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The mouse of Keyboard model VGP-WKB1/I is not working. My PC is Vaio RA204
Is the mouse working?
Don't take offence - it sounds silly but you have tried changing the batteries?
When you switch it on, are there any icons in the LCD Panel (top right)?
Have a look in Device Manager under Keyboards. Do you have two HID Keyboard Devices? Are there any warnings or errors?
EDIT: I've just re-read your question - is it the mouse that's not working? I presume the keyboard is working OK?
Can you see the red laser?
Have a look in Device Manager under Mice. Do you have a HID-Compliant Mouse shown? Are there any warnings or errors?
And is there a switch on the bottom to deactivate the touchpad?