touch pad while typing or using the touch pad.
The built-in keyboard accepts no input -
If you are connecting an external keyboard to the
system, the built-in keyboard may not work.
Try restarting the system.
The characters on the screen repeat while I type.
You may be holding the keys down too long while
you’re typing.
Keep the keyboard clean. Dust and dirt under the keys
could cause them to stick.
Configure the keyboard to wait longer before the auto
repeat feature starts. To adjust this feature, Go to [Start >
Settings > Control Panel], and double-click the Keyboard icon. A
dialogue box shows up with the adjustable settings for the
keyboard.
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). You may replace it by yourself.
The battery is located under the System Device Cover on the
bottom of the notebook. See Chapter 4 for more details.
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.