File Request help

[Bitmosco]

MotherBoard Model

BT460 NM-A421 REV 4.0

Laptop Model

T460s

i have this lenovo t460s, all things ok ! but the lan port, keyboard light, all keeps blink continuously
but no power
ANY HELP ON THIS ?

 

[Vahab Hemmati]

try new bios

 

[Bitmosco]

try new bios

SAME PROBLEM

 

[Vahab Hemmati]

then i think the problem is not related to bios
check other parts of the board