[HELP] Dell Precision 5810 bricked after upgrading bios in DOS

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#1 | [HELP] Dell Precision 5810 bricked after upgrading bios in DOS datum

Sat Jun 06, 2020 10:47 am

The motherboard got bricked during a quite standard DOS flashing session using Dell's T5810A30.exe, flashed, reported success, rebooted and got stuck in POST - no video, no keyboard initialization.

I got CH314A, de-soldered the bios chip Winbond 25Q128FVSQ, however I wasn't able to find any SPI dumps for 5810 to flash it back.
Could anyone share a 16 MB dump of the original Dell bios?
Or maybe help to unpack a full bios image from the Dell EXE file?

Dell 5810 BIOS A29

Thank you.

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#2 | RE: [HELP] Dell Precision 5810 bricked after upgrading bios in DOS datum

Mon Jun 08, 2020 9:01 pm

Could someone please check the dump and let me know what was corrupted and how get it fixed:

https://www.drivehq.com/file/DFPublishFile.aspx/FileID7220811423/Keycv5ngnd1igj0/Dell-5810-BIOS-dump.rom

@Lost _N_BIOS, please.

Thank you in advance.

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#3 | RE: [HELP] Dell Precision 5810 bricked after upgrading bios in DOS datum

Wed Feb 17, 2021 11:45 pm

Hi novegg4 !
I'had the exact same issue, could you please tell me if you had any chance to restore your bios ?
And how did you made this possible ?
Thanks by advance !

Best regards

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#4 | RE: [HELP] Dell Precision 5810 bricked after upgrading bios in DOS datum

Thu Feb 18, 2021 2:59 am (Last edited: Thu Feb 18, 2021 3:00 am)

HI :Op

Did you try one of this Bios recovery procedure ? :

https://www.dell.com/support/kbdoc/fr-fr...-tablet?lang=en

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