1. Mouse Touch Touchpad. To test the touchpad, you open a photograph of any of the photo folder and perform hand manipulation such as pinch to zoom in or out, rotate 2 fingers, put three fingers on the touchpad and then drag left or right (three-finger flicking , if supported). Alternatively, you can also go to the Control Panel, Chon Mouse to see the touchpad manufacturer and supported hand manipulation. If the mouse button is part of the touchpad, they should also be tested to ensure easy pressing and distinguishing good left mouse and right mouse. 2. Keyboard The keyboard is heavily used in computer-based tasks, including simple to complex tasks. Before deciding to buy a computer, then you need to consider whether the keyboard is loose, which is put together so that you feel the Please ignore that machine if you notice any of the above signs. 3. Webcam Firstly, you need to open the Start menu and search for your computer's webcam software. Then check that your images on the webcam are clear and easy to see not. A few lines of machines can have utility features that come with the webcam so you also need to see through. 4. Monitors A screen with guaranteed quality allows you to have the surfing experience and watch movies on the most amazing machines. To check, you proceed as follows: Open the Web browser and try a video on Youtube. With no Internet connection then you can open a sample clip of Microsoft in folder Videos instead. While running a video, you can fold the screen out before and after, and move your location to see if the color is beautiful, or the angle has been broad enough. You can also compare the machines next to get more visual remarks. 5. Speakers Try a few tracks in the music menu and turn the volume to a maximum or near maximum to check whether the sound is still in or out of control. Also, look in the Start menu as well as Control Panel control Panel, such as Dolby Digital or Beats Audio that allows you to adjust sound or not.
6. Hard disk Drives Most of the promotional templates for the computer line are highly subject to the hard drive capacity that forgot that the manufacturer and life of the new hard drive are the main factors that determine its operational performance. If you want to check, you open the control Panel, select Device Manager. Click on "Disk Drives" to view the maker and drive code