No boot device available error I’m confident that it may (or may not) be an issue with the hard drive, was wondering if anyone knew the solution-?

Pc - Optiplex 755 Series

BIOS Revision A19

Message;

No device found

AHCI BIOS not installed

No boot device available -

strike f5 to retry boot, F2 for setup utility

 Press F5 to run onboard diagnostics