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Old 05-03-2022, 08:40 PM   #4
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Join Date: Jan 2022
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Default Re: Inspiron 5402/5409 need service tag after flash new bios

Originally Posted by Maxpower3 View Post
hello everyone

after flash this bios need rewrite service tag number
because old not work .just screen Multi color Red/Blue/Green etc..

the laptop start normally but manufacturing mode
need enter the service TAG .

Inspiron 5402/5409
Numéro de série: 2T8LF63
Code de service express: 6121520139

if possible recover the windows key
Inspiron 5402/5409
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