B450 Pro4 UEFI does not boot
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=15184
Printed Date: 18 Jul 2025 at 10:28am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450 Pro4 UEFI does not boot
Posted By: Koikun
Subject: B450 Pro4 UEFI does not boot
Date Posted: 14 Aug 2020 at 10:58am
Dear, I face a problem now, I cannot enter to UEFI setup using f2/del keys just black screen.
But if I do not press any key and it will boot into win10 and working perfectly.
Is there any method that I can boot into UEFI again?
BR
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Replies:
Posted By: ThreeDee
Date Posted: 14 Aug 2020 at 12:42pm
did you enable ultra fast start up in BIOS? .. or change monitors recently?
you can try the "restart into UEFI" program
https://www.asrock.com/mb/amd/b450%20pro4/index.asp#Download
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|Ryzen 5 5900|ASRock X570 Taichi-BIOS 4.60|2x16GB HyperX Predator RGB 3200@3600 1:1 IF|ASRock RX 6700XT|2 x PCIe 4.0 M.2 Drives for OS & Games|850 WTT Seasonic 80+ Titanium PSU|Noctua NH-D15|
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Posted By: ASRock_TSD
Date Posted: 14 Aug 2020 at 1:50pm
Dear Koikun,
Greetings, this is ASRock TSD.
Regarding your question, kindly verify the suggestions below:
1. Please install Restart to UEFI ver:1.0.6 utility under Windows environment.
2. Please remove the OS disk from your system.
3. Please refer to user manual page 26 from the link below to clear CMOS.
https://download.asrock.com/Manual/B450%20Pro4.pdf
Thanks!
All the best,
ASRock TSD
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Posted By: Koikun
Date Posted: 14 Aug 2020 at 2:03pm
I follow user manual to clear CMOS and now i can enter to UEFI.
Not sure if there is any setting is changed. So i will use default setting instead. Great!
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