How to install nVidia drivers?

Hi all Im proberbly not in the right section but Im having a few problems can anyone help please
Lappy is a Dell XPS M1330
Intel core 2 T7500 2.2Ghz 4gig Ram
Nvidia GeForce 8400M GS
HDD 320
1 64bit system installs but wont let me do updates so now using 32bit thats ok
2 How do I update drivers? My screen seems to have ghosting around the edges
3 On firefox when scrolling down the page its jerky Ive used firefox on most of my Pcs and never had this problem Im duel booting ubuntu and suse and using the internet on ubuntu
so far other than these problems suse is fine

If im in the wrong section Mods please move me Sorry
Thank you

I moved this thread.

Please, you knew it was in the wrong area to start with. Forcing moderators to move a thread messes up things for our NNTP users. Please spend the extra 20 seconds it takes next time to post in the right area.

Thankyou.

Sorry oldcpu It wont happen again :frowning:

You could take a look at this theoretical / practical guide (post#2 in the following link/thread): openSUSE Graphic Card Practical Theory Guide for Users - openSUSE Forums

Hopefully after having reviewed post#2 in that link, you will be able to understand better any recommendations given to you in this thread.