Video memory affect how many colors it can show at higher resolutions. The higher the resolution and color depth, then the more memory you need, because each and every pixel on your screen must have a space in video memory for its data. However increasing from 1MB to 2MB on a 64-bit video card will help performance. Video memory quality is of much greater importance to video speed. This specifies the amount of acceleration you want for your graphics hardware.
Full acceleration is the fastest and is recommended for most computers.
Use only the latest 32-bit drivers. If the drivers that shipped with your video card are not up to date, not optimized, or are unstable, then you may get miserable performance. Install them carefully. 2 Make sure the software is properly installed . Select Start Settings Control Panel Display Settings Change Display Type .