Sony VGN-U750P - Manual (Page 111)

111
Connecting peripheral devices
Connecting a USB mouse
To connect an optional USB mouse, proceed as follows:
1 Choose the USB connector (1) you prefer to use.
2 Plug the USB mouse cable (2) into the USB connector.
You can use your USB mouse (3).
✍
The VAIO USB mouse software driver is preinstalled on your computer; therefore,
you only need to plug the USB mouse into the USB connector and you can start
working.