IBM 704 User Manual download pdf (Page 264)

100

101

Troubleshooting

Diskette Drive Problems

Action

Diskette drive In-Use

light stays on, or the

system bypasses the

diskette drive.

If there is a diskette in the drive, verify that:

1. The diskette is good and not damaged. (Try

another diskette if you have one.)

2. The diskette is inserted correctly (label up and

metal-shutter end first) in the drive.

3. The diskette contains the necessary files to start the

system.

4. The system is not in Secure mode.

5. The diskette drive is enabled (check the drive

startup sequence setting in the Setup program).

6. Your software program is OK (see the Software

Problems troubleshooting chart provided later in

this section).

7. Your drive startup sequence is set correctly (check

the Boot Sequence setting in the Setup program).

If the diskette drive In-Use light stays on, or the system

continues to bypass the diskette drive, have the system

serviced.

Monitor Self-Tests

Action

Some IBM monitors have their own self-tests. If you

suspect a problem with your monitor, refer to the

information that comes with the monitor for adjusting

and testing instructions.

If you still cannot find the problem, have the monitor

and system serviced.

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