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[Other] Notebook Pro 15.6 (2019) BIOS Bricked ?!

2019-09-26 12:05:29
255 1
Hey Mi Fans ! I need your help.

I have tried to downgrad my bios from the last version: XMAKB5R0P0C07 to the BIOS 0300. But now my computer is not working anymore... The fans turn but I am facing a black screen. I can do nothing...
And, because I am stupid, I did not save the BIOS before the downgrad.. (yep I'm stupid I know, no need to remind me)
CHRONOLOGY:
1-I watched several tutorials before trying anything. Then I have tried, everything works as expected, 0 error message. Nothing wrong... But after (auto)rebooting- black screen... nothing works (but fans are turning)
2-I bought a CH341 programmer and searched the BIOS chip. I have found the chip: winbond W25Q64JV...
3-The different versions of CH341 software and AsPrgrammer recognize the chip with a different part number W25Q64FV and/or W25Q64BV.
4-I tried different BIOS versions found on the net (300/401/502/603/906) and nothing works... sometime the software indicates that the BIOS.bin file is to lenght... (depending of the version) someting the flashing works but the computer is not working... black screen and the fans are not turning.
5-Now, I came back to the first bricked bios version (I saved this one ^^) - black screen, turning fans, nothing more...

Anyone can help ? I want to save my computer and also learn how to do it (I'm sure it is interesting ! ^^)
Alex
PS: sorry for my bad english (not my native language), you can correct me if you have time ^^

2019-09-26 12:05:29
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If iam not wrong, this bios Version (XMAKB5R0P0C07) is from the 2019 MI Notebook Pro edition.
Make sure you try to flash the correct Bios.
There are also MI Notebooks with a GTX 1060 or 1050 inside.
I have the notebook pro 2018 or 17 Version with I5 8250U and 8gb Ram, geforce mx 150 gpu.
and for me, the bios XMAKB5R0P0300 and all other (603,805,906 etc) works perfect.
2019-09-30 10:05:18
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