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Troubleshooting 8-9
The hard disk drive in-use indicator glows without blinking.
l The data files stored on the hard disk drive may be fragmented. Use a
tool such as Window’s Disk Defragmenter to defragment the files.
Keyboard, Mouse and Touchpad Problems
The keyboard does not respond.
l Try connecting an external keyboard. If it works, contact the
authorized dealer, as the internal keyboard cable might be loose.
The numeric keypad is disabled.
l Make sure that Num. Lk is switched on. (Check if the Num. Lk LED
Indicator lights green or not.)
The external keyboard does not work.
l Make sure that the keyboard cable is properly connected.
The PS/2 mouse does not work.
l Make sure that the mouse cable is properly connected.
l Make sure that the pointing device is enabled in the SCU program.
The serial mouse does not work.
l Make sure that the mouse cable is properly connected.
l Make sure that you connect the mouse before booting the computer.
l Make sure that the serial port is enabled in the SCU program.
The touchpad does not work, or the pointer is difficult to control
with the touchpad.
l Make sure that the touchpad is clean.