Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 55

Fn key combinations, The following table shows the function of each combination - thinkpad a31 test

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Product overview FRU TrackPoint or pointing device Applicable test 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. CD-ROM or DVD drive Fan If enabling the TrackPoint does not correct the problem, continue with the following : v Interactive Tests --> Mouse 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test 1. Turn on the computer and check the air turbulence at the louver near the power switch. 2. Run Diagnostics --> Other Devices --> IBM Fan. Fn key combinations The following table shows the function of each combination of Fn with a function key. The Fn key works independently from the operating system. Key Description combination Fn+F1 Fn+F2 Reserved. 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 95 and Windows NT. 2. In Windows 2000, this combination of buttons functions as a sleep button. The customer can change the settings so that pressing it puts the computer into hibernation mode or even shuts the computer down. (continued) ThinkPad A30, A30p, A31, A31p 51

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FRU
Applicable test
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
CD-ROM or
DVD drive
1.
Diagnostics --> Other Devices -->
CD-ROM/DVD
2.
Interactive Tests --> CD-ROM/DVD Test
Fan
1.
Turn on the computer and check the air
turbulence at the louver near the power
switch.
2.
Run
Diagnostics --> Other Devices -->
IBM Fan
.
Fn key combinations
The following table shows the function of each combination
of Fn with a function key.
The Fn key works independently from the operating
system.
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 95 and Windows NT.
2.
In Windows 2000, this combination of buttons
functions as a sleep button. The customer can
change the settings so that pressing it puts
the computer into hibernation mode or even
shuts the computer down.
(continued)
Product overview
ThinkPad A30, A30p, A31, A31p
51