Display, Why did my computer screen go blank, Why doesn't my computer screen display a video – Sony VGN-TX850P User Manual
Page 173: What should i do if my computer screen is dark
173
Troubleshooting
Display
Why did my computer screen go blank?
❑
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
❑
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 is installed properly and is charged. See Using the Battery
Pack
for more information.
❑
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 and the external display is disconnected, you cannot display a video
on your computer screen. Stop video playback, change the display output to the computer screen, and then restart video
playback. See Selecting Display Modes
. Alternatively, you can press the Fn+F7 keys to change the display
output. See Combinations and Functions with the Fn Key
for more information.
What should I do if my computer screen is dark?
Press the Fn+F6 keys to brighten your computer screen.