1. The CPU fan has stopped working.
OR
2. Either the IDE controller on the PC motherboard or the hard drive has failed.
OR
3. Something has corrupted the hard drive boot sector.
Action
For cause 1. Replace the CPU fan and heat sink.
For cause 2. Run IDE diagnostics to determine whether the HD has failed. The PC will not boot. A blue screen appears reading “Inaccessible boot device.” The IDE controller and hard drive are ok.
For cause 3. Run CHKDSK on the affected drive.
FAQ Category