According to your description, I suggest you refer to the following information:
Hello, if you have any problems with the HP products you purchased, you can find @ HP Computer through Sina Weibo/Tencent Weibo, or find @ HP Computer through Renren, and send us your computer problems and contact information through private mail. A staff member will contact you later. Thank you for your cooperation.
I hope the above reply can help you.
If the above information can't solve your problem, you can log on to www.hp.com.cn/chat,, the online chat room of HP Network, and ask an online engineer to help you solve the problem further.
More product information is available in www.hp.com.cn/800..