!!! Warning: Z490 boards - problem with recent BIOS updates !!!

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Oct 9, 2021
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Yes I just did that (and also with 1B before that), M-Flash. But I agree with what Doc_Bucket said, " If someone says the latest BIOS update has worked for him/her, it is no news. "
FWIW, last year my flashing of this board failed as described in this thread, and I eventually recovered it myself with the CH341A programmer.
I am hoping that the change to default secure boot leads to less trouble in future with things like having to reset the Windows Hello stuff (PIN) and "hardware change" activation issues.
Did you reduce the voltage to 3.3V during programming?
 

doug.hogart153b02d9

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Nov 9, 2021
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Did you reduce the voltage to 3.3V during programming?
I didn't do anything special, just bought cheap kit, removed everything from motherboard except the battery, and just followed obvious instructions such as seeing whether auto detect was close match, read flash twice and compared files, then just risked moving forward with no special voltage (I'm not saying I recommend that, it is just what I did myself). Sort of nothing to lose since I had just been keeping bricked motherboard in a box for months after deciding not to pay the cross country shipping charge for RMA.
 
Last edited:

bassmooth115ba02e2

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Jul 16, 2022
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Same here...

Date of failed flashing: July 15, 2022
Affected board model: MPG Z490 GAMING EDGE WIFI
CPU: Intel Core i7-10700KF
Flashing method used: Dragon Center
Attempted update to BIOS version: 7C79v1C
Result: Stuck at EZ Debug LED "CPU" after update.
 

plutomate

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You might want to point out who you are directing that to. This topic is related to Z490 users who can no longer boot anything after flashing, the motherboard is stuck with CPU LED.
absolutely wrong link, mistaken the thread as secure boot problem from another citay post :crying: Request moderator to delete my post!
 

blizzlee912fd02b8

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Jul 24, 2022
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Hello, does this issue still exist with the latest Z490 bios update? I'm pretty scared to update it after seeing so many horror stories of their Z490s bricking.
I have a Z490 Gaming Plus btw.

I may not update this board ever honestly just to be extra safe. I'm glad I read these comments first before installing this board into my PC.
 

citay

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Oct 12, 2016
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Yes, it can potentially still happen. It doesn't happen all the time, that's for sure. There are people successfully updating their MSI Z490 board's BIOS without ever getting this problem.
There have to certain circumstances for it to happen, which are still unknown. That's why it's so difficult to predict if it will go smoothly or not for you.
 

blizzlee912fd02b8

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Jul 24, 2022
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Yes, it can potentially still happen. It doesn't happen all the time, that's for sure. There are people successfully updating their MSI Z490 board's BIOS without ever getting this problem.
There have to certain circumstances for it to happen, which are still unknown. That's why it's so difficult to predict if it will go smoothly or not for you.
Thanks for the response. I will not risk updating the bios then. If this board runs just fine in Windows 11 without updating it then I will not bother at all.
I really do not want to put myself through the hassle of having to send the motherboard to MSI and waiting for a month or something to get it back.
 
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