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how to unbrick my corrupted bios £
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harlock59 View Drop Down
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    Posted: 07 May 2021 at 7:51am
Hello,

i have an ASrock B450M Pro4 motherboard and i flashed my bios to version 5.00 and i got a message telling me that it successfully updated my bios, but after, it was long to reboot, i pressed the power button to shutdown the pc, and now i have no video.

i have a 16gb ram module brand tanbassh but i'm not sur if it's ok with this motherboard because i got 2+4 beeps sometimes (not every time i boot up)

i saw on the mobo that there was a bios ph1 header, can i buy a replacement bios to bypass my corrupted ? if so where can i order it
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RLGL View Drop Down
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Points: 2025 		Post Options Post Options   Thanks (0) Thanks(0)   Quote RLGL Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 9:46am
Try shut down, remove power cord, clear bios settings, remove battery, let stand over night. In the morning press the power button several times clear settings one more time, replace battery, re-connect power cord and attempt to start. If no start contact Asrock via support to see if there is any re-course. Otherwise get a new board.
Asrock Z370 Gaming K6,Intel i7 8700K,
Asrock x570 Taichi
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 2:44pm
Hello, how can i clear bios settings if i have no video, do u mean a reset cmos (clear cmos) linking pins on the motherboard ?
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 2:45pm
i have removed power cord and bios battery cell, and i am going to wait until 12am (it's now 8.45am), maybe i'll wait a bit more
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 2:48pm
otherwise, i found a bios chip on ebay, but i'll have to re-solder it on the motherboard, not sure if i'm able to do it myself
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harlock59 View Drop Down
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Originally posted by harlock59 harlock59 wrote:

otherwise, i found a bios chip on ebay, but i'll have to re-solder it on the motherboard, not sure if i'm able to do it myself

https://www.ebay.fr/itm/382717862987?hash=item591bc3244b:g:2hYAAOSw9-JfzVCP
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 2:51pm
my link seems not to work, this one https://www.ebay.fr/itm/382717862987?hash=item591bc3244b:g:2hYAAOSw9-JfzVCP
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harlock59 View Drop Down
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https://www.ebay.fr/itm/382717862987
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 8:59pm
not sure how to make clear cmos settings without video, could you tell me more, because i have removed power cord and cmos battery and waited for a few hours but did not clear cmos settings and still no video
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harlock59 View Drop Down
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Points: 250 		Post Options Post Options   Thanks (0) Thanks(0)   Quote harlock59 Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2021 at 9:02pm
Originally posted by RLGL RLGL wrote:

Try shut down, remove power cord, clear bios settings, remove battery, let stand over night. In the morning press the power button several times clear settings one more time, replace battery, re-connect power cord and attempt to start. If no start contact Asrock via support to see if there is any re-course. Otherwise get a new board.


how can i clear cmos if i removed power cord because i thought the clear cmos needed power cord plugged in...
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