User's Manual

44
Keyboard and Touchpad Problems
The built-in touch pad performs errotically
• Make sure there is no excess perspiration or moisture on your
hand when using the touch pad. Keep the surface of the touch
pad clean and dry.
• Do not rest your palm or wrist on the surface of the 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.
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 not be installed properly. Go back to
Chapter 4 to review the details of this operation.
• The memory module may be defective.
The O/S issues an insufficient memory error message during
operation
• This is often a software or Operating System-related problem.
A program is draining the memory resources.
• Close the application programs you’re not using and restart the
system.
• You need to install additional memory module. For instructions,
go to Chapter 4 Upgrading Your Computer.