ATAPI incompatible

dkp1

Distinguished
Aug 14, 2011
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18,510
Hello,
I have Gateway GT5622 PC, working OK for four years. All of a sudden, I get a message:
Auto detecting primary master IDE Hard Disk
Auto detecting 3rd Master - ATAPI CDROM
Primary master drive atapi incompatible.
I did not make any changes to PC. I cannot access BIOS. When I turn on It shows:
AMIBIOS 945GCT-NM v 1.02 8/16/2007
You help is greatly appreciated.