It is required of a specialist to make changes and the components must be of the manufacturer of the computer. With a little practice and of experience the components can be changed, which can be bought in wholesalers or stores of computation. they have few faults that are covered by the guarantee of the manufacturer. The faults are more frequent, especially in the hard disk and therefore he is very recommendable to have endorsement of the data. they have guarantee, support and suitable technical service. A guarantee can be obtained on the components only and not on the system as a whole. With the additional problem of which if he does not find the technician that I arm the clone can even lose the parts or all the computer. A person who wants to buy a computer so that she has an excellent performance in Games, can use liquid coolers, ram memory, video cards or processors of high performance. On the other hand the confusion exists to buy a portable computer or one desktop, in this case the person must know clearly which are their needs and to make an analysis to generate a purchase decision, a most important when choosing computer is to know clearly that she wants in the future or near or distant with this computer, Can want to modify it, to from time to time update it for her optimum yield or on the contrary an equipment with characteristic outposts of a mark is what you need, because to future he thinks in buying a new equipment and not only changing it by parts. So without mattering that computer wants one approaches Compu Greiff that we will advise it to taste and give the tools him so that always this satisfying, we are its better ally in technology. Original author and source of the article.