Hard Disk Controller and Hard Disk Check

The computer next checks the hard disk controller and drive unit. If a malfunction is found in the hard disk controller card, you see this error number and message:

1782-Disk controller failure

If an error is found in the hard disk drive unit, one of these error messages appears:

178x-Disk x failure179x-Disk x error

where x is 0 or 1, and represents the drive number of the hard disk. Drive C is number 0, and drive D is number 1.

Power-on Diagnostics B-5