FRU tests
The following table shows the test for each FRU.
FRU | Applicable test |
System board | 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard |
Power | Diagnostics --> Other Devices --> IBM AC Adapter IBM Battery 1 (IBM |
LCD unit | 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video |
Modem MDC or BMDC | 1. Make sure the modem is set up correctly. 2. Replace the modem jack and the modem card in turn and run the following test in Diagnostics --> Communication: a. Lucent Soft Modem Loopback b. Lucent Soft Modem Dialtone |
Audio | 1. Interactive Tests --> Internal Speaker 2. Diagnostics --> Other Devices --> Analog Devices AC97 CODEC Test |
Speaker | Interactive Tests --> Internal Speaker |
PC Card slots | Diagnostics --> Systemboard --> PCMCIA PCMCIA External |
Keyboard | 1. Diagnostics --> Systemboard --> Keyboard 2. Interactive Tests --> Keyboard |
TrackPoint or pointing device | If the TrackPoint does not work check the configuration in the ThinkPad Configuration program. If the TrackPoint is disabled select Enable to enable it. After you use the TrackPoint the pointer may drift on the screen for a short time. This drift can occur when a slight steady pressure is applied to the TrackPoint pointer. This symptom is not a hardware problem. If the pointer stops after a short time no service action is necessary. If enabling the TrackPoint does not correct the problem continue with the following: v Interactive Tests --> Mouse |
Hard-disk drive | Diagnostics --> Fixed Disks |
Diskette drive | 1. Diagnostics --> Diskette Drives 2. Interactive Tests --> Diskette |
CD-ROM or DVD drive | 1. Diagnostics --> Other Devices--> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test |
(continued)
FRU | Applicable test | |
Memory | 1. 2. 3. | If two DIMMs are installed remove one of them and run Diagnostics --> Memory Test - Quick. If the problem does not recur return the DIMM to its place remove the other one and run the test again. If the test does not detect the error run Diagnostics --> Memory Test - Full. |
Fan | 1. 2. | Turn on the computer and check the air turbulence at the louver near the power switch. Run Diagnostics --> Other Devices --> IBM Fan. |
Fn key combinations
The following table shows the function of each combination of Fn with a function key.
Key combination | Description |
Fn+F1 | Reserved. |
Fn+F2 | Reserved. |
Fn+F3 | Turn off the LCD display leaving the screen blank. To turn the LCD display on again press any key or the TrackPoint stick. |
Fn+F4 | Turn standby mode on. To return to normal operation press the Fn key independently without pressing a function key. Notes: 1. This mode is called suspend mode in Windows NT. 2. In Windows XP and Windows 2000 this combination of buttons functions as a sleep button. The user can change the setting so that pressing it puts the computer into hibernation mode or even shuts the computer down. |
Fn+F5 | Note: This function is supported only in X31 series. X30 series does not have this function. Enable or disable the built-in wireless networking features (the IEEE 802.11 standard) and the Bluetooth features. If this combination of keys are pressed a list of wireless features is displayed in the Wireless Radio Control window. The user can quickly change the power state of each feature in the list. Note: This function is supported in Windows XP Windows 2000 and Windows 98. |
(continued)
Key combination | Description |
Fn+F6 | Reserved. |
Fn+F7 | Switching a display output location Switch between the computer display and an external monitor (CRT). If an external monitor is attached computer output is displayed in the following three patterns by turns: |
| v CRT display v Computer display + CRT display v Computer display |
| Notes: |
| 1. For any operating system other than Windows XP or Windows 2000 no addtional procedure is needed. Just press Fn+F7. 2. This function is not supported if different desktop images are displayed on the computer display and the external monitor. 3. This function does not work while a DVD movie or a video clip is playing. 4. To enable this function in Windows 2000 and Windows XP do the following: a. Start Windows 2000 or Windows XP and log on to the system. b. Press Fn+F7 and select a display-switching function in the Initial setup window. Applying a presentation scheme Apply a presentation scheme directly with no need to start Presentation Director. To enable this function do the following: Note: This function is supported only in Windows 2000 and Windows XP. 1. Start Windows 2000 or Windows XP and log on to the system. 2. Press Fn+F7. The Initial setup window opens. 3. Select a presentation scheme function for the Fn+F7 key combination. The setting window opens. 4. Select the optional setting. |
Fn+F8 | Turn screen expansion on or off. (There is no symbol on the key.) Note: This function is not supported in Windows XP and Windows 2000. |
(continued)
Key combination | Description |
Fn+F9 | Note: This function is supported only in X31 series. X30 series does not have this function.Opens the IBM ThinkPad EasyEject Utility screen. Buttons for the following choices are displayed: |
| v Eject ThinkPad PC from Dock: This button is displayed only if the ThinkPad computer have been attached to a ThinkPad Dock II or a ThinkPad Dock. You can detach the computer from the ThinkPad Dock II or the ThinkPad Dock. v Eject ThinkPad PC from X3 UltraBase: This button is displayed only if theThinkPad computer have been attached to X3 UltraBase. You can detach the computer from the X3 UltraBase. v Eject ThinkPad PC from Mini Dock: This button is displayed only if theThinkPad computer have been attached to ThinkPad Mini Dock and been connected one or more USB devices to the ThinkPad Mini Dock. You can use it to stop and remove all the USB devices. v Run EasyEject Actions: User can select stop and remove external devices connected to the ThinkPad computer. v Configure EasyEject Actions: User can open the IBM ThinkPad EasyEject Utility main window. v Fn+F9 Settings: User can configure the settings for the Fn+F9 function. Note: This function is supported only in Windows XP and Windows 2000. |
Fn+F10 | Reserved. |
Fn+F11 | Reserved. |
Fn+F12 | Turn hibernation mode on. To return to normal operation press the power button for less than four seconds. Note: To use Fn+F12 for hibernation in Windows XP and Windows 2000 the IBM PM device driver must have been installed on the computer. |
Fn+PgUp | Turn the ThinkLight on or off. Note: This function is supported only on the ThinkPad computer that have the ThinkLight. The on or off status of the ThinkLight is shown on the screen for a few seconds when the user press Fn+PgUp. |
Fn+Home | The LCD becomes brighter. |
Fn+End | The LCD becomes less bright. |
Fn+Spacebar | Enable the FullScreen Magnifier function. |