With the computer off and the ac line cord unplugged take the cards out and obtain the model number of each card and then go to the manufacturers website and get the latest driver for your operating system.if you cant get online with your pc you will have to download the drivers from another pc and then put them on a flash drive or cd and then insert the flash drive via a usb port or if you have a cd insert it into the cd drive.either way you do it you will have to execute the file you downloaded and let the self installer do the rest and restart the computer if told to.if the drivers installed correctly you should be able to go to the device manager located in the control panel under the system-hardware tabs.You should have no yellow question marks on any of the devices in the list of devices.if you do then double check to make sure you downloaded the right driver.Some devices have different versions so pay attention to any model numbers followed by a ver.# especially ethernet cards.The vga card is either a ati or nvidia.hope this helps and good luck.
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