Table 9. FRU tests (continued)

FRU

Applicable test

 

 

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.

 

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

52ThinkPad X300 Hardware Maintenance Manual

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Lenovo X300 manual Run Diagnostics --ThinkPad Devices --Fan, Interactive Tests --Mouse