Message/Symptom
FRU/Action
Program loads from the hard disk with a known-good
diagnostics diskette in the first 3.5-inch diskette drive
1. Run the Setup Utility program 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
This section provides instructions on how to find out the failing devices or adapters.
1. Power-off the computer.
2. Remove or disconnect the following components (if installed) one at a time.
a. External devices (modem, printer, or mouse)
b. Any adapters
c. Memory modules
d. Extended video memory
e. External Cache
f. External Cache RAM
g. Hard disk drive
h. Diskette drive
3. Power-on the computer to re-test the system.
4. Repeat steps 1 through 3 until you find the failing device or adapter.
If all devices and adapters have been removed, and the problem continues, replace the system board.
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ThinkCentre Edge Hardware Maintenance Manual
Summary of Contents for ThinkCentre Edge 72z
Page 1: ...ThinkCentre Edge Hardware Maintenance Manual Machine Types 3569 3571 and 3574 ...
Page 2: ......
Page 3: ...ThinkCentre Edge Hardware Maintenance Manual Machine Types 3569 3571 and 3574 ...
Page 8: ...2 ThinkCentre Edge Hardware Maintenance Manual ...
Page 15: ...Chapter 2 Safety information 9 ...
Page 19: ...Chapter 2 Safety information 13 ...
Page 20: ...1 2 14 ThinkCentre Edge Hardware Maintenance Manual ...
Page 21: ...Chapter 2 Safety information 15 ...
Page 27: ...Chapter 2 Safety information 21 ...
Page 31: ...Chapter 2 Safety information 25 ...
Page 38: ...32 ThinkCentre Edge Hardware Maintenance Manual ...
Page 62: ...56 ThinkCentre Edge Hardware Maintenance Manual ...
Page 89: ...Figure 3 Locating major FRUs and CRUs Chapter 8 Locations 83 ...
Page 99: ...Figure 13 Reinstall the rubber on the foot stand Chapter 9 Replacing FRUs 93 ...
Page 132: ...126 ThinkCentre Edge Hardware Maintenance Manual ...
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Page 141: ......
Page 142: ...Part Number Printed in USA 1P P N ...