IBM 622138U - IntelliStation Z - Pro 6221, Руководство пользователя

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CD-ROM Drive symptom Suggested action
CD-ROM drive tray is not
working. (The computer must be
turned on.) Insert the end of a straightened paper clip into the manual tray-release opening.
If the problem remains, call for service.
Diskette drive problems
Diskette drive symptom Suggested action
Diskette drive activity LED stays
on, or the system bypasses the
diskette drive.
1. If there is a diskette in the drive, verify that:
v The diskette drive is enabled in the Configuration/Setup utility program.
v
The diskette is good and not damaged. (Try another diskette if you have
one.)
v
The diskette is inserted correctly in the drive.
v The diskette contains the necessary files to start the computer.
v The software program is working properly.
v The cable is installed correctly (in the proper orientation).
2. To prevent diskette drive read/write errors, be sure the distance between
monitors and diskette drives is at least 76 mm (3 in.).
If the problem remains, call for service.
Expansion enclosure problems
Expansion enclosure
symptom Suggested action
The SCSI expansion enclosure
used to work but does not work
now.
1. Verify that:
v The cables for all external SCSI options are connected correctly.
v The last option in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v Any external SCSI option is turned on. You must turn on an external SCSI
option before turning on the computer.
2. For more information, see your SCSI expansion enclosure documentation.
Hard disk drive problems
Hard disk drive symptom Suggested action
Not all drives are recognized by
the hard disk drive diagnostic
test (Fixed Disk test).
1. Remove the first drive not recognized and try the hard disk drive diagnostic test
again.
2. If the remaining drives are recognized, replace the drive you removed with a
new one.
If the problem remains, call for service.
System stops responding during
hard disk drive diagnostic test.
1. Remove the hard disk drive being tested when the computer stopped
responding and try the diagnostic test again.
2. If the hard disk drive diagnostic test runs successfully, replace the drive you
removed with a new one.
If the problem remains, call for service.
Chapter 5. Solving problems
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