thanks dean, I tried downloading the first update, notebook control device
but for some reason, it still says that the update is not intended for my
computer model. i reset the bios and i got my screen brightness up but i
still cant use the key to control the brightness.

"Dean-Dean" wrote:
[color=blue]
> Addendum (sorry):
>
> Also, you should download and install this, perhaps before the VAIO® Event
> Service Update (making the VAIO® Event Service Update number 6):
>
> [url]http://esupport.sony.com/US/perl/swu-list.pl?mdl=VGNAX570G&UpdateType=Updates[/url]
>
> 5. Sony® Utilities DLL Update (07/17/2006)
>
> "johnny3352" wrote:
>[color=green]
> > I have a sony vaio laptop vgn-ax570g after installing vista home premium, the
> > fn hotkey does not work, so I can't adjust screen brightness. tried
> > installing sony updates, but whenever I try, the update states that it does
> > not recognize my model number, even though the updates are for my model
> > number. one update even said that the update I was trying to download was
> > for windows vista only, which is what I have, and it did not let me load it.
> > sony support sucks. any ideas??[/color][/color]