Troubleshooting 8-7
Keyboard, Mouse, and Touchpad Problems
The keyboard does not respond.
z Try connecting an external keyboard. If it works, contact an
authorized dealer, as the internal keyboard cable might be loose.
The numeric keypad is disabled.
z Make sure that the Num Lock is switched on. (Check if the Num Lock
Indicator
glows or not.)
The external keyboard does not work.
z Make sure that the keyboard cable is properly connected.
The USB mouse does not work.
z Make sure that the mouse cable is properly connected.
The touchpad does not work, or the pointer is difficult to control
with the touchpad.
z Make sure that the touchpad is clean.
LAN Problems
I cannot access the network.
z Make sure that the LAN driver is correctly installed.
z Make sure that the LAN cable is properly connected to the RJ-45
connector and the network hub.
z Make sure that the network configuration is appropriate.
z Make sure that the user name or password is correct.
Modem Problems
The modem does not work.
z Make sure that the modem driver is correctly installed.
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