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HP Recommended
HP EliteDesk 800 65W G4 Desktop Mini PC
Microsoft Windows 10 (64-bit)

Recent hardware change,replaced motherboard.Cannot complete bios setup ie machine unique codes.Featute byte problem.have the codes for this from the sticker inside case top.However have entered these many many times,but comes up with CRC fault.When i post get error warning in red colour numerics Still in Manufacturing mode error code 30.Have opened case with support,so far over three days no reply.Tried looking on HP Partsurfer for feature found some for my 800 G2 Dm,but only parts number for  my 800 G4 65W mini.Help please.

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