Question about "Boot to Bios shows on wrong display/tv"

May 11, 2023
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Hello!
First post...

My setup
Win10 (x64)
Motherboard ASUS P8P67Deluxe (latest available BIOS) (BIOS set to PCI/PCIE/ AUTO)
ASUS Nvidia Geforce GTX 960 (NVIDIA_DisplayPort_Firmware_Updater_1.0-x64)
PC 2 Displays (Displayport) - TV (HDMI)
At boot, BIOS starts on TV if TV HDMI cable is connected, if HDMI cable is unplugged, boot BIOS starts correctly at Display 1.
Tried every possible settings in Windows, in Nvidia Controlpanel, but no cigar...
Searched, googled high & low, but no luck, seems that a lot of users have the same issues.
Now reaching out here in hope of a solution.

Thanks and best regards,
mr. hagen
 
May 11, 2023
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More info.
The reason I asked about this issue is that I had 2 Dell monitors, both had DVI connectors, never got the Displayport connectors and start Bios working correctly, when 1 monitor was connected using DVI boot Bios was OK.
Then 1 monitor died, (prob. the power supply), got 2 new Dell monitors without DVI, hence using the displayport connectors and, the "new" issue.
 
May 11, 2023
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Thank you! That's what I thought... Is this a Nvidia thing then?
Edit. Will try adding a HDMI switch (on/off) so I won't have to unplug the HDMI cabel when booting to BIOS.
Does this firmware issue apply to newer Nvidia GPUs as well? AMD Radeon?
 
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At boot, BIOS starts on TV if TV HDMI cable is connected, if HDMI cable is unplugged, boot BIOS starts correctly at Display 1.
Thhis is perfectly normal and you can't do anything about it. It is 100% under GPU control on which monitor it shows BIOS. If the priority for given model is HDMI first then it will show BIOS on monitor connected to HDMI, unless there is nothing connected there then it picks next output. From what you wrote I assume your GPU has order set to DVI>HDMI>DP. You can't change that.
 
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May 11, 2023
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Why it even troubles you?
Beacuse if TV (HDMI) is connected to GPU BIOS starts on... TV!
Qoute from rgd1101 "the port priority on the cards is set by firmware".

Picture this: Using BIOS to start a clone image app from USB stick, make clone/restore clone when needed, safe, exact, 5-10 min. Easy Peasy.

Do you think adding a HDMI switch (on/off) will work so I won't have to unplug the HDMI cabel from GPU when need booting to BIOS.
 
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you should be able to change display output order within mainboard firmware
it is configurable when mainboard firmware is set to UEFI mode (CSM disabled)
UEFI then loads internal GOP driver, which is configurable

heres how it looks like in mine UEFI bios:
View: https://i.imgur.com/6pkgJkj.jpg

View: https://i.imgur.com/l91N4Y3.jpg


asus should have this feature aswell, check your advanced settings:
Screenshot_64.png.201e0441b2b99e5e1ec60837d2d39ce2.png

can be also under advanced\windows 8 configuration options

edit: for some weird reason forum fails to load images with IMG bbcodes, but MEDIA bbcodes works
 
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May 11, 2023
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@DRagor
I should mention this, if TV (HDMI) is shut down by remote, booting into BIOS will go there still, so somehow I need to "stop" connection (HDMI) from "talking" to TV (HDMI), switch might work (on/off) or HDMI to DisplayPort adapter, to unplug TV power is not an option as I can't get in there, have to tear down the cable solution, OPPO Blu-ray player, Home Cinema audio setup, TV-HUB... etc... etc... trial and error, 2 of my best friends will come handy...
 
I should mention this, if TV (HDMI) is shut down by remote, booting into BIOS will go there still, so somehow I need to "stop" connection (HDMI) from "talking" to TV (HDMI)
That's correct, because when shut down by remote TV is still "on" (at least as far as PC sees it). You would need it to be truly off, hence unplugging power, but well if that's hard to do then you need some other option.
you should be able to change display output order within mainboard firmware
Doesn't that apply only to motherboard GPU outputs though? Plus definitely not every mobo has such option.
 
That's correct, because when shut down by remote TV is still "on" (at least as far as PC sees it). You would need it to be truly off, hence unplugging power, but well if that's hard to do then you need some other option.

Doesn't that apply only to motherboard GPU outputs though? Plus definitely not every mobo has such option.
nope, external GPU in UEFI mode (GOP) is configurable, already tested on both radeon and geforce