How to Install a Graphic Card's Driver Without Original Disk

Run DirectX Diagnostic Tool

Applies to Windows Vista

DirectX Diagnostic Tool helps you troubleshoot issues with the DirectX suite of multimedia technologies that come with Windows. If you're having trouble getting game animation or a movie to run properly, you should run DirectX Diagnostic Tool to try to find the source of the problem.

To run DirectX Diagnostic Tool

• Open DirectX Diagnostic Tool by clicking the Start button , typing dxdiag in the Search box, and then pressing ENTER.

Edit step

1

Figure out what is the brand of your graphics card. It could be AMD or Nvidia or any other. After figuring out, note down your model name (if you find it) on a piece of paper with the brand. This will help you remember it.

1. 
   2
   Get a laptop/PC on with internet. Use Google to search  your brand's name and find the website.
2. 
   3
   Search for your model. The website will provide drivers for their cards in their download sections.
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   Download the drivers. After the drivers have been downloaded, run the program and it should automatically install the drivers.

Method 2 of 2: Installing Manually

1. 
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   Install manually if the automatic installation doesn't work.
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   Download the driver software, as listed in the first method. This is the hard part: you must locate the folder of display drivers in the driver software you just downloaded.
   

   • If the software you download is an application, right click and extract it using WinRAR.
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   Go to device manager, right click your graphic card, and click on update.
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   Search manually through your computer to find the driver's .inf file.
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   Select the file. This should force install your graphic card's drivers.