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Troubleshooting
Display
Why did my computer screen go blank?
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Your computer screen may go blank if the computer has lost power or has entered a power saving mode (Standby or
Hibernate). If the computer is in LCD (Video) Standby mode, press any key to activate the computer screen. See Using
the Power Saving Modes
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Make sure your computer is securely plugged into a power source and turned on. Make sure the power indicator shows
the power is on.
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If your computer is using battery power, make sure the battery is installed properly and is charged. See Using the Battery
Pack
for more information.
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If the display mode is set to external display, press the Fn+F7 keys. See Combinations and Functions with the Fn Key
for more information.
Why doesn't my computer screen display a video?
If the external display is selected for the display output with the Fn+F7 keys and the external display is disconnected, you
cannot display a video on your computer screen. Stop video playback, press the Fn+F7 keys to change the display output to
the computer screen, and then restart video playback.
What should I do if my computer screen is dark?
Press the Fn+F6 keys to brighten your computer screen.