Lenovo FLEX NZ3-2 NZM3H-2 NZM3H-2 NOZOMI-3 SWG SDV2 LENOVO THIKNPAD T420I

Bios
T420 NZ3 SWG REV G LNVH-41AB5800-G00G HM67 N12P-NS1-S-A
LNVH-41-AB580

FLEX NZ3-2 NZM3H-2 NOZOMI-3 SWG SDV2 LENOVO THIKNPAD T420I

 

[ThienBui]

T420 BIOS ADMIN PASSWORD.NO CHANGE ANY IN BIOS.PLSS TELL ME HOW REMOVE THIS ADMIN PASSWORD

password in chip this
Lenovo T420 Password U22

backup it and send me.

 

[ThienBui]

my lenovo t420 (AB5800) have fan error problem. i Clean the fan. but it have fan error problem still now. can you help me?
what kind of voltage in that fan pin?

fan not clear, check fan is Original or not ? and any hardware change or replace

 

[ThienBui]

all are original. when i press the power switch fan working nicely, but after 5 second fan was stop. and show me fan error, then shout down the laptop.

try more bios other and compare

 

[krrevotechservices]

have board view for this model

T420 NZ3 SWG REV G LNVH-41AB5800
THE top file unable to open

 

[ThienBui]

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have board view for this model

T420 NZ3 SWG REV G LNVH-41AB5800
THE top file unable to open

on top Available