HP Z600

[cantor_aleph]

hi,

I take the hard disk from my old Z400, fully functional with Windows 7 Ultimate, I try to insert it into the Z600 Workstation Serial number [Personal Information Removed].
When I start the Z600 it gives me the signal that the PC cannot find the boot and Windows does not start.
Previously, when I switched the hard drive that was on the Z600 and I mounted it in the new Z840 there was no problem.
Is there a way to make the hard drive that was on my Z400 boot on the Z600?
Thanks for any reply.
P.S.:
if there is a way, explain step by step why I am very clueless.

[DGroves · Accepted solution]

carefully check the bios settings on the z400 it should be at the default of raid+AHCI then make sure the z600 is also at the same setting as the z400's setting

[cantor_aleph]

thanks, I'll try tomorrow.

[cantor_aleph]

Thank you for your help,

unfortunately, being incapable I am afraid to touch the BIOS because if I do some damage then who can help me?