Epson 20, 386 Read, Verify Check, nnn, Enter N to, cylinder may be, Current cylinder is nnn, Enter Y to start this check, C-28Performing System Diagnostics

Select option 2 from the menu to start this test. You see these messages:

The data on the highest physical cylinder may be d e s t r o y e d b y t h i s c h e c k .

Enter Y to start this check.

Enter N to return to the menu.

Press Y and then Enter to continue with the test. You do not see a cylinder count during the test. If no errors occur, the program returns to the menu.

If an error occurs, make a note of the code and message. Then use the Non-destructive surface analysis (option 4 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.Re-format the disk using option 2, Format hard disk, on the

OPERATION MENU.

3.Recreate the MS-DOS partition with FDISK and format it with SELECT (See Chapter 3.)

4.Restore your files.

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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

C-28 Performing System Diagnostics