First things first, you should never buy a used laptop until you get to know you. Try to make sure it works and have responsibilities and duties without delay. Opens a simple program such as Word or Wordpad and control with the keyboard, make sure it works. Try to make sure all the keys that nothing stuck or sticking.

They also want the laptop mouse, the test is usually only a touchpad in front of the spacebar. Move the mouse over a certain time to ensure no delay in response to touch. If there is a lag or delay could mean that the computer is slow and is infected, or that the memory is too full. You can add parameters to the construction sites in the mouse and / or use an external mouse if you wish.

Do not expect too much from a laptop running on battery. Total notebook batteries are not much of a life of several years for batteries that are technologically superior sound. Ask seller a question of how long and if you spend more than one or two hours in the store.

Remember to include the power adapter or laptop, and have no tears in her son. Since AC adapters are always hot, and certainly not as long as the batteries. Make sure the test was good and makes the laptop the whole way.

Try some laptops, the programs you need to find. Most laptops already use programs on your computer. You should look for used laptops already come with which you use to spend more money yet equipped. Larger more expensive programs like Microsoft Office or Adobe Photoshop Studio may need to renew their accreditation. Check him out of the trouble.

Finally, make sure the video card and sound work well. Generally, if there are problems with the internal components of your computer, audio and / or video, the first to go.