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Solving Screen Problems
Problem
Screen is blank
(
) .
continued
Screen is blank and
the power/suspend
light is blinking.
Screen is blank, and
the power/suspend
light and battery light
are both blinking.
Computer screen is
blank and the
external monitor
displays information.
External monitor
does not display
information.
Display on an
external monitor is
distorted.
17-22 Troubleshooting
Continued
Possible Cause
Screen has
overheated.
System is in Suspend. Press the suspend
System is in Suspend
and has entered a
low-battery condition.
Display is switched to
the external monitor.
External monitor was
connected after the
computer was turned
on.
The external monitor
signal cable or power
cord is not properly
connected.
Incorrect display
device drivers are
installed or incorrect
resolution is set.
Solution
If computer is in direct
sunlight, move it and
allow it to cool off.
button to exit Suspend.
Enter your power-on
password if prompted.
Immediately connect the
computer to an external
power source or replace
the battery pack.
Press Fn+F4 to switch to
the computer display.
Press Fn+F4 to switch to
the external monitor.
Verify the cables are
properly connected.
Double-click the Display
icon in Control Panel,
click the Settings tab,
and set the correct
display type and
resolution for the external
monitor.
Continued
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