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Message/Symptom FRU/Action
″Insert a Diskette″ icon appears with a
known-good diagnostics diskette in the first
3.5-inch diskette drive.
1. System Board
2. Diskette Drive Cable
3. Riser card
4. Network Adapter
Intensity or color varies from left to right of
characters and color bars
1. Display
2. System Board
No power or fan not running
1. See “Power Supply Errors” on page 59.
Non-system disk or disk error-type message
with a known-good diagnostic diskette.
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
4. Riser card
Other display symptoms not listed above
(including blank or illegible display)
1. Display
2. System Board
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. Printer
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. Riser card
6. Power Supply
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 7. Symptom-to-FRU Index 89