What to know before buying a laptop

Want to change the laptop? However, it is sometimes difficult to know what are the essential to have a robust computer functions. A list for you the necessary check before buying criteria.

The processor

To select a computer, it must learn to decipher the information on the data sheets. Starting with those for the processor, real brains of the computer.
For primary use (internet, office, multimedia), input-end processors like Celeron and Intel Pentium or AMD Sempron and Athlon are excellent. If you are looking for more power, choose a model with an Intel Core i5 or i7, or AMD Phenom. However, expect to pay more for your laptop ($ 800 minimum).

RAM

Today, the majority of portable display RAM 4 GB, which allows to consider comfortable use Windows 7.'s Equipped with 2 or 3 GB models are they provided to avoid? Yes, if they exceed € 500. because would be a bad deal.
The hard drive
The storage capacity of 500 GB is the minimum that can be found today in Laptop, with the exception of netbooks.

If the laptop is to be your primary machine and  if you store many photos and videos, see more. Without trying too, there are models with 750GB or 1000GB (1TB) below € 500. However, at this price, the processor is necessarily a model input range.
Do not overlook the speed of the hard disk: models 7200 rev / min are preferable to those limited to 5400.

The graphics card

As for processors, there are different models of more or less powerful graphics cards. A powerful card can lighten the work of the main processor, for example, when encoding video. Also check if the graphics card has a dedicated memory.
If the data sheet not evoked is that there are none. Dedicated video memory, especially if it is comfortable (1 GB or 1024 MB, for example), is useful for avoiding some computer slowdowns with 3D games.

Associated facilities

Some elements, once rare on laptops, are now almost generalized.
If you do not find the model you want to buy, go your way, unless you get a substantial discount. A laptop worthy of the name must have a webcam, three USB ports minimum (preferably 3.0),  HDMI output to connect a computer to the TV and an Ethernet port for network access. It must be compatible with different Wi-Fi standards (b / g / n). Currently, the standard Wi-Fi N makes the best rates and an excellent range.

Comfort

For a laptop, the user experience is at least as important as performance.
If you purchase the product in a store, it will be easy, before buying, take a look at the ergonomics of the keyboard, the touchpad sensitivity (touchpad), and also on the weight and model size.