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‎06-06-2023 07:59 PM

HP Recommended
Product: HP Z840 Base Model Workstation
Operating System: Microsoft Windows 10 (64-bit)

My Z840 wouldn't boot today and was beeping and red led flashing.  Eventually I was able to get the computer to boot and it required a different GPU.  I put in a Radeon Pro W5500 and the computer booted up asking for the key to disable secure boot.  Then I was able to get the Quadro M4000 to boot and run properly.  I tried to enable secure boot and the same thing happened again.  I've not ever had an issue with the M4000 and secure boot.  What's changed?  I have the latest BIOS for the Z840.  

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