Problems can arise when your hardware device is too old or not supported any longer TechPowerUp, Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games GPU-Z, OSSupport:Windows 2K/XP/Vista Size:378 KB * Online BIOS submission dupecheck now actually works * More changes to G70/G71 ROP/shader detection code (never ending story) * G71 AGP is now 90nm instead of 110nm * If default clocks on NVIDIA can not be determined via BIOS, try fallback via driver * Better driver communication to NVIDIA driver * Corrected shader detection for softmodded R300, R480 cards * Known issue: NVIDIA SLI status can not be detected under VistaGPU-Z is a lightweight utility designed to give you all information about your video card and GPU TechPowerUp, Main Features * Support NVIDIA and ATI cards * Displays adapter, GPU and display information * Displays overclock, default clocks and 3D clocks (if available) * Validation of results * No installation required * Support for Windows 2000 / XP / Vista (both 32 and 64 bit versions are supported)It is highly recommended to always use the most recent driver version available GPU-Z, This will help if you installed a wrong driver TechPowerUp, Try to set a system restore point before installing a device driver GPU-Z,