's set to 4K-144Hz mode. My work laptop uses the an HDMI port.

Any ideas or help would be greatly appreciated!

wesruv

Forgot to mention this is happening ~75% of the time. On fresh boot (usually after a crash) or at the end of my work day when I switch to my desktop PC.