Section 2 TROUBLE SHOOTING
2-9
CMOS Problem
A message “CMOS Checksum Failure” displays during
the booting process -
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Try to reboot the system.
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If the message “CMOS Checksum Failure” appears
during the booting procedure, it may indicate failure of
the CMOS battery. If so, you need to replace the battery.
This battery normally lasts one to two years on
continuous operation. However, for a typical user, the
battery lasts three to five years. The battery is of type
CR2025 (3V). You may replace it by yourself. The
battery is located underneath the keyboard. See Section
4 on how to remove the keyboard. If you are not sure
how this i s done, return the notebook to the dealer.
Infrared Problems
The infrared communication port does not work -
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The system supports fast IR transmission.
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Windows NT 4.0 does not support infrared devices.
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Remove any objects that sit between the communicating
path.
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Make sure the communicating devices are not more
than 1 meter apart and are aligned in a straight-line
fashion.
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Go to [Start > Settings > Control Panel > System >
Hardware > Device Manager] and click Infrared devices
icon. If there is a yellow or red mark, the device may
have resource conflict. See Windows on-line Help for
instructions on how to resolve the device conflict.