Sony PCG-SR33K - Manual (Page 257)

Troubleshooting the LCD Screen
My LCD screen is blank.
 Verify that the notebook is plugged into a power source and that it is turned on.
 Verify that the power indicator on the notebook is on.
 Verify that the battery pack(s) is inserted properly and that they are charged.
 The notebook may be in LCD (Video) Standby mode. Press any key to activate the screen.
 The display mode may be set to external display mode. Press and hold the Fn key while pressing F7 several
times.
The image on my connected external display is not centered or sized properly.
Use the controls on your external display to adjust the image. See the manual that came with your display for more
information.
I want to change the video resolution of my display.
1. Click Start on the Windows ® taskbar, point to Settings, point to Control Panel, and then click the Display icon.
The Display Properties dialog box appears.
2. Click on the Settings tab.
3. Move the Screen Area slider to change your video resolution.
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