Message/Symptom
FRU/Action
Non-system disk or disk error-type message with a
known-good diagnostic diskette.
1. Diskette Drive
2. System Board
3. Diskette Drive Cable
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 switch/LED assembly
2. System Board
Printer problems
1. Printer
2. System Board
Program loads from the hard disk with a known-good
diagnostics diskette in the first 3.5-inch diskette drive
1. Run Setup and check Startup sequence.
2. Diskette Drive
3. Diskette Drive Cable
4. System Board
5. 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
Some or all keys on the keyboard do not work
1. Keyboard
2. Keyboard Cable
3. System Board
Undetermined problems
If you encounter undetermined problems, do the following:
1. Turn off the computer and the power.
2. Remove or disconnect the following components (if installed) one at a time.
a. External devices (modem, printer, or mouse)
b. Any adapter cards
c. Memory modules
Chapter 7
.
Symptom-to-FRU index
65
Summary of Contents for 3376
Page 1: ...ThinkCentre Edge Hardware Maintenance Manual Machine Types 3376 3377 3378 3386 3387 and 3388 ...
Page 6: ...2 ThinkCentre Edge Hardware Maintenance Manual ...
Page 13: ...Chapter 2 Safety information 9 ...
Page 17: ...Chapter 2 Safety information 13 ...
Page 18: ...1 2 14 ThinkCentre Edge Hardware Maintenance Manual ...
Page 19: ...1 2 Chapter 2 Safety information 15 ...
Page 24: ...1 2 20 ThinkCentre Edge Hardware Maintenance Manual ...
Page 25: ...1 2 Chapter 2 Safety information 21 ...
Page 28: ...24 ThinkCentre Edge Hardware Maintenance Manual ...
Page 32: ...28 ThinkCentre Edge Hardware Maintenance Manual ...
Page 58: ...54 ThinkCentre Edge Hardware Maintenance Manual ...
Page 122: ...118 ThinkCentre Edge Hardware Maintenance Manual ...
Page 164: ...160 ThinkCentre Edge Hardware Maintenance Manual ...
Page 173: ......