FRU
Applicable test
Diskette drive
1. Diagnostics --> Diskette Drives
2. Interactive Tests --> Diskette
CD-ROM, DVD,
CD-RW or
CD-RW/DVD
combo 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.
Product overview
ThinkPad T20, T21, T22 and T23 series
47
Содержание ThinkPad T21
Страница 4: ...iv ThinkPad T20 T21 T22 T23 MT 2647 2648...
Страница 44: ...Checkout guide 38 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Страница 83: ...9 8 7 7 8 9 10 9 continued Removing and replacing a FRU ThinkPad T20 T21 T22 and T23 series 77...
Страница 132: ...6 5 4 7 5 3 continued Removing and replacing a FRU 126 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Страница 145: ...v Make sure that the release button works correctly Removing and replacing a FRU ThinkPad T20 T21 T22 and T23 series 139...
Страница 181: ...Notices ThinkPad T20 T21 T22 and T23 series 175...
Страница 182: ...Part Number 62P9631 1P P N 62P9631...