Solving System Problems 5-5

LCD Panel Problems
Check the following probl em s to see the possible cause an d solution.
Screen is dark or the display is hard to read.
Adjust the LCD panel brigh tness control settin g . (Note that the
brightness setting returns to the system default setting on power
down.)
Press a key or move the mouse t o ta k e the system out of the power
management mode.
Check that the system AC ada pter power cable is connect ed t o a live
power outlet.
The screen display is fuzzy or flickering; graphics characters or
garbage appears on the screen.
Check that all connections have been made.
Check display proper ti es. Click the right mouse but t on anywhere on
the Windows desktop and a menu appears. Click Properties and the
Display Properties wi n dow appears.
Keyboard/Mouse Problems
Check the following probl em to see the possible cause an d solution.
Mouse or keyboard does not respond.
You might have con nected th e mouse and keyboa rd after tur ning on
your system. Turn the system o ff, make sure the mouse an d k eyboa rd
are connected, and turn th e system back on.
Using the mouse results in erratic or no movement of the cursor on the
monitor screen, even aft er cleaning. Mouse might n eed to be replaced.
Image appears on screen but nothing happens when you use the
mouse or keyb oa rd.
Make sure the keyboard ca ble and mouse cable are firm l y connected
to the rear of the system.
If this does not help, turn off the system, wait five or more seconds,
and turn on the system.