When i boot up,get 1 long beep,two short beeps,no picture,went back to built in Nvidia came with computer,that works fine have a Nvidia GeForce 8600 GTS 256MB RAM,PCI

how did you check the leads from motherboard to the hard drive if you went back to the built in navidia and everything worked alright obvisously the beeps are windows searching for some hardware it could be RAM cd/dvd hard drive or motherboard all of these must have secure connections for the computer to work how did you check the leads from motherboard to the hard drive if you went back to the built in navidia and everything worked alright obvisously the beeps are windows searching for some hardware it could be RAM cd/dvd hard drive or motherboard all of these must have secure connections for the computer to work

they are all secure,didn't find any loose connections,after that i did try seperate video card,but same thing,so i went back to built in one,worked,no beeps,so far they are all secure,didn't find any loose connections,after that i did try seperate video card,but same thing,so i went back to built in one,worked,no beeps,so far

the one you you are trying to use might be the problem faulty or might be installed properly
Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers
if your computer came with a motherboard disc the drivers could be on it
cnetdownload.com on the home page you should see the download software finder under that there will be a list platform, category sub category price from the category drop down list select drivers then from the price drop down list select free or which ever applies to your need or major geeks download this graphics driver this will depend on your operating systemhttp://download.cnet.com/%7Bvalue=http:/...
This is a WHQL release from the Release 260 family of drivers. This driver package supports GeForce 6, 7, 8, 9, 100, 200, 300, and 400-series desktop GPUs as well as ION desktop GPUs. What's new in this version: Supports the newly released GeForce GTX 580 and GeForce GTX 570 GPUs Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. the latest Release 260 drivers Adds ambient occlusion support for one of the most popular games of the year: Starcraft II: Wings of Liberty. Ambient occlusion improves the quality of lighting, shadows, and depth perception in many parts of the game hope this helps the one you you are trying to use might be the problem faulty or might be installed properly Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers if your computer came with a motherboard disc the drivers could be on it cnetdownload.com on the home page you should see the download software finder under that there will be a list platform, category sub category price from the category drop down list select drivers then from the price drop down list select free or which ever applies to your need or major geeks download this graphics driver this will depend on your operating system http://download.cnet.com/%7Bvalue=http://www.download.com/ati-catalyst-display-driver/3000-2108_4-10608736.html This is a WHQL release from the Release 260 family of drivers. This driver package supports GeForce 6, 7, 8, 9, 100, 200, 300, and 400-series desktop GPUs as well as ION desktop GPUs. What's new in this version: Supports the newly released GeForce GTX 580 and GeForce GTX 570 GPUs Increases performance for GeForce 400 Series and 500 Series GPUs in several PC games vs. the latest Release 260 drivers Adds ambient occlusion support for one of the most popular games of the year: Starcraft II: Wings of Liberty. Ambient occlusion improves the quality of lighting, shadows, and depth perception in many parts of the game hope this helps