Can't Install Vista Sp1 On XPS420

I have a 420 and SP1 installed fine after I uninstall the Sigmatel drivers (no sound card)

 

As for services it depends which ones I suppose. Turn them back on temporarily

 

You could always backup your data and do a reinstall using the recovery partition 

 

Let us know how you go!

 

 

 

Make sure you are completely up to date with your updates in Windows Update (including optional ones). There are certain things that Vista needs to have installed before SP1 will install. I have a 420 with the Sound Blaster card and SP1 went on fine after doing all the updates.

Here is some stuff from the MS site..

 

http://support.microsoft.com/kb/948343

I have the Sigmatel sound card and Vista SP1 installed without problems. The only problem I had/have is  an issue with a certain update that fails and it has to do with a 32-bit OS with 4 gb memory. This is a known problem and not a critical update. There have been several work arounds for this error but I have been unable to get any of them to work. I just chose to add it to my hidden updats list for the time being until there is a MS fix.

I had a similar issue, the onboard sound was disabled but the driver was in the Drivers folder. Just find the offending driver from the MS KB article and remove it. Wait a few minutes run windows update and voila you have SP1 :)

 

You could download the 500MB re distributable patch which installs regardless of devices or drivers installed on the system. 

Thanks for all the help and advise guys. I have contacted Microsoft to see what they advise as well. I think my error comes from the services i have disabled in order to free up some more ram.  But will see.