Lenovo ThinkPad i Series 1124 ThinkPad 240 User's Reference that shipped with - Page 110

HDD problems, Infrared communication problems

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Troubleshooting charts HDD problems Problem The computer doesn't boot to the operating system. Action Check the BIOS setup utility and see HDD settings are configured correctly. If the settings are correct and the computer still doesn't boot up, have the computer serviced. Infrared communication problems Problem Your computer cannot communicate with other devices using the infrared port. Incorrect data is sent between your computer and a communicating device. Action Make sure that: The IR function is enabled. The communication speeds are the same. The infrared ports are clean. No objects are between the computer and the communicating device. The distance and angle between your computer and the device is within the set range. The other computer's infrared port complies to the same standard as yours. You are not operating under direct sunlight. The infrared ports are directly facing each other. Communication can be affected by the light from the display on the computer. To avoid this, open the display to a wide angle. The same communications application has to be running on your computer and the other computer. Refer to the application manuals for more information. Make sure that: The distance and angle between your computer and the device is within the set range. The communication speeds are the same. There are no other devices that radiate infrared rays, such as remotecontrolled devices or wireless headphones, near your computer or the communicating device. You are not operating under direct sunlight. No fluorescent lamps are near your computer or the communicating device. 98 ThinkPad 240 User's Reference

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Troubleshooting charts
HDD problems
Problem
Action
The computer doesn't
boot to the operating
system.
±
Check the BIOS setup utility and see HDD settings are configured correctly.
±
If the settings are correct and the computer still doesn't boot up, have the
computer serviced.
Infrared communication problems
Problem
Action
Your computer cannot
communicate with other
devices using the
infrared port.
Make sure that:
±
The IR function is enabled.
±
The communication speeds are the same.
±
The infrared ports are clean.
±
No objects are between the computer and the communicating device.
±
The distance and angle between your computer and the device is within the
set range.
±
The other computer's infrared port complies to the same standard as yours.
±
You are not operating under direct sunlight.
±
The infrared ports are directly facing each other.
Communication can be affected by the light from the display on the computer. To
avoid this, open the display to a wide angle.
The same communications application has to be running on your computer and
the other computer. Refer to the application manuals for more information.
Incorrect data is sent
between your computer
and a communicating
device.
Make sure that:
±
The distance and angle between your computer and the device is within the
set range.
±
The communication speeds are the same.
±
There are no other devices that radiate infrared rays, such as remote-
controlled devices or wireless headphones, near your computer or the com-
municating device.
±
You are not operating under direct sunlight.
±
No fluorescent lamps are near your computer or the communicating device.
98
ThinkPad 240 User's Reference