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Solving Screen Problems
Problem Possible Cause Solution
Characters on
computer display are
dim.
Computer is in direct
light.
Move the computer or adjust
the screen.
The brightness control is
not set properly.
Adjust the brightness control
by pressing the Fn+F10
hotkeys.
You may have a screen
saver or screen blanking
utility installed.
Press any key to refresh the
screen.
Screen timeout was
initiated.
Press any key to light the
screen.
System initiated Suspend
after a user-defined
timeout expired.
Press the suspend button to
exit Suspend.
Computer initiated a low
battery Suspend or
Hibernation.
Replace the battery pack
and exit Suspend or
Hibernation.
Connect the computer to an
external power source and
exit Suspend or Hibernation.
Power Management,
which controls Suspend
and Hibernation, is
disabled and the battery
pack has discharged.
Replace the battery pack
and turn on the computer.
Connect the computer to an
external power source and
turn on the computer.
Computer screen is
blank and external
monitor displays
information.
Display was switched to
the external monitor.
Press Fn+F4 to display
information on the computer
screen; press Fn+F4 again
to display information
simultaneously on both
screens.
Display switch is stuck. Tap the switch.
Fn+F4 hotkey
combination does not
switch between internal
and external displays.
CRT or other display
device is not connected
properly.
Check your connections to
ensure that an external
device is connected properly.
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Solving USB Problems
Problem Possible Cause Solution