IBM 6568 Personal Computer User Manual


 
Message/Symptom FRU/Action
Power-on indicator or hard disk drive in-use light
not on, but computer works correctly
1. Power Supply
2. System Board
3. LED Cables
Printer problems
1. See Printer on page 107
Program loads from the hard disk with a
known-good diagnostics diskette in the first
3.5-inch diskette drive
1. Run Setup
2. Diskette Drive
3. Diskette Drive Cable
4. System Board
5. Power Supply
Drives not recognized by the Fixed Disk diagnostic
(e.g., you have six drives but the fixed disk test
only shows three)
1. Remove the first drive that does not show up
and rerun the Fixed Disk diagnostic. If the
remaining drives then show up, replace the
drive you removed.
Hang during Fixed Disk diagnostic
1. Remove the hard file being tested at the time
of the hang.
2. Rerun the diagnostic.
3. If successful, replace the drive you removed.
RPL computer cannot access programs from its
own hard disk.
1. If network administrator is using LCCM
Hybrid RPL, check startup sequence:
a. First device - network
b. Second device - hard disk
2. Hard disk drive
RPL computer does not RPL from server
1. Check startup sequence
2. Check the network adapter LED status
Serial or parallel port device failure (system board
port)
1. External Device Self-Test OK?
2. External Device
3. Cable
4. System Board
Serial or parallel port device failure (adapter port)
1. External Device Self-Test OK?
2. External Device
3. Cable
4. Alternate Adapter
5. System Board
Chapter 3. Types 6058/6059/6269/6578/6579 169