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Message/Symptom
FRU/Action
Serial or parallel connector device failure (system board
connector)
1. External Device Self-Test OK?
2. External Device
3. Cable
4. System Board
Serial or parallel connector device failure (adapter
connector)
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. Turn 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. Turn on the computer to retest 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. See
Chapter 6 “Hardware removal and installation” on page 43.
Service checkout and symptom-to-FRU index
37
Summary of Contents for 30GL003YGE
Page 1: ...P358 Tower Hardware Maintenance Manual ...
Page 11: ...Chapter 1 Important safety information 7 ...
Page 12: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 1 2 8 P358 TowerHardware Maintenance Manual ...
Page 15: ...Chapter 1 Important safety information 11 ...
Page 16: ...1 2 12 P358 TowerHardware Maintenance Manual ...
Page 17: ...Chapter 1 Important safety information 13 ...
Page 23: ...Chapter 1 Important safety information 19 ...
Page 27: ...Chapter 1 Important safety information 23 ...
Page 42: ...38 P358 TowerHardware Maintenance Manual ...
Page 46: ...42 P358 TowerHardware Maintenance Manual ...
Page 53: ...Chapter 6 Hardware removal and installation 49 ...
Page 60: ...56 P358 TowerHardware Maintenance Manual ...
Page 63: ...Chapter 6 Hardware removal and installation 59 ...
Page 69: ...Chapter 6 Hardware removal and installation 65 ...
Page 73: ...Replacement procedure Chapter 6 Hardware removal and installation 69 ...
Page 82: ... Optical drive cage on page 68 Replacement procedure 78 P358 TowerHardware Maintenance Manual ...
Page 86: ...Replacement procedure 82 P358 TowerHardware Maintenance Manual ...
Page 97: ...Replacement procedure Chapter 6 Hardware removal and installation 93 ...
Page 98: ...94 P358 TowerHardware Maintenance Manual ...
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