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Chapter 8 Troubleshooting
CMOS Battery Problem
A message “CMOS Checksum Failure” displays during the booting process or the time (clock) resets
when booting
• Try to reboot the system.
• If the message “CMOS Checksum Failure” appears during the booting procedure even after rebooting, it may indicate
failure of the CMOS battery. If so, you need to replace the battery.
This battery normally lasts two to five years. The battery is of type CR2032 (3V). Send the battery to the dealer for
replacement.
Memory Problems
The POST does not show an increased memory capacity when you have already installed additional memory
• Certain brands of memory module may not be compatible with your system. You should ask your vendor for a list of
compatible DIMM.
• The memory module may be defective.
The O/S issues an insufficient memory error message during operation
• This is often a software or Windows-related problem. A program is draining the memory resources.
• Close the application programs you’re not using and restart the system.