X399 Professional Gaming F11 Boot Menu crash

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   After ASROCK Logo, when I press F11 enter Boot menu, but it is corrupted (extend screen from left to right)Tried update BIOS to 2.0 with no help. 
Everything else works fine (Windows, Fan Speed etc...)
Please help me, thank you in advance.

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Strifing_Crow Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 11 Nov 2017 Status: Offline Points: 15	Post Options Post Reply Quote Strifing_Crow Report Post Thanks(0) Quote Reply Topic: X399 Professional Gaming F11 Boot Menu crash Posted: 26 Jan 2018 at 2:28pm
	After ASROCK Logo, when I press F11 enter Boot menu, but it is corrupted (extend screen from left to right) Tried update BIOS to 2.0 with no help. Everything else works fine (Windows, Fan Speed etc...) Please help me, thank you in advance.

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8727	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 26 Jan 2018 at 4:42pm
	Dear Strifing_Crow, Greetings, this is ASRock TSD. We test on X399 Professional Gaming with BIOS P2.00. When pressing [F11] enter to boot menu, the screen displays properly. Thus, we provide some suggestions for verifying: 1. Please refer to the user manual to clear CMOS. (page 29) http://asrock.pc.cdn.bitgravity.com/Manual/Fatal1ty%20X399%20Professional%20Gaming.pdf 2. Please only install CPU, one stick RAM and VGA to verify. Just use simplest system configuration to check if the symptom still remains. If not, please install other devices back one by one to check. 3. Please refer to user manual page 30 to re-flash BIOS P2.00 by [Flashback] button. http://asrock.pc.cdn.bitgravity.com/Manual/Fatal1ty%20X399%20Professional%20Gaming.pdf Thanks! All the best, ASRock TSD

andre117 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 14 Dec 2016 Status: Offline Points: 20	Post Options Post Reply Quote andre117 Report Post Thanks(0) Quote Reply Posted: 21 Jun 2018 at 10:15pm
	It is probable not an UEFI Bios bug. There might be an orphaned UEFI boot entry in your system that points to a location where it no longer exists. Try this tool: https://www.easyuefi.com/faq/en-US/Delete-UEFI-Boot-Entries.html Check for orphaned entries and remove them (if you are still able too boot windows). The same thing can be done under linux. See efibootmgr here.