Sony VGN-TT190EIN - Manual (Page 205)

205 n N
Troubleshooting
Display
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 144) for more information.
❑ Make sure your computer is securely plugged into a power source and turned on and the power indicator light is lit.
❑ If your computer is using battery power, make sure the battery pack is installed properly and is charged. See Using the
Battery Pack (page 24) for more information.
❑ If the display output is directed to the external display, press the Fn+F7 keys. See Combinations and Functions with
the Fn Key (page 33) for more information.
What should I do if no image is displayed on my TV screen or external display connected
to the HDMI port?
!
This Q & A entry applies to selected models with the HDMI port only. See the online specifications to find out whether your computer is equipped with
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 92) for more information.
❑ Another external display may be connected to the monitor port on your computer. Press the Fn+F7 keys to change the
display output. See Combinations and Functions with the Fn Key (page 33) for more information.