Hello,
I have a Dell XP 8500 Special Edition that was working perfectly until this morning when the hard drive is no longer recognized. When the computer resumed from sleep the computer froze and after rebooting the primary hard drive is no longer visible to the system at all. The SSD and DVD drives are recognized, but the HDD is not. This is all factory original parts with Windows 7, and nothing in the computer changed between yesterday and today.
I am looking for help on fixing this problem.
I have tried changing the power and cables from the motherboard to hard drive with known good cables, changing the BIOS setting from RAID to AHCI and back, but nothing works.
Booting with a Windows 7 DVD does not detect the HDD at all. Running the Dell System diagnostics via F12 on startup does not find any errors - but it also does not see the HDD at all.
Thank you in advance for any helpful ideas.