If you need to buy non-HP hardware equipment, you can buy it yourself in the local electronic market. Please choose according to the above conditions when purchasing. In order to ensure the best compatibility, you can take your computer to the electronic market for comparison and buy hardware equipment supported by your computer.
If you need to add HP hardware equipment, you can contact the local service center, and the staff will allocate hardware according to your machine model. Contact information of HP Home Computer Authorized Gold Service Center. You can try to open the following website: /support/pavilion.aspx If the above information can't solve your problem, you can visit www.hp.com.cn/chat,, the online chat room of HP, consult an online engineer, or visit www.hp.com.cn/hpcommunity,, the official support forum of HP, to thank you for your support to HP.