Sony PCG-R505JL - Manual (Page 67)

Troubleshooting
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❑ 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.
My LCD screen continues to show the previous screen.
Press the Windows key and D key twice to refresh the screen.
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, point to Settings, point to Control Panel, then double-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.
Troubleshooting the Mouse and Touchpad
My mouse does not work.
❑ If you are using an optional Sony PCGA-UMS1 series USB mouse, verify
that the mouse is plugged into the USB port. See “Connecting a USB
Device” in the online user guide for more information.
❑ If you are still experiencing problems, use your supplied Driver Recovery
CD to reinstall the mouse drivers. See “To use the Driver Recovery CD(s)”
on page 55 for more information.
My touchpad does not work properly.
❑ You may have disabled the touchpad without connecting a mouse to the
notebook. To enable the touchpad:
1 Press the Windows key and use the directional arrow keys to select
Programs, and then Sony Notebook Setup.
2 Select the Touchpad tab using the arrow keys.