First Installation · RetroPie/RetroPie-Setup Wiki · GitHub
iPhone 4S Battery Replacement - iFixit
A display driver is software which allows other programs to access and use a . People often use the term "display adapter" in situations where you are referring either to a separate or built into your motherboard. Installing the driver uses the same procedure whether you have a video card or integrated graphics. You must have a display driver installed in order for your display adapter to do anything other than the most basic operations. Most operating systems have a default display driver with limited functionality which will work for most display adapters. In order to use the more advanced features like three dimensional graphics, a full display driver designed for that specific display adapter must be installed. From time to time, the manufacturers come out with new display drivers which fix bugs and improve performance. It's a good idea to get the latest display drivers and install them. In most cases, you do not get your display drivers from the company which manufactured the display adapter. You get your display drivers from the manufacturer of the . Currently that's usually ATI or NVIDIA. The drivers are usually available on the GPU manufacturer's web site. If you just bought a and are installing its display drivers, it's usually best not to use the drivers which came on the driver CD. Those drivers are almost always out of date by the time you get the video card. You should download the latest drivers from the GPU manufacturer's web site.
iPhone 4S Battery Replacement: Replace the battery on your iPhone 4S.
If you have more than one display adapter installed in your computer, then each will appear in the "Display:" list. If your video card has multiple outputs, then they will also appear in this list. In this case, entry number 1 is the primary output of the Radeon 9700 Pro and entry number 2 is the secondary output of the same video card. You only have to install the display driver once for both of the outputs to show up.