Directions: For this part, you are allowed 30 minutes to write a complaint letter to the customer service department of the company's head office. You bought a laptop a few days ago from a big computer chain store, but the laptop stopped working. When you took it back to the store, they refused to deal with the problem. You should write at least 150 words following the outline given below.
1. 计算机出现了什么问题。
2．与店方交涉的经过。
3．你希望公司的客户服务部门能尽快帮助解决问题。