PRO B550M-VC Wifi + AMD Radeon RX 6750XT + Displayport = No signal until Windows login Screen

J

jordan.m.gelle158802db

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Jun 6, 2023
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Their is no signal through displayport until Windows loads.I cannot see the Bios Splash screen nor boot into Bios.

I can only run the compuer on Legacy mode with CSM enabled. I will not be able to run WIndows 11, UEFI or Secureboot.
Using an older video card with DVI or HDMI I can see the Bios fine and run UEFI.
 
plutomate

plutomate

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Jul 30, 2015
Messages
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Hmm, look like you're able to set up everything for win11 with older graphics card?
If you were using a nvidia card, i definitely ask you to do the DP firmware update but guess it's not the case :(
Could really just be some sort of compatibility problem with your card, VBIOS or even monitor, not necessarily to be motherboard problem.
If I were you, i'll just get everything done with HDMI/DVI, install the 6750XT back and call it the day.

By the way, can you tell your exact card model including the brand name?
 
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