If an error occurs, make a note of the code and message. Then use the Non-destructive surface analysis (option 3 on the Hard Disk Format Menu) to check the condition of the hard disk.

If this analysis shows no other problems with the disk, follow these steps:

1.Back up all the files on your hard disk.

2. Reformat the disk using option 2, Format hard disk, on the Operation Menu.

3.Install MS-DOS on the hard disk according to the instructions in the MS-DOS Installation Guide.

4.Restore your files.

Read, Verify Check

This test reads and verifies data from ‘all tracks of the disk, checking each cylinder and using all read/write heads.

Select option 3 from the menu to start this test. The program displays the number of each cylinder it finds. For example, with a hard disk, the first message you see is:

Current cylinder is nnn

The cylinder number counts down to 0. At the end of the test, you see a table of the results, as follows:

BAD

TRACKS ...................

n

READ

ERROR TRACKS ............

n

GOOD

TRACKS ..................

n n n n

Press ENTER to return to the menu

Performing System Diagnostics

C-35