resolution wont exceed 640x480

Hi, I need some urgent help with a graphics card problem. The driver wont work and I can't get a resolution higher than 640x480. here's the specs on my computer...windows ME1.25 gigahertz AMD Athlon XP128 kilobyte primary memory cache256 kilobyte secondary memory cacheBoard: nVidia-nForce2 Bus Clock: 100 megahertzBIOS: Phoenix Technologies, LTD 6.00 PG 10/07/2003Standard PCI Graphics Adapter (VGA) [Display adapter]Default MonitorGameport Joystick (no joystick connected)MPU-401 Compatible MIDI DevicenVidia WDM A/V CrossbarnVidia WDM TVAudio CrossbarnVidia WDM TVTunernVidia WDM Video Capture (universal)NVIDIA(R) nForce(TM) AudioNVIDIA(R) nForce(TM) Audio Codec Interface hope that's enough information.I'd really really appreciate some help with this.