Sony VGN-FW170J - Manual (Page 156)

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Troubleshooting
Display
Why did my screen go blank?
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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 101) for more information.
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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 pack is installed properly and is charged. See Using the
Battery Pack (page 22) for more information.
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If the display mode is set to the external display, change it to your computer screen. See Selecting Display Modes (page
81) for more information.
What should I do if no image is displayed on my TV screen or external display connected
to the HDMI port?
Make sure you are using an HDCP-compliant display. The copyright protected contents are not displayed on a non-HDCP
compliant display. See
Connecting a Computer Display (page 75) for more information.