Acer :: Aspire 5100 Graphics Card RAM

I purchased an Acer Aspire 5100 using it mostly for busines and writing. Now, I'd like to watch some videos, have an webcam, and play games, however, the integrated video card handles none of this well. It's slow and will sputter on something as simple as a short 60 second video clip.

I maxed out the 4GB Ram, thinking that Vista was using too much but it did not help.

Then I discovered this:

Quote:

For gaming, the graphics speed is enhanced care of the ATI Radeon Xpress 1100graphics card, with 128 MB dedicated memory. The card can tap into an additional 384 MB from shared system memory, for a total of 512 MB.

I did some research and found that I could go into the BIOS and change the memory from 128 to 512. I tried it, found the setting, changed it, and thought I'd find success. However, Vista somehow read these actions as an error and a failure to start, and would not start........................