x370 Taichi 4.6 Bios boots but black scree no bios
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=8225
Printed Date: 24 Jun 2024 at 3:06am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: x370 Taichi 4.6 Bios boots but black scree no bios
Posted By: danivsainz
Subject: x370 Taichi 4.6 Bios boots but black scree no bios
Date Posted: 29 Mar 2018 at 1:25pm
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I just upgraded my asrock x370 Taichi motherboard to 4.6 bios.Although i can get into windows i have the weird issue of no video output until windows is loaded so i cant get into the bios to modify stuff. Im wondering if anyone has any ideas, ive tried plugging my screens into a bunch of ports to no avail aswell as clearing the cmos. Any help would be appreciated
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Replies:
Posted By: ssateneth
Date Posted: 29 Mar 2018 at 2:43pm
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" rel="nofollow - What model is your video card? Sounds like an old video card without a GOP driver in its BIOS. Try a newer video card. There's also a setting to enable CSM and force legacy video output among other legacy settings, but obviously you need to get in the bios for that ------------- MB: X399 Taichi, UEFI L3.32 VGA: EVGA 1080 Ti FTW3 PSU: Seasonic PRIME 1300 W PLATINUM CPU: AMD Ryzen Threadripper 2950X MEM: 4x16GB, 3600MHz G.Skill Trident Z F4-3600C17Q-64GTZKW |
Posted By: Xaltar
Date Posted: 29 Mar 2018 at 4:57pm
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What ssateneth said, you will need to use a GoP capable GPU to go into the UEFI and enable CSM legacy support for the GPU. Once you have done that you can go back to your original GPU and all should be well. ------------- 
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Posted By: danivsainz
Date Posted: 29 Mar 2018 at 5:02pm
| Im using a 1080ti.Before the bios upgrade it always worked fine so im not sure whats going on |
Posted By: Xaltar
Date Posted: 29 Mar 2018 at 5:12pm
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" rel="nofollow - That is very odd, what make and model is the GPU? If you soft restart (from OS) can you get the UEFI to pull up then? I have had the UEFI not display on my GTX 960 but all I needed to do was switch display outputs to get it back. Have you tried all your display output options? It would be very helpful if we could get you into the UEFI somehow so we can get a look at your CSM settings. The 1080ti should have the latest GoP implementation so something else is going on here. -------------
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Posted By: danivsainz
Date Posted: 29 Mar 2018 at 5:21pm
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I have a two 1080ti's a Asus Rog strix and a Gigabyte something. I just tried having hdmi's / dvis connected to both just incase and nothing.
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Posted By: Xaltar
Date Posted: 29 Mar 2018 at 5:30pm
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" rel="nofollow - And restarting from within the OS then trying to enter the UEFI? If you could provide your full system specs too, that would be helpful. -------------
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Posted By: danivsainz
Date Posted: 29 Mar 2018 at 5:57pm
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" rel="nofollow - I did try what you recommended as well as using the Asrock boot to uefi tool but none worked. The summary i was getting from HWinfo was pretty big and the forums didnt allow me to post it. I've uploaded to google drive for viewing. https://drive.google.com/file/d/1vzk79CMks9IelOp-oEw6uhr9kW59V8cN/view?usp=sharing
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Posted By: danivsainz
Date Posted: 29 Mar 2018 at 6:03pm
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Also, i was able to enter the bios just with a black screen
Also i've upgraded the bios throughout the year and never had this issue before only on this version at 4.6 Even the 2.x -> 3.3 bios upgrade before going to 4.6 was fine
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Posted By: Erasmus_Tycho
Date Posted: 30 Mar 2018 at 12:54am
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" rel="nofollow - Did you upgrade to 4.4 before upgrading to 4.6? ------------- ASRock x370 Taichi V4.4| Ryzen 1800x | 16GB x 2 DDR4 3200 (14cas) | GTX 1080 Ti K|NGP|N | WD NVMe Black 512GB | 2 x 500GB Samsung EVO 960 | Corsair HX1000 | EK Custom Loop (360mm rad + 280mm rad) |
Posted By: danivsainz
Date Posted: 31 Mar 2018 at 4:45am
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I didnt upgrade to 4.4 first because it didnt specify. However i fixed the issue.The pc has 5 gpu's for software developement/crypto currency mining when they arent in use.Apparently the way the bios works is i just chooses one video card at random so when i was trying the display ports from my two 1080ti's up front it didnt work. I disconnected the three gpu's i couldnt connect hdmi's to and finally it picked up one of my other two video cards.It seems it saves the cards as primary because now with the other three cards back in i still have video display from my primary cardwhile booting.
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