Updating your Video driver
For starters, what exactly does a driver do? Windows uses a driver to help the computer communicate with various gadgets, both internal and external, that are attached to it.You will have to update the video driver when either the Operating System changes, or some new software causes a conflict with your video card driver.
Windows 7 has built-in drivers and will often automatically install a driver when a new device is detected, given that the driver is already in the Windows driver library on the machine. Occasionally, the system might not recognize a new device and so you will be asked to install a driver manually from DVD or from the Internet. To update a driver, you'll need to download its latest version from the video card manufacturer's Web site.
The procedure for updating your graphics card driver is quite easy and it is as follows.
1. Click Start, type 'device manager', then press Enter
2. Expand the tree for 'Display adapters'. You should see an entry that displays the name of the particular graphics card (integrated or discreet).
3. Right-click that entry, then click 'Update Driver Software'.
4. Click 'Search automatically for updated driver software'. Windows then proceeds to locate, download and then install the proper drivers for your video hardware. This software search is conducted via the internet through the Microsoft WHQL library (this is only if 'Windows Update' has been enabled). If your driver software is already upto date, then Windows would display the message that the latest driver is already installed.
An alternative could be for you to visit the desktop/notebook manufacturer's website to download the latest driver.
Similarly, once you know the type of graphics card you have, you can visit the video/graphics card manufacturer's website to download the latest driver. It's always advisable to download the driver version for the card that you have, rather than for some other card, otherwise it could make your system inoperable.
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