just for help us how to choose the OS

[youngdream]

what OS we need?

All computer systems are only as dependable his or her operating system. It's the OS the engine from the digital gadget. Though we quite often place lots of emphasis on the makers of computer systems, we should also feel carefully by what operating system can be used.
android ?windows 7? others?

[vadriaan]

When matching the computer hardware with the OS you should consider the avaiability of hardware drivers in the chosen OS. If the system video or sound hardware is not recognized by the OS, you have to perform magic to get it to work.
Try to be more adventurous and experiment with Knoppix (OS on a CD, no installation needed)