No signal on first two restarts but always works on the third

"There could be a number of possible causes. What are your specifications? Mainboard, CPU, power supply, etc.

1.) It could be a driver issue. Have you tried booting up in Safe Mode?

Here are 8 ways:

https://www.digitalcitizen.life/4-ways-b...

2.) Does the problem happen if you do a soft shutdown from Windows the day before and then start up the next day with a mouse or keyboard click (setting in BIOS/UEFI).

3.) Another thing to try is to boot into the BIOS/UEFI screen from a cold start at the start of your day. Does it work? Stay there for about 10 minutes and then do a regular boot-up.

4.) Could be a power supply issue - defective capacitior taking a long time to “charge-up”. Have you got a known good one you could swop out with yours?

5.) Take out 3060TI gpu and try anorther one and see if it boots normall. If no spare GPU - just watch drive activity light and estimate normal boot-up time.

That’s enough to try for now. Troubleshooting is a process of elimination as I am sure you understand.

I usually keep notes to keep track of things - what I tried and the time sequence of the actions."