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- HP z440 Cannot Boot into BIOS

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02-01-2023 03:26 PM
Product: HP Z440 Workstation
Operating System: Microsoft Windows 10 (64-bit)
Recently purchased a used z440 workstation.
Tried upgrading CPU to an e5-2667 v4, but would not post at all.
Reinstalled original e5-1603 v3, and I'm stuck with it boot looping.
The following displays and immediately resets,
"Mini QROM Display...
Initializing Intel(R) Boot Agent GE v1.5.50
PXE 2.1 Build 092 (WfM 2.0)"
I removed the CMOS battery for 5 minutes and pressed the clear CMOS button on MOBO for a few seconds.
I tried to pressing F10, F9, Del, Esc keys, etc. but it does not seem to recognize input.
Is there anything else that I can do?
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