Intel(R) 82845G/GL/GE/PE/GV Graphics Controller...

You can download the motherboardaudio and device drivers from Intel WEB site. Select your model motherboard/device, andmake sure you select the Windows XP or Vista version of the drivers thatmatches your Windows operating system. Please click on this link andselect your model motherboard : -http://downloadcenter.intel.com/default.aspx?iid=gg_support-au+home_downloadctr

Here you go! :)
http://download.cnet.com/Intel-R-82845G-GL-GE-PE-GV-Graphics-Controller/3000-2108_4-82808.html

If you have installed an additional graphics card it is OK to disable the 82845G. If not, then the 82845G should not be disabled.

82845 is not supported by vista, however, there is a workaround which can be found at :

http://it.megocollector.com/?p=78

try this link and let me know
http://download.cnet.com/Intel-R-82845G-GL-GE-PE-GV-Graphics-Controller/3000-2108_4-82808.html?tag=untagged
Please let me know how this worked for you and please do not forget to grade my assistance so I am able to continue to provide you with better service. I will be working with you to conclusion of the issues.

Video Card : Intel Corporation 82845G/GL/GV/GE/PE Integrated Graphics Device
Some other info:
Operating System : Microsoft Windows XP Professional 5.01.2600 Service Pack 2
Processor : Intel Pentium 4 @ 2800 MHz
Chipset : Intel i845G
Mainboard : Unspecified P4I45Gx_PE,
Manufacturer : Unspecified
Bios : American Megatrends Inc.
Physical Memory : 2048 MB DDR-SDRAM

THERE!!!! http://www.soft32.com/download_173342.html Here are the drivers. hope it works

audio driver

http://www.soft32.com/download_173342.html

I'm using Dell Latitude C640 and when I'm playing games especially Need for Speed Hot Pursuit it's becomes slow . Can you help me correct this. Thank you.

http://developer.intel.com/support/graphics/intel915g/sb/CS-016497.htm Download the latest driver should solve it. Let me know how you get on.