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Weird characters in boot menu in X370 Taichi
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kerberos_20 View Drop Down
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    Posted: 22 Sep 2018 at 3:18pm
clear uefi boot cache (manually) and it will be gone
this happens if u toy with unsupported operating systems

go to bios, go to boot tab and u should see in there something like boot override, select efi shell,
u should see command line now
To dump a list of current boot entries:Shell> bcfg boot dump -v
remove all once by one
To remove the 1st boot option: Shell> bcfg boot rm 0
To remove the 2nd boot option: Shell> bcfg boot rm 1
and so on

userbenchmark
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Desulate View Drop Down
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I have this issue as well, it just randomly appeared one day. I have flashed different Bios, played with the setting and tried 2 different gpus. The strange artifacts still remain.

If anyone else has this issue I recommend you just ignore it unless you experience performance issues along with it, because it hasn't really seemed to effect anything so far. Its probably just another graphical bug in the bios.

Trying to get rid of the artifacts is a bigger hassle than just hitting F2 instead of F11 and not worth the effort.
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I have this problem with x370 k4 bios 3.1
ati 7770 - hdmi

any solution? wait for a new bios?
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Tried this, still the same problem.
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Have you tried disconnecting all drives, clearing CMOS then testing without any drives attached?

I have the X370 Taichi in my personal system and I have not seen this issue on my setup. 

You can also try a full CMOS clear as described here:

http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal


It should clear any corrupted values from the UEFI.
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Originally posted by MisterJ MisterJ wrote:

In the BIOS Advanced-Full HD UEFI option.  Have anyone tried enabling/disabling and see if that helps?  Enjoy, John.


With both disabled and auto option selected, the problem remains.


Edited by amitkarmakar13 - 27 Aug 2017 at 11:23pm
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MisterJ View Drop Down
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I would also suggest trying a different interface on the video card.  I have noticed slightly different results with DP and HDMI interfaces.  Good luck, John.
Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD
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Originally posted by MisterJ MisterJ wrote:

In the BIOS Advanced-Full HD UEFI option.  Have anyone tried enabling/disabling and see if that helps?  Enjoy, John.


i can confirm mine is set to
full hd
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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MisterJ View Drop Down
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In the BIOS Advanced-Full HD UEFI option.  Have anyone tried enabling/disabling and see if that helps?  Enjoy, John.
Fat1 X399 Pro Gaming, TR 1950X, RAID0 3xSamsung SSD 960 EVO, G.SKILL FlareX F4-3200C14Q-32GFX, Win 10 x64 Pro, Enermx Platimax 850, Enermx Liqtech TR4 CPU Cooler, Radeon RX580, BIOS 2.00, 2xHDDs WD
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datonyb View Drop Down
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Points: 3139 		Post Options Post Options   Thanks (1) Thanks(1)   Quote datonyb Quote  Post ReplyReply Direct Link To This Post Posted: 27 Aug 2017 at 8:18pm
well either csm enabled or csm disabled both present normal graphics on mine when i select f11
(mine was actually still enabled by default)
but changing it has no effect except maybe the promised faster boot time.....i didnt notice

my system is not far different to yours
tachi with bios version 3
1700 cpu
samsung evo 960 nvme boot + samsung evo 850 sata data drive
my gpu is a rx480 though  ( do the OTHER users with the issue have nvidia cards or amd to try and see if its a glitch with gpu's)
[url=https://valid.x86.fr/jpg250][/url]

3800X, powercolor reddevil vega64, gskill tridentz3866, taichix370, evga750watt gold
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