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#21
It happens with G-sync turned off.
So ... it seems we have another case if "windows update broke my system".
Possibly? Although these were two different patches.
Do you have any restore points that you can revert back to?
Also have you tried installing a 2nd os and booting into it? Because if you're correct about it being an insider patch issue, then maybe reverting to a normal build would fix the issue.
As a diagnostic in my toolkit I use a Bootable Linux LiveDVD or LiveUSB to verify if the problems seen are software or hardware. If the issue is software things can be put back to their default or a fully clean reinstall, if hardware it has to be repaired or replaced. My "gut feeling" in this case is the motherboard and PCIe X16 is the issue and neither are usually repairable, need a new motherboard. I know there's always expense involved but there comes a time where things have to be changed. If there's data that needs saving, that exists nowhere else, that Linux process can be used to copy off onto an external drive.
If that's the case then I have had 2 out of 3 motherboards in the past decade fail on me in some way. Really annoying.
Is there anything I can try besides a Linux LiveDVD to fix this problem with flickering on startup?
I have seen/known some folks destroy motherboards simply by not paying attention. Before changing an Add-in card or Memory modules it is important to turn off the computer, remove power cord, press the On|Off switch to drain any residual power from the motherboard before making the change. It's because as long as the computer is plugged in there will be power to the motherboard, the switch on the front only tells the motherboard to start doing things. It doesn't take much stray electricity to damage parts, can even do it with static electricity that may not be felt. My wife killed a motherboard by simply walking across the carpeted room and picking up the mouse to wake the computer, now have anti-static pads on the desks for a touch-first use.
Only in the old AT-style motherboards/computers did the On|Off switch actually turn off the power supply, that changed with the ATX-style boards.