Do more computer maintenance training, you can check it online. I am also a computer maintenance major. At present, the more famous ones are Hangzhou Huali computer maintenance training, Red Police computer maintenance training and everyone computer maintenance training. These families are ok. In 2008, I studied in Hangzhou Huali Computer Maintenance Training. Study time is more than 5 months. It feels okay. Now I have been doing maintenance, and I can earn a little money.