840 g10 6050a3452701-mb-a01

Dear colleages!
I need help

We have changed mainboard on 840 g10 ( original dead, CPU )
I Need wirte SN in DMI, but i can't unable MAnufacturer program Mode, I try with latest BCU but no change
Its possible without extract BIOS chip?

Thanks in advance
 
Dear colleages!
I need help

We have changed mainboard on 840 g10 ( original dead, CPU )
I Need wirte SN in DMI, but i can't unable MAnufacturer program Mode, I try with latest BCU but no change
Its possible without extract BIOS chip?

Thanks in advance
OK POST og backup olde bord and new bord backup
 
hp logo comes then shuts off then reboots verry late boot especially on restart takes verry long loading
 

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