Using the integrated Intel GPU on a Pentium 2020M will probably be a painful experience. You should just keep all your settings at 1x, no enhancements.
Also, try out the latest dev builds or 5.0-rc as they're faster than 4.0.2. Or try the Ishiiruka branch.
Also, try out the latest dev builds or 5.0-rc as they're faster than 4.0.2. Or try the Ishiiruka branch.

