I have a VGN-A417M laptop and the buttons dont function anymore.
Remember reading somwhere that you can lock or unlock them and fear i might have locked them by mistake.
Unfortunately i can not figure out how to unlock them again. 
Can anyone please help me?
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Hi yvesleon
Welcome to Club Vaio, 
Your problems sound as though they Sony Utlities related..
Download the Original Utilities Package for your A417M from Vaio-Link, once downloaded extract and then install the following, in order.
1 Sony Utilities (Utils Installer 1)
2 Sony Shared Library (Utils Installer 2)
3 Vaio Event Service (Utils Installer 7)
Once completed then re-boot your vaio.
You may have to do this more than once..:smileywink:
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