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‎12-11-2021 09:56 AM

HP Recommended
Product: Z220 CMT
Operating System: Microsoft Windows 10 (64-bit)

My Z220 does not post anymore.

One of the latest thing I did was to change bios setting from ACHI-RAID to AHCI ony.

After that change, the workstation worked for a while, then suddenly it stopped.

No display and fans at max speed.

If I take out ram, I get 5 beeps, so motherboard is not totally dead.

I've tried the procedure described here:

https://h30434.www3.hp.com/t5/Business-PCs-Workstations-and-Point-of-Sale-Systems/Crisis-Recovery-Ju...

However I didn't succed.

What I I've NOT tried so far:

Using an old PCI video card (So far I've used Intel integrated or nvidia K620)

Using a CD instead of USB KEY, since I don't have a CD/DVD player at hand.

Any suggestions?

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