How to fix the error of Nvidia GeForce 9500 GT?

A perfect example of a hardware device that plays a major role in the performance of your computer is the video card, such as NVidia GeForce 9500 GT. But what happens when your NVidia GeForce 9500 GT video card is recognized as an unknown device in Windows XP? What are the possible symptoms and causes of this problem? And what are the practical steps you need to take to fix this problem? These are the questions that we will discuss.

Possible Symptoms and Causes

In most cases, having a graphics card recognized as an unknown device will result in poorer 2D graphics resolution and your computer will not be able to render 3D graphics. This is usually due to an incompatible, outdated, or missing driver. In the case of the missing driver, Windows XP will install a generic video driver, which usually doesn't provide all of the features of the specific video driver.

Sometimes, it may also result in distorted and unrecognizable graphics display or Blue Screen of Death (also called BSOD). Most often, this is due to a corrupt driver.

Practical Steps for Fixing This Problem

The recommended solution is to install the latest version of device drivers, which can be found at the vendor's website. Below are the practical steps that you need to remember to fix the unknown device related problem of the Nvidia Geforce gt 730 video cards.

1) Be Certain of the Device Identity:

This is a precautionary measure that you should take into consideration. You must ensure that you have the correct model/name of your video card, especially if there are multiple unknown devices on your computer. If you install the wrong drivers, you may end up causing even more problems. Follow these steps to confirm the identity:

  • Click Start
  • Right-click My Computer
  • Click Device Manager
  • Right click the Unknown Device
  • Click Properties
  • Select Details tab
  • Browse to Device Instance ID

2) Confirm the Windows XP OS-type:

Common device drivers for Windows XP are compatible for both OS type, either 32-bit or 64-bit OS, but not for all device drivers. So, it is recommended to take note of this information to avoid installing incompatible device drivers. Please follow these steps:

  • Click Start
  • Click Run
  • Type msinfo32.exe
  • Look for System type: It's either x86-Based PC (32-bit OS), or x64-Based PC (64-bit OS)

3) Download Procedures for the Official Vendor's Website:

Knowing the model/name of the graphics card will lead you to the official website of its manufacturer or vendor, the safest place to download the device drivers for any hardware device. Here are the steps to download its drivers:

In the upper left side of the homepage, the first available tab is the “DOWNLOAD DRIVERS” tab. Roll over that portion and selects "Download Drivers" from the provided drop-down list.

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