How to maintain the computer

On the hardware: Open the chassis, remove dust, and especially clean the air. In the winter, it is best to get small, static electricity is large, there is a probability of breaking the electronic circuit.

On the system: to deal with junk files and clear the system to get garbage files, you can use some ready-made software tools. In fact, a relatively thorough cleaning is to restore the system. If Ghost is used, it is very convenient. Long time computer, finishing hard drive, defragment.