Vista SP1 didn't break anything. Everything is working better or at least not worse as it should, unless you are one of those unlucky folks who has the update crash halfway.
Soundblaster X-Fi users need to upgrade to latest drivers before patching to SP1 and may need to tweak a bit to get rid of a "no sound on video playback" issue.
Turn off virus scans before updates. They can do wonders to the stability of your system during such a big update.
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Nvidia has more issues with Vista than ATI, especially with 8000+ series and especially with SLI, that are not resolved completely yet after 1 year.
Things to ask yourself:FPS: In crowded areas such as DA where there are up to 100+ ppl, my FPS drops to about 10-11. Same can be said in whitegate I get around 10-11FPS. Doing small manned events, I get the 29 FPS like I should be.
However, i will tell you that I am running windows vista. I had windows XP running on a laptop with slightly worse specs than the ones I listed above and I almost always had 29 FPS and I saw HNMs like Fafhogg pop yellow longer than I do currently with Vista. The game performance between vista/xp is huge. I can't even dual box anymore with Vista, but on windows XP I could do it with no problem or lag.
Are the game settings identical? Vista tends to have more stuff running in the background slowing everything down. The bottleneck may not be your graphics card. Are you running a lot of background programs? Laptops have a annoyingly bad habit to run a lot of programs.
Do you have the power savings feature set to Performance?
What brand is your laptop? Some vendors have more problems than others.
How big is your page file? And where is it located?
Do you have DreamScene installed? Nvidia's release notes stated that their drivers have issues with it.
How long do you have Vista running? This affects SuperFetch. If you disabled it with 3GB RAM, then it is kind of silly. Program startup times will be slow initially but will pick up after you run Vista for a couple of weeks.
Vista has known issues with Nvidia's SLI. Using SLI on Vista may perform worse than using a single card. This is in the Nvidia driver readme.
Are the drivers for all your components working well? In particular, your sound card? A hiccup in any part of the system can cause everything to crawl. Creative's support for Vista ain't too great.
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By comparison, XP has been around so much longer and has more stable drivers for everything.
Why does Vista suck in this respect? They changed the driver architecture in Windows and some vendors apparently have a lot of issues with the new system. Microsoft should have done a better job with the driver testing and vendor education. Well and Vista can be a resource gulper.
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Well, update to SP1 to see if it helps.
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