Sony PCV-E302DS VAIO User Manual page 643

Do not keep your wrists on the palmrest while typing; use the palmrest briefly only when resting.
To remove the palmrest
1. Turn the keyboard and palmrest upside down.
2. Push down on the palmrest, and then move it to the left.
3. Lift the palmrest away from the keyboard.
Connecting the Keyboard and Mouse
Follow these steps to connect the keyboard and mouse.
1. Use the dark grey
connector.
2. Use the blue-green
cable into this connector.
symbol to locate the usb connector. Plug the purple keyboard cable into this
symbol to locate the mouse connector and insert the blue-green mouse
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