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HP Recommended
HP Z600 (V2)
Microsoft Windows 10 (64-bit)
This is my first post here so apologies for any missing details or mistakes,

The problem I'm having is that my recently purchased Z600 Workstation is no longer booting, when I go to power it on the system shows no video output and just beeps 6 times in a row with an accompanying flashing red light on the power button, according to the HP manual for my system this indicates that there's a bad pre-load video error, what I'm confused by is the fact that I was using my PC, I went it the bios, changed a few options (an option on the PCIe slot for my GPU was turned to "Compute" mode) then I saved and restarted, now the system won't boot, I've reset the CMOS (with power cable disconnected) even removed the battery, nothing, it can't even load the BIOS, have I broken a software setting or has my motherboard really just died on me? Or is there something else I'm missing?

Any help would be greatly appreciated, this is my second system to go this year, my motherboard on my other system still needs to be replaced......
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