If the built-in graphics chipset is an NVIDIA graphics chipset, their software includes the ability to specify custom resolutions. First, make sure you have the most up-to-date drivers. Then from the Settings tab in Display Options, click Advanced. Then click the NVIDIA [YOUR GRAPHICS CHIPSET GOES HERE] tab. Look for the option to define custom resolutions; it's in there (sorry I can't guide you to it, my NVIDIA's on another computer right now). Specify 1152x864 at a nice safe refresh rate like 75Hz. Then enjoy! If you want to push the limits, try upping the refresh frequency or the resolution, but if it's an old monitor be careful as you can damage it with too much tweaking. If the screen blacks out, DO NOTHING. WAIT, for about a minute. It will reset itself. If you fried your monitor, I'm sorry, but don't say I didn't caution you :) If it's not an NVIDIA graphics chipset, search Google for "specify custom resolution" or something like that. It's not a hard thing; there are many free programs that do it and if you're comfortable modifying the registry you can even do it in there (though it's trickier than most registry modifications). Good luck, and Merry Christmas!