Using Special-Function Buttons - Sony VAIO VGN-GS Series User Manual And Instruction Manual

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You can disable/enable the touch pad while a mouse is connected to your computer. To change the touch pad settings, click Start, All Programs, VAIO
Control Center, Keyboard and Mouse and Pointing Device.
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Be sure to connect a mouse before disabling the touch pad. If you disable the touch pad before connecting a mouse, you will be able to use only the
keyboard for pointer operations.

Using Special-function Buttons

Your computer is equipped with special buttons to help you use specific functions of the computer.
IRX-4590_BGN
US model_BGN
Special-function button
S1 button
*1
Drive eject button
Functions
By default, the S1 button turns the volume on and off.
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The default button assignment may be different from the above. To change the S1 button assignment, press and hold the
button or launch and navigate through the VAIO Control Center to display the setup window. See the help file included with
the VAIO Control Center for the S1 button assignment.
Ejects the optical disc drive tray.
If this button does not work, try the substitute drive eject button on the optical disc drive.
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If you disable the drive eject button in the BIOS setup screen, the button works as the S2 (muting) button.
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Using Your VAIO Computer