B450 Pro4 UEFI does not boot

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   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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Koikun Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Nov 2017 Status: Offline Points: 16	Post Options Post Reply Quote Koikun Report Post Thanks(0) Quote Reply Topic: B450 Pro4 UEFI does not boot 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

ThreeDee Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 24 Jul 2019 Location: Billings,MT Status: Offline Points: 2396	Post Options Post Reply Quote ThreeDee Report Post Thanks(0) Quote Reply 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
	\|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\|

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8532	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply 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

Koikun Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Nov 2017 Status: Offline Points: 16	Post Options Post Reply Quote Koikun Report Post Thanks(0) Quote Reply 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!