X370 gaming K4 bios weird f11 screen

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   Hello,
I have artifacts on BIOS boot select screen (F11), like extend pictures
I updated BIOS, clear CMOS and it still the same.
I think it is a problem and want to fix it. 
Should I send to RMA or other ways can help me?

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Ragna-Gauche 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 Ragna-Gauche Report Post Thanks(0) Quote Reply Topic: X370 gaming K4 bios weird f11 screen Posted: 04 May 2018 at 3:36pm
	Hello, I have artifacts on BIOS boot select screen (F11), like extend pictures I updated BIOS, clear CMOS and it still the same. I think it is a problem and want to fix it. Should I send to RMA or other ways can help me?

ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8937	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 04 May 2018 at 3:59pm
	Dear Ragna-Gauche, Greetings, this is ASRock TSD. We have tested the board in our lab, the screen is working normally. There are some suggestions for verifying: 1. Please do not connect any USB devices and then check again. 2. Please connect another output display to verify. 3. If possible, please change another cable to verify. Thanks! All the best, ASRock TSD

cristy6100 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 15 Mar 2018 Location: Romania Status: Offline Points: 269	Post Options Post Reply Quote cristy6100 Report Post Thanks(0) Quote Reply Posted: 04 May 2018 at 4:03pm
	I too have this on my X370 ITX/ac it looks like part of the picture has been displaced no the right and bottom side, but just in the F11 boot screen, I think it started after a UEFI update (I think 3.60 or something in the 4.xx range)
	Main Rig: AMD Ryzen 2400G \| ASRock Fatality X370 ITX/ac UEFI 4.90 \| Corsair LPX DDR4 2400@3200 1.35V \| Corsair RM650i PSU \| CM ML120L AiO Cooler

kerberos_20 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 06 Dec 2017 Location: czech republic Status: Offline Points: 3687	Post Options Post Reply Quote kerberos_20 Report Post Thanks(0) Quote Reply Posted: 04 May 2018 at 5:18pm
	feel free to try with csm enabled/disabled otherwise screen can get corrupted in uefi if your ram has errors
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