Dell Latitude 7200 2-in-1 BIOS Password Requests

[SMDFlea]

hello i was buy a dell latitude 7200 2-in-1 on the ebay but there bios locked and sales person not remember those password please help me i can backup bios with ch341a programmator but i don't know which chip i will read there are two chip a 25v2006e and a 25x10clnig which one i read they i am so sorry for my bad english

Post merged with bios request thread. Its neither of those chips, keep looking. When you have your backups post them along with your service tag

[akosh114]

Thanks For answer is this 25Q80DVSIG ?

[hoaca388]

Thanks For answer is this 25Q80DVSIG ?

If the bios file is 8MB, the bios chip has the number 64. For example (Winbond chip): 25Q64JV...
If the bios file is 16MB, the bios chip has the number 128. For examp ( Winbond chip ): 25Q128JV....
If the bios file is 32MB , the bios chip has the number 256. For examp ( Winbond chip ): 25Q256JV...
..............

[akosh114]

i read MX25L25673G this model chib but i don't know it true or not please you see it my service tag is 2z332r2 thanks you

[hoaca388]

i read MX25L25673G this model chib but i don't know it true or not please you see it my service tag is 2z332r2 thanks you

Correct chip but corrupted file.

[akosh114]

I read the chip again and this time I tried separating the chip from the motherboard, please check. is this true? thanks you

[rex98]

I read the chip again and this time I tried separating the chip from the motherboard, please check. is this true? thanks you

1st boot, press F2, write service tag, disable Absolute, save, restart. 2nd boot press Alt+F to exit manufacturing mode

[akosh114]

thanks you for help i try write this rom but i got a error
Verify memory...
Verification error on address: 00000000

[rex98]

thanks you for help i try write this rom but i got a error
Verify memory...
Verification error on address: 00000000

check your solder and adapter there is a lose contact.

[darckreign1984]

helo
i have a dell 7200 2in1, that have admin password.
I buy this online.
can you help me remove it?
thnaks

ST - 3JZJL33
EX - 7738904703
i uploaded the bios backup


thanks

[hoaca388]

helo
i have a dell 7200 2in1, that have admin password.
I buy this online.
can you help me remove it?
thnaks

ST - 3JZJL33
EX - 7738904703
i uploaded the bios backup


thanks

Password removed

[darckreign1984]

Password removed

thanks for help
it worked
have a nice day

[darckreign1984]

helo
i have a second dell 7200 2in1, that have admin password.
I buy this online.
can you help me remove it?
thnaks

ST - 5LDLL33
EX - 12176543487
i uploaded the bios backup


thanks

I have tried to change the 3 adress , from my previsious bios (i fallow the solution received), without succes.

[Markus1741]

Hello, try this unlocked file ....

[darckreign1984]

Hello, try this unlocked file ....

helo, i tested the file, buth the laptop did no start anymore

[hoaca388]

helo, i tested the file, buth the laptop did no start anymore

Flash the original file again to see if it works ?

[darckreign1984]

Flash the original file again to see if it works ?

I flashed the bios back. Laptop start.

The chip it's desoldered from motherboard and flashed on tl866II plus

[hoaca388]

I flashed the bios back. Laptop start.

The chip it's desoldered from motherboard and flashed on tl866II plus

This time flashing the unlock file to it should work.

[darckreign1984]

This time flashing the unlock file to it should work.

so i have to flash again the unlocked bios from Markus1741?

[hoaca388]

so i have to flash again the unlocked bios from Markus1741?

Yes !