PC-TV Monitor Problems

[Buick455]

Ok i have a Zenith 27inch HDTV w/VGA in bla bla bla
 (WEBSITE = http://www.zenith.com/sub_prod/product_Display.asp?cat=46&id=113 one i bought for the house but then decided mame was more important. I put together a bunch of old parts and some new parts my cousin had left at my house for a computer to run the beast.

Specs:
600mhz p3
448mb ram
128 geforce 4 FX <-- thanx to my cousin, lol
Some SB PCI i had layng around

anyway.. mame runs fine looks great on the POS 15in monitor i had the system hooked to for testing, but when i hooked the Zenith to it Windows looked ok other then some pincushioning, but the pincoushioning in mame was horid the screen was all egg shaped on the sides. i have tryed all i can think of. any help would be great. im losing my mind

TIA big time!

[meta87]

are you running it at 640x480? Have you installed the drivers for the geforce? If so you can probably adjust those settings in the videocard options.