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BIOS Dell Lattitude 5420 main GDF40 LA-K491P rev: 2.0

Hello, please, I believe it is the Bios problem, it does not recognize the HD/SSD and also change the Service Tag of this Bios for D1JM8D3, thank you
 

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WORKING.bin
32 MB · Views: 5

Really, thank you. You rebuilt the Original BIOS for me and it didn't work, so I tested it on another laptop and it worked, but it doesn't recognize NVME.
Could you do another Bios rebuild?
 

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builsa72 (1).zip
12.5 MB · Views: 6

Really, thank you. You rebuilt the Original BIOS for me and it didn't work, so I tested it on another laptop and it worked, but it doesn't recognize NVME.
Could you do another Bios rebuild?
No, nvme only works on the computer's original BIOS
 
This is the original Bios, you rebuild it for me, but it didn't work, if you can rebuild it, I'd be grateful.
Laptop doesn't play video.
 

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bk dell.BIN
32 MB · Views: 1

Thank you..
But it didn't work, the laptop now lights up the LEDs but after about 20 seconds it turns off.
Can you extract the Bios from the file on the Dell website?
 

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bios website.rar
39.8 MB · Views: 0

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