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| Symptom/Error | FRU/Action |
|---|---|
| Program-load error during | Network Adapter |
| remote IPL from the file servicer. | |
| External display screen | Go to 'External Display' |
| changes colors. | |
| One or more keys do not work | Go to 'External Keyboard' |
| on the external keyboard, but | |
| the Dock II is otherwise functional. | |
| Computer does not work, the | See 'Undetermined Problems' |
| power-on indicator does not | |
| turn on, but the fan runs. | |
| Power-good light does not turn on, | See 'Undetermined Problems' |
| fan does not run, and the | |
| computer is not functional. | |
| Although the computer is turned | The fan is working correctly. |
| off, the fan of the Dock II | To stop the fan, set the key lock |
| power supply is running. | to the external left position. |
| Computer is functional and | 1. LCD Circuit Board Group |
| the fan runs, but the power | 2. Riser card |
| on indicator does not turn on. | 3. Go to 'Power Supply'. |
| Intermittent failures. | Do the loop test. |
| (See 'How to Run the Loop Test'.) | |
| The power of Dock II cannot | 1. Riser card |
| be turned off. | 2. Main card |
| LCD (Dock II) for the hard | 1. 2.5-inch hard disk drive |
| disk drive stays on. | 2. HDD installation kit |
| LCD (Dock II) for the hard | 1. Check the LCD Circuit Board Group |
| disk drive is not working, | 2. LCD Circuit Board Group |
| but the Dock II is functional. | 3. Main card |
| 4. Riser card | |
| Beep sounds continuously. | 1. Before replacing any devices, |
| check that the release/lock lever | |
| is opened. | |
| 2. Security feature group | |
| 3. Main card | |
| The HDD-2 is not recognized | 1. Remove the hard disk password for |
| and no error codes appear | the ThinkPad hard disk as follows: |
| on the screen. | a. Install the second hard disk |
| (The password of the HDD-2 | drive on the computer. |
| is still set.) | b. Remove the hard disk password. |
NOTE: The HDD-2 icon indicates that the 2.5-inch ThinkPad hard disk drive
is installed in Dock II.
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.