Bios for Z420

[digitalpc]

Hi I have problem with Z420 after HP Logo Display everything freeze, i try some bios files in Forum but not working

[xuandan]

Re: Bios for Z420

here you are

[alijoon30]

hi my z420 has freeze at hp logo, re flashed by that file you uploaded and now its ok but i have Invalid electronic serial nomber,i think i should have the serial number from old bios dump and i have the old one but i dont khow how to fine and inject to the new bios,i will upload my old dump in down of this post thanks full if you can help me

[SMDFlea]

Post the PC serial number - https://www.badcaps.net/forum/troubl...before-posting

[alijoon30]

serial number : SGH238TZG8

Thanx

[alijoon30]

hi my z420 has freeze at hp logo, re flashed by that file you uploaded and now its ok but i have Invalid electronic serial nomber,i think i should have the serial number from old bios dump and i have the old one but i dont khow how to fine and inject to the new bios,i will upload my old dump in down of this post thanks full if you can help me

bump

[hoaca388]

bump

Serial number is not real, check again.

[alijoon30]

Serial number is not real, check again.

hi my friend,thanx for your attention,that is right but this is write on the case and even inside my old bios dump

[SMDFlea]

Serial number is not real, check again.

Search by product number instead. LJ449AV

[hoaca388]

hi my friend,thanx for your attention,that is right but this is write on the case and even inside my old bios dump

Thank you , SMDFlea !

HP Z420 Base Model Workstation

[alijoon30]

Thank you , SMDFlea !

HP Z420 Base Model Workstation

in new bios i put serial number manually, thanxxx for your big help