For Older Hardware to Run on Windows 7 How to Install intel 82845G graphics driver on Window 7

To Install any legacy Video Driver like intel 82845G

• Download the driver for previos OS (Window XP)

• Download Link: http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=8344&lang=eng&OSVersion=Windows%20XP%20Professional*&DownloadType=Software%20Archives

• UnZip it.
  
  
• Go to Device Manger. If there is already 82845G Display adapter, then uninstall it.
  
  
• Click on "Action"..."Add Legacy Hardware"
  
  
• Select "Display adapters". Click on the "Next" button.
  
  
• Click on the "Have Disk..." button and then the "Browse" button.
  
  
• Enter the directory where you unzipped the file you downloaded, and then enter the "Win2000" subdirectory. Highlight the "ialmnt5.INF" file. Click on the "Open" button.
  
  
• Click on the "OK" button. A window listing all of the available display types should open. Select the display adapter that your system contains and then click on the "Next" button.
  
  
• Click on the "Next" button. The operating system will install the driver. Click on the "Finish" button when done.
  
  
• Click on the "Close" button and then click on the "Yes" button to reboot. The driver should now be loaded.

(Get it via the other blog post : http://techiesrahul.blogspot.com/2011/07/how-to-install-intel-82845g-graphics.html)