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, the screen displays one of these error messages:

178n-Disk n error

179n-Disk n error

where n 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