hello friends i have 2 dell laptops 15 5502 with admin password . i unlocked the first one but for the second one i lost the original bios file so i used the file from the first one (after cleaning the me) the laptop start normally in manufacturing mode so i press fn key + f or x and enter the service TAG
and when i reboot everything is gone the laptop return to the manufacturing mode with an empty service tag field. i tested so many bioss and versions with no luck . if someone had same problem or a solution . thank you
and when i reboot everything is gone the laptop return to the manufacturing mode with an empty service tag field. i tested so many bioss and versions with no luck . if someone had same problem or a solution . thank you
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