Schematics ThinkPad P15 Gen 2 - NM-D491 REV0.4

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ThinkPad P15 Gen 2 - NM-D491 REV0.4
QN20P.pdf
DB.pdf
IO.pdf
NN-D491.pdf
VGA.tvw
NM-D491 REV1.0.tvw
NM-D491 REV0.4.tvw
boardview

 

[tktrom]

Buenas tardes, podria desbloquear esta bios , dice que tiene absolute activo
Lenovo P17 Gen 2
NM-D491

 

[ThienBui]

Buenas tardes, podria desbloquear esta bios , dice que tiene absolute activo
Lenovo P17 Gen 2
NM-D491

unlock need Programming EC ( I/O)

 

[tktrom]

Desbloqueo necesita Programación EC (I/O)

Sera este?

 

[ThienBui]

Sera este?

no
SIO MEC

 

[tktrom]

no
SIO MEC

ok gracias

 

[saidlaaouaj]

PLEASE BIOS LENOVO NM-D491

 

[ThienBui]

PLEASE BIOS LENOVO NM-D491

20230131_193354_SVOD3.rar

 

[Qwerty220]

Hello! Please help me rebuild the NM-D491 REV:1.0 bios. Thank you!

 

[ThienBui]

Hello! Please help me rebuild the NM-D491 REV:1.0 bios. Thank you!

 

[Qwerty220]

The laptop turned on but there was a problem with the detection of M.2

 

[ThienBui]

The laptop turned on but there was a problem with the detection of M.2

before rebulds it what error

 

[Qwerty220]

before rebulds it what error

After the update, just turning on "self-healing" and a black screen. If you press "F1" when you turn it on, the inscription "Entering Setup" appears and that's it, it just hangs on it ....

 

[ThienBui]

After the update, just turning on "self-healing" and a black screen. If you press "F1" when you turn it on, the inscription "Entering Setup" appears and that's it, it just hangs on it ....

Is it possible to check if M2 is working?

 

[Qwerty220]

Is it possible to check if M2 is working?

Yes, both M.2 SSDs are fully functional. Tried the same in other M.2 slots. There is also no PXE boot option. MAC Address (Internal LAN): 00 00 00 00 00 00

 

[ThienBui]

(Internal LAN): 00 00 00 00 00 00

you say from bios Original ?

 

[ThienBui]

Yes, both M.2 SSDs are fully functional. Tried the same in other M.2 slots. There is also no PXE boot option. MAC Address (Internal LAN): 00 00 00 00 00 00

try file this

 

[Qwerty220]

try file this

Great, everything worked! Thanks a lot!)

 

[Emiliano]

Hello! Please help me rebuild the NM-D491 REV:1.0 bios
notebook going on but no video

 

[ThienBui]

Hello! Please help me rebuild the NM-D491 REV:1.0 bios
notebook going on but no video