Question Video output issue on new build ?

Dec 10, 2023
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I see a few post about Video output issues after a new build, but all seem somehow different, so here i go.
I built a new PC with the below components:
  • CPU: AMD Ryzen 7 7800x3x
  • Cooler: Fractal Design Celsius+ S24
  • GPU: Gainward RTX4080 Phantom
  • MB: MSI MAG B650 TOMAHAWK WIFI
  • SSD: Samsung 990 PRO 2TB
  • RAM: Corsair DDR5-6400MHz VENGEANCE RGB
  • PSU: Corsair RM1000x
  • SATA: 2 x 2TB Samsung 960 EVO
  • Case Fractal Design North
The current status is:
When i cold boot the PC, i see no output on my monitor (most of the time, will explain later). I remote connect to the PC with my iPad, log in to windows (automatically when remote connecting), restart the PC from windows menu, and it works. All windows install or app installs requiring a restart work without issue.
The HDMI Cable is connected to the GPU but behavior is same with mother board.
When the PC is on, i have 0 issue, been using it and playing games all day today (the build was yesterday)

I cannot remember when i started to have issues after the build, i believe it was after the windows install as i turned it off to close the case.

Until i figured out the remote connect trick, i reset the BIOS (because to try to solve the issue, i had tried disabling the iGPU), updated it and did many force reboot, changing cable from MB to GPU, and sometimes, it works.

I have checked all connections and believe everything is fully connected, so i am at a loss what else i could try.

Does anyone have any idea?
 
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