Question Monitor only gets signal after full reboot! How can I fix??

[MrChevyFPS]

Hi folks, just built my first PC and it’s been working fine for a few weeks. A couple of days ago I installed an AIO, and everything is going fantastic, except one thing. For some reason after that install, the monitor will never get a signal after coming out of sleep, it will never get a signal after restarting, it will even never get a signal when you select shut down in the windows menu and then turn the computer back on. The only time the monitor can get a signal is if I shut the computer fully down, turn off and unplug the power supply, then plug it back in, switch it back on, and turn on the computer. in all my testing, this is the only thing that works. I have tried different cables and get the same result. Does anybody have any clue what’s going on here? Help! Thank you in advance!

 

[Lutfij]

When posting a thread of troubleshooting nature, it's customary to include your full system's specs. Please list the specs to your build like so:
CPU:
CPU cooler:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:
Monitor:
include the age of the PSU apart from it's make and model. BIOS version for your motherboard at this moment of time?

 

[MrChevyFPS]

Yes!

CPU: Intel i5-13400
CPU cooler: Kraken 240 AIO
Motherboard: ASROCK Extreme Wifi 690
Ram: Skill DDR4 16g x 2
SSD/HDD: Samsung 970 EVO 2TB
GPU: Gigabyte RTX 4070
PSU: Powerrspec 850W
Chassis: Montech
OS: Windows 11
Monitor: LG Ultrawide

 

[asivarbata]

Hey friend, have you had any success with your issue? I have the exact same situation and it's been absolutely driving me up the wall.