IBM PC 300 Maintenance Service Manual page 69

005 –
Select Diagnostics from the PC-Doctor diagnostics program main menu. Select and execute Floppy Disk Test if you
want to test the diskette drive. Select and execute Hard Disk Test if you want to test the hard disk drive.
Select Interactive Tests from the PC-Doctor diagnostics program main menu, then select and execute CD-ROM/DVD
Test if you want to test the CD-ROM drive.
If the diagnostics program did not detect a failure, but the system still displays a failure:
If an error or other symptom appears, go to "Index of Symptoms, Messages, Error Codes, or Beeps" on page 57.
If no error can be detected or the symptom is intermittent, go to "Undetermined Problems" on page 80.
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