Questions about GIGABYTE products > Motherboards with Intel processors

Aorus Z390 Pro, unable to access BIOS

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vulcan:

--- Quote from: shadowsports on September 25, 2021, 04:48:05 pm ---

Greetings,
Fast Boot and Ultra Fast Boot are set in BIOS.  This is a Gigabyte motherboard feature setting, not "Fast Start Up" which is a windows settings.  You can also set Fast and Ultra Fast Boot in Gigabyte Utilities if installed. 

Obviously you have something else keeping you from entering BIOS.  Both of the suggestions provided could work.

Please post a picture of this "Dos type" box you see during start up?  This doesn't sound normal.

--- End quote ---

Attached is a screenshot of the DOS type prompt. The only way I could capture this is from a video because the prompt is only visible for about a second

My RX6800XT is driving a 1080p monitor, a Reverb G1 headset and a 32" TV. These dispalys have been connected for ages and have never caused any issues. There have been no hardware changes between the system working normally and this current issue.
On-board video is disabled in the BIOS, in fact my understanding is the i9-9900k does not support on-board graphics.

shadowsports:
Greetings,
Thank you, helpful.

The text is not actually a utility or prompt..   this is the normal BIOS information that displays when the >Display Full Screen Logo option is set to [Disabled].  Completely normal.

What happens if you temporarily disconnect the Reverb VR (I have one also  ;)) and the 32"TV? 

You can try the <DEL> key option or the Avanced start up as mentioned above.

If this doesn't work, I'd use the CLR_CMOS jumper.  A BIOS reset is not a big deal.  It won't take you more than 5 min to re-setup your custom settings.  Let us know how it goes.     

vulcan:
I reset the CMOS and al is back to normal.

I now realise what I had changed. I had enabled Above 4G decoding to take advantage of AMD's SAM and that's what caused my problems. Needless to say i have left it disabled now.

Thanks for all the helpful replies

shadowsports:
Good Work!  Glad we could help.

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