| Symptom/Error |
FRU/Action |
| Program-load error during |
1. Network Adapter |
| remote IPL from the file servicer. |
|
| External display screen changes colors. |
1. Go to 'External Display Self-Test' |
| One or more keys do not work |
1. Go to |
| on the external keyboard, but |
'Ext. Keyboard/Aux. Input Device Checkout' |
| the Dock I is otherwise functional. |
|
| Computer does not work, |
1. See 'Undetermined Problem' |
| power-good light does not |
|
| turn on, but the fan runs. |
|
| Power-good light does not |
1. See 'Undetermined Problem' |
| turn on, fan does not run, |
|
| and the computer is not functional. |
|
| Although the computer is |
1. The fan is working correctly. |
| is powered-off, the fan of |
To stop the fan, set the key lock |
| the Dock I power supply is running. |
to the external left position |
| |
(:artwork runin name='c78jb404.bmp'.). |
| Computer is functional, fan runs, |
1. LED Assembly |
| but power-good light does not turn on. |
2. I/O Card |
| |
3. Go to 'Power Systems Checkout' |
| Intermittent failures. |
1. Do the loop test. |
| |
(See 'How to Run the Loop Test') |
| Cannot turn off Dock I. |
1. I/O Card |
| |
2. Main Board |
| The LED (Dock I) for the |
1. 2.5-inch Hard Disk Drive |
| hard disk drive stays on. |
2. The HDD Installation Kit |
| LED (Dock I) for the hard |
1. Check LED Assembly Cable |
| disk drive is not working, |
2. LED Assembly |
| but the Dock I is functional. |
3. Main Board |
| |
4. I/O Card |
| |
NOTE: While related to the SCSI hard |
| |
disk installed in the Dock I, the LED |
| |
for the hard disk drive does not work |
| |
when you access the SCSI hard disk. |
| The beep sounds continuously. |
1. Before replacing any devices, check |
| |
that the release/lock lever is opened. |
| |
2. Security Feature Group |
| |
3. Main Board |
| The HDD-2 is not recognized and no |
1. Remove the hard disk password for the |
| error codes appear on the screen. |
ThinkPad hard disk as follows: |
| (The password of the HDD-2 is still set.) |
a. Install the second hard disk drive |
| |
in the computer. |
| |
b. Remove the hard disk password. |
| |
NOTE:The HDD-2 icon means the 2.5-inch |
| |
ThinkPad hard disk drive installed in the Dock I |