IBM ThinkPad T20 Hardware Maintenance Manual page 49

FRU
Diskette drive
CD-ROM or
DVD drive
Memory
Fan
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.
ThinkPad T20, T21, T22 and T23 series
Product overview
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