The complaint of this Star DVD player was no CD even though the CD disc already been inserted. You can see the error message in the photo below: Once...

                Customer sent to me this Sony HBD-TZ210 home theater system with the complaint of “push power protect”. In fact this kind of problem is very common in home theater system...

                  This laptop brand LENOVO Model 3000 C200 was brought to me this weekend by a friend of mine with the complaint it was working with some troubles: freezing...