Ask insprion 5420 need add service tag number

[maximaa computers]

sir plz add or rebuild with service tag number in attached bios which is downloaded from vinafix server ....... or else share dell tool to reset bios.
service tag number is attached below.....

 

[ThienBui]

sir plz add or rebuild with service tag number in attached bios which is downloaded from vinafix server ....... or else share dell tool to reset bios.
service tag number is attached below.....

That's alf bios ok, just enter the tag and you're done