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Troubleshooting
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Why did my screen go blank?
❑ Your computer screen may go blank if the computer loses power or enters a power saving mode (Sleep or Hibernate). If
the computer is in LCD (Video) Sleep mode, press any key to bring the computer back into Normal mode. See Using the
Power Saving Modes (page 139) for more information.
❑ Make sure your computer is securely plugged into a power source and turned on. Make sure the power indicator shows
the power is on.
❑ If your computer is using battery power, make sure the battery pack is installed properly and is charged. See Using the
Battery Pack (page 25) for more information.
❑ If the display mode is set to the external display, press the Fn+F7 keys. See Combinations and Functions with the Fn
Key (page 34) for more information.