need remove password lenovo p52

[SMDFlea]

Re: need remove password lenovo p52

Hello, i have problem with removing bios password from Lenovo P52. I've tried lenovo autopatcher method but after injecting patch just black screen and cpu getting hotter. Can u help me ? Original and patched dumps in attachmetns. Thanks

attachments:

You must post the Serial number

RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*
https://www.badcaps.net/forum/showthread.php?t=103570

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[HoulScreamPL]

Re: need remove password lenovo p52

You must post the Serial number

RULES UPDATE for BIOS requests/offers *AVOID BANNING, READ BEFORE POSTING*
https://www.badcaps.net/forum/showthread.php?t=103570

.

Sorry

S/N: PF-1MR2B2 19/03
TYPE: 20M9-0017MX

[volinakis]

Re: need remove password lenovo p52

Any chance for help ?

try this and follow steps described in autopatcher

[HoulScreamPL]

Re: need remove password lenovo p52

try this and follow steps described in autopatcher

Still the same issue, i triple checked your patched file and still dont working.
Just few restarts, black screen, cpu getting hot and beep code. Any other ideas ? I checked laptop still working on original bios file with password without problems.

[volinakis]

Re: need remove password lenovo p52

Still the same issue, i triple checked your patched file and still dont working.
Just few restarts, black screen, cpu getting hot and beep code. Any other ideas ? I checked laptop still working on original bios file with password without problems.

did you push cover switch? did you remove cmos battery? use a charger >130W, otherwise will not boot.

[HoulScreamPL]

Re: need remove password lenovo p52

did you push cover switch? did you remove cmos battery? use a charger >130W, otherwise will not boot.

Cover switch is glued and secured by tape, ssd removed, cmos bat. removed, i use 230W Lenovo rectangle charger, tried on fully charged original battery and laptop behave like on charger, 2 restarts, black screen and beeps

[volinakis]

Re: need remove password lenovo p52

Cover switch is glued and secured by tape, ssd removed, cmos bat. removed, i use 230W Lenovo rectangle charger, tried on fully charged original battery and laptop behave like on charger, 2 restarts, black screen and beeps

try this clean ME patched bios.

[HoulScreamPL]

Re: need remove password lenovo p52

try this clean ME patched bios.

On this bios still the same issue but i saw 4 restarts not 2 like before. I checked beep code and it says:

0285 - TCG-compliant functionality-related error (might be the TPM initialization failure)

[volinakis]

Re: need remove password lenovo p52

read again original bios chipset. I think you read it with errors 1st time.

[HoulScreamPL]

Re: need remove password lenovo p52

read again original bios chipset. I think you read it with errors 1st time.

U mean use original bios, turn on laptop etc. and after that read chip again and try patch it again ??

[osman68i]

ThinkPad P52 NM-B562

for someone who need information
32 mb bios you must read write mec1653. 1 resistor switch 4 jumper wire.

[feherhollo]

ThinkPad P52 NM-B562

for someone who need information
32 mb bios you must read write mec1653. 1 resistor switch 4 jumper wire.

How can you read and write MEC1653? Where is the JTAG ports? I have T580 LTS-2 17812-1 board and cannot find the JTAG to work with the MEC

[SMDFlea]

Off topic.This thread is only for the ThinkPad P52,and the post above yours is for the NM-B562 motherboard