
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 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
62
ThinkCentre Hardware Maintenance Manual
Содержание ThinkCentre 3512
Страница 2: ......
Страница 8: ...2 ThinkCentre Hardware Maintenance Manual ...
Страница 15: ...Chapter 2 Safety information 9 ...
Страница 19: ...Chapter 2 Safety information 13 ...
Страница 20: ...1 2 14 ThinkCentre Hardware Maintenance Manual ...
Страница 21: ...1 2 Chapter 2 Safety information 15 ...
Страница 26: ...1 2 20 ThinkCentre Hardware Maintenance Manual ...
Страница 27: ...1 2 Chapter 2 Safety information 21 ...
Страница 30: ...24 ThinkCentre Hardware Maintenance Manual ...
Страница 34: ...28 ThinkCentre Hardware Maintenance Manual ...
Страница 60: ...54 ThinkCentre Hardware Maintenance Manual ...
Страница 70: ...64 ThinkCentre Hardware Maintenance Manual ...
Страница 73: ...6 PS 2 mouse connector optional 13 USB connector USB port 1 7 Serial port Chapter 8 Locations 67 ...
Страница 75: ...Figure 3 Locating major FRUs and CRUs Chapter 8 Locations 69 ...
Страница 85: ...Figure 12 Removing the frame stand Chapter 9 Replacing FRUs 79 ...
Страница 127: ......
Страница 128: ......