Lenovo ThinkPad A21e TP A21e, A22e Hardware Maintenance Manual (June 2001) - Page 48

Fn key combinations, The following table shows the function of each combination - ibm memory

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FRU Diskette drive CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. Diagnostics --> Diskette Drives 2. Interactive Tests --> Diskette 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Memory Test - Quick. 2. If the problem does not recur, return the DIMM to its place, remove the other one, and run the test again. 3. If the test does not detect the error, run Diagnostics --> Memory Test - Full. 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 Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6 Description Reserved. Reserved. Turn off the computer display, leaving the screen blank. To turn the computer display on again, press any key or the TrackPoint stick. 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. You can change the settings so that pressing it puts the computer into hibernation mode or even shut the computer down. Reserved. Reserved. (continued) 44 ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)

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FRU
Applicable test
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
Memory
1.
If two DIMMs are installed, remove one of
them and run
Diagnostics
-->
Memory
Test - Quick
.
2.
If the problem does not recur, return the
DIMM to its place, remove the other one,
and run the test again.
3.
If the test does not detect the error, run
Diagnostics
-->
Memory Test - Full
.
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 computer display, leaving the screen
blank. To turn the computer 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. You can
change the settings so that pressing it puts
the computer into hibernation mode or even
shut the computer down.
Fn
+
F5
Reserved.
Fn
+
F6
Reserved.
(continued)
Product overview
44
ThinkPad A21e, A22e, i 1800 (MT 2655/2663/2664)