Fn + F3, F4 & F10 - Volume controll via Function button on Packardbell does not work?

go to the Packard Bell website, a href="http://www.packardbell.com/index.html" rel="nofollow"http://www.packardbell.com/index.html/a and choose your country, go to Support and then Download Centre and pick your product from the series of options presented. Once you have accessed the various downloads for your model you are looking for the Quick Launch software, reload this and your shortcut buttons should work again.