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I have a Sony VGN-tx650p laptop. &nbsp;I cannot get the Fn keys to work. &nbsp;I tried (Control Panel/System/Device Manager) to delete the keyboard drivers and then re-booted. &nbsp;they did not respond. &nbsp;I also noticed that my AV Mode buttons are not responding. &nbsp;How to I resolve these problems?
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I have a Sony VGN-tx650p laptop.  I cannot get the Fn keys to work.  I tried (Control Panel/System/Device Manager) to delete the keyboard drivers and then re-booted.  they did not respond.  I also noticed that my AV Mode buttons are not responding.  How to I resolve these problems?

Fn keys Not Working

System Utilities are a type of system software used to support the computer infrastructure, distinguishing it from application software which is aimed at directly performing tasks that benefit ordinary users. Commonly used utilities include password managers, disk managers, system monitors, data synchronization tools, security and antivirus software and editors.