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=blue]
> 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]