Weird characters in boot menu in X370 Taichi

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   I am seeing weird characters in the boot menu on AsRock x370 Taichi. Any idea what could have gone wrong?

https://goo.gl/photos/4wBpmES5bd1iPz1b8

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amitkarmakar13 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2017 Status: Offline Points: 11	Post Options Post Reply Quote amitkarmakar13 Report Post Thanks(0) Quote Reply Topic: Weird characters in boot menu in X370 Taichi Posted: 26 Aug 2017 at 7:06pm
	I am seeing weird characters in the boot menu on AsRock x370 Taichi. Any idea what could have gone wrong? https://goo.gl/photos/4wBpmES5bd1iPz1b8

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 26 Aug 2017 at 7:09pm
	does the window for the bios screen actually show in two halves on your monitor as well like that picture ?
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

amitkarmakar13 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2017 Status: Offline Points: 11	Post Options Post Reply Quote amitkarmakar13 Report Post Thanks(0) Quote Reply Posted: 26 Aug 2017 at 7:16pm
	Yes

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 26 Aug 2017 at 9:02pm
	can you try another graphics card id be more concerned why its split screen than the extra charaters
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

amitkarmakar13 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2017 Status: Offline Points: 11	Post Options Post Reply Quote amitkarmakar13 Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 6:10am
	This problem happens only during the boot device selection menu. In BIOS setup everything runs fine. Also, after i disabled CSM, this problem doesn't occur. (Except that I see 3 blank entries in the boot options list) Hoping GPU is not faulty.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 9:15am
	Please list out your hardware.

wardog Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 15 Jul 2015 Status: Offline Points: 6447	Post Options Post Reply Quote wardog Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 9:24am
	Quick question ............ Do you have a BD/DVD also? By chance is it on one of the ASMedia bottom two SATA ports SATA3_A1 or SATA3_A2 ports?

amitkarmakar13 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2017 Status: Offline Points: 11	Post Options Post Reply Quote amitkarmakar13 Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 6:29pm
	I have not connected any other SATA device. My Samsung EVO SSD is the only SATA device. Also the three empty entries in the BIOS after disabling CSM look like this, https://drive.google.com/file/d/1hFnM3sIjTH1y5PPvfv7Q-BKpF8ZO0Snj8w/view

datonyb Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 11 Apr 2017 Location: London U.K. Status: Offline Points: 3139	Post Options Post Reply Quote datonyb Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 7:17pm
	i have the taichi as well ,what version of bios are you on ?
	[url=https://valid.x86.fr/jpg250][/url] 3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold

amitkarmakar13 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Aug 2017 Status: Offline Points: 11	Post Options Post Reply Quote amitkarmakar13 Report Post Thanks(0) Quote Reply Posted: 27 Aug 2017 at 7:39pm
	This is my hardware list, AsRock X370 Taichi AMD Ryzen 1800X G.Skill Trident Z 16 GB Samsung EVO 1 TB Corsair 750D Airflow Edition Noctua NH-D15 Corsair RM650X MSI GTX1080ti Gaming X I am on bios 3.00. Also, this problem wasn't there at the beginning. After one reboot, i noticed this issue. I found several other threads on similar problems and none of them have proper conclusions. http://forum.asrock.com/forum_posts.asp?TID=4942&title=x370-taichi-boot-menu-graphical-issue http://forum.asrock.com/forum_posts.asp?TID=5082&title=asrock-fatal1ty-z270-boot-menu-graphic-glitch https://techreport.com/forums/viewtopic.php?t=116125