Message/Symptom
FRU/Action
"Insert a Diskette" icon appears with a known-good
diagnostics diskette in the first 3.5-inch diskette drive.
1.
System Board
2. Diskette Drive Cable
3. Network Adapter
Intensity or color varies from left to right of characters
and color bars
1.
Display
2. Video adapter (if present)
3. System Board
No power or fan not running
1.
See “Hard disk drive boot error” on page 51.
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
72
ThinkStation Hardware Maintenance Manual
Summary of Contents for 4157 - ThinkStation S20 - 2 GB RAM
Page 1: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
Page 2: ......
Page 3: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
Page 15: ...Chapter 2 Safety information 9 ...
Page 19: ...Chapter 2 Safety information 13 ...
Page 20: ...1 2 14 ThinkStation 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 ThinkStation Hardware Maintenance Manual ...
Page 56: ...50 ThinkStation Hardware Maintenance Manual ...
Page 80: ...74 ThinkStation Hardware Maintenance Manual ...
Page 93: ...Chapter 10 Replacing FRUs Type 4105 4157 4217 87 ...
Page 124: ...118 ThinkStation Hardware Maintenance Manual ...
Page 264: ...258 ThinkStation Hardware Maintenance Manual ...
Page 268: ...262 ThinkStation Hardware Maintenance Manual ...
Page 274: ...268 ThinkStation Hardware Maintenance Manual ...
Page 275: ......
Page 276: ...Part Number 53Y4348 Printed in USA 1P P N 53Y4348 53Y4348 ...