Sony PCG-R505ELK - Manual (Page 180)

My touchpad does not work properly.
 You may have disabled the touchpad without connecting a mouse to the computer. To enable the touchpad:
1. Press the Windows key and use the arrow keys to select Programs. Press the Enter key.
2. Use the arrow keys to select Sony Notebook Setup, and press the Enter key
3. Select Sony Notebook Setup again, and press the Enter key.
4. Use the arrow keys to select the Touchpad tab, and press the Tab key to select Enable Touchpad
5. Press the Enter key.
 Restart the computer to activate the touchpad again.
 If your touchpad is interpreting a single tap as a double-click, adjust the button assignments. Follow these steps:
1. Press the Windows key and use the arrow keys to select Settings. Press the Enter key.
2. Use the arrow keys to select Control Panel, and then press the Enter key.
3. Select Mouse, and then press the Enter key. The Mouse Properties dialog box appears.
4. Make sure the Buttons tab is open, and change the button assignments in the Mouse Properties dialog
box.
 If you are still experiencing problems, check that another mouse was not installed.
 You may need to use your Driver Recovery CD to reinstall the mouse drivers. See Using the Application Recovery
CD(s) for more information.
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