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Solved!

HP ZBook 15 G2 Mobile Workstation + motherboard change + boot issue grub rescue + memory issue

HP Recommended
ZBook 15 G2 Mobile Workstationlion
Microsoft Windows 10 (64-bit)

Hi all
I have to change my logic board "motherboard" in my ZBook 15 G2 Mobile Workstationlion after I changed, I had a message " grub rescue " in black screen but I find a solution to go in bios and change the boot option to legacy active after I install win 10 all fine but if I change back the setting in bios come back the same message from " grub rescue ", and the second issue after I boot my laptop coming out the same notification about memory is not compatible and the file system is bad, I run diagnostic but all fine I update bios all the driver but still the same, and also not showing the logicboard ID: numbers

Please any help will appreciate.
Thank you in advanceBoot screen 1Boot screen 1Boot screen 2Boot screen 2

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Usually when a service technician change a mother board, they brand the new on with serial number and so on. I Think that part is missing here and that´s why you get the errors.

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Yes is true, my self has been changed the motherboard, any possibility to brand the new motherboard or overwrite the EEPROM, any app or somehow overwrite the EEPROM.

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I find a solution to rewrite or update EEPROM https://www.arieslaptoptraining.com/blog/index.php?mo=blog_dtl&blogsr=20 
thx for all support.

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