1. Update your video drivers (sometimes can only use ones from your laptop support site, unless you installed a fresh copy of Windows that the laptop manufacturer didn't modify)
2. right click the main oblivion.exe and click the compatibility tab and tick the box "disable desktop composition" and save that
3. If you had STEAM (doesn't sound like it) you could VERIFY INTEGRITY OF GAME CACHE
4. Make sure all UPDATES applied. Steam does this for you; if you installed from a disc then go here:
http
/support.bethsoft.com/patches.php