Lenovo ThinkPad R400 Hardware Maintenance Manual - Page 59

Applicable test, Diagnostics, Other Devices, Optical Drive, Interactive Tests, Advanced Memory Tests

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Table 1. FRU tests (continued) FRU Applicable test Optical drive 1. Diagnostics --> Other Devices--> Optical Drive 2. Interactive Tests --> Optical Drive Test Memory 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Advanced Memory Tests. 2. If the problem does not recur, return the DIMM to its place, remove the other one, and run the test again. Fan 1. Turn on the computer and check the air turbulence at the louver near the PC Card slot. 2. Run Diagnostics --> ThinkPad Devices --> Fan. TrackPoint or pointing If the TrackPoint does not work, check the configuration as device specified in the BIOS Setup Utility. If the TrackPoint is disabled, select Automatic 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. Touch Pad If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse If the Touch Pad does not work, check the configuration as specified in the BIOS Setup Utility. If the Touch Pad is disabled, select Automatic to enable it. If enabling the Touch Pad does not correct the problem, continue with the following: v Interactive Tests --> Mouse General checkout 51

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Table 1. FRU tests (continued)
FRU
Applicable test
Optical drive
1.
Diagnostics
-->
Other Devices
-->
Optical Drive
2.
Interactive Tests
-->
Optical Drive Test
Memory
1.
If two DIMMs are installed, remove one of them and run
Diagnostics
-->
Advanced Memory Tests
.
2.
If the problem does not recur, return the DIMM to its place,
remove the other one, and run the test again.
Fan
1.
Turn on the computer and check the air turbulence at the
louver near the PC Card slot.
2.
Run
Diagnostics
-->
ThinkPad Devices
-->
Fan
.
TrackPoint or pointing
device
If the TrackPoint does not work, check the configuration as
specified in the BIOS Setup Utility. If the TrackPoint is disabled,
select
Automatic
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
Touch Pad
If the Touch Pad does not work, check the configuration as
specified in the BIOS Setup Utility. If the Touch Pad is disabled,
select
Automatic
to enable it. If enabling the Touch Pad does not
correct the problem, continue with the following:
v
Interactive Tests
-->
Mouse
General checkout
51