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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 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. 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.
See “Replacing the system board” on page 112.
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ThinkCentre M900z Hardware Maintenance Manual
Summary of Contents for ThinkCentre M900z 10F2
Page 1: ...ThinkCentre M900z Hardware Maintenance Manual Machine Types 10F2 10F3 10F4 and 10F5 ...
Page 6: ...iv ThinkCentre M900z Hardware Maintenance Manual ...
Page 8: ...vi ThinkCentre M900z Hardware Maintenance Manual ...
Page 16: ...8 ThinkCentre M900z Hardware Maintenance Manual ...
Page 20: ...12 ThinkCentre M900z Hardware Maintenance Manual ...
Page 21: ...1 2 Chapter 1 Read this first Important safety information 13 ...
Page 22: ...1 2 14 ThinkCentre M900z Hardware Maintenance Manual ...
Page 27: ...1 2 Chapter 1 Read this first Important safety information 19 ...
Page 28: ...1 2 20 ThinkCentre M900z Hardware Maintenance Manual ...
Page 31: ...Chapter 1 Read this first Important safety information 23 ...
Page 40: ...31 32 ThinkCentre M900z Hardware Maintenance Manual ...
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Page 128: ...120 ThinkCentre M900z Hardware Maintenance Manual ...
Page 136: ...128 ThinkCentre M900z Hardware Maintenance Manual ...
Page 138: ...China RoHS 130 ThinkCentre M900z Hardware Maintenance Manual ...
Page 139: ...Appendix D China Energy Label Copyright Lenovo 2015 131 ...
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