yes I believe that is the reason too.. .but more information can be found
here
http://support.microsoft.com/kb/948343
"Michael Walraven" <mexxwalraven@xxxxxx> wrote in message
news:69F82CBA-26CA-4D4A-8B5E-8E49FF97BF94@xxxxxx
Quote:
> On a Dell machine (mine is XPS410) I would suspect that you need to
> install the latest driver for your on-board audio driver especially if is
> an SigmaTel driver.
>
> Michael
>
>
> "AndrewG" <docepac@xxxxxx> wrote in message
> news:1dc1b94f-02ef-4008-90f4-1671f7130aae@xxxxxx Quote:
>> I have a Dell laptop that's about a year old and a new Dells XPS
>> desktop that I got in April just before PCs started shipping with
>> SP1. Both machines have VISTA Ultimate. I have my Windows Update set
>> to notify me when new updates become available, but not to install
>> automatically. I have never received notification of SP1 on either
>> machine. Shouldn't it have come through by now?
>