Below is a guide on where to find the official drivers and which versions are best for your operating system. Official Driver Downloads
Hardware support for DirectX 9.0c and OpenGL 1.5 . Troubleshooting Common Issues gv n66t128d skachat draiver
Ensure the card is firmly in the AGP slot and the 4-pin Molex power connector is plugged in. Below is a guide on where to find