According to your description, I suggest you refer to the following information:

1. HP Gold Service Center is responsible for hardware detection, maintenance and replacement services. If there is something wrong with your notebook, it is recommended that you contact your local HP Gold Service Center to help you detect and handle it.

2. The following is the contact information of all HP Gold Service Centers in Shanghai. The first two are HP Gold Service Center in Huangpu District, and there is no HP Gold Service Center in Yangpu District. You can choose the right HP Gold Service Center according to your own needs.

1. Address:No. 1, Huangpi North Road, Huangpu District, Shanghai, Metro 1, Line 2 and Line 8.

Tel: 02 1-6340 1223

2. Address: No.3 Huangpi North Road 1 Line, Line 2 and Line 8, Huangpu District, Shanghai.

Tel: 02 1-6340 1223

3. Address: No.42, Xinjian East Road, Minhang District, Shanghai.

Tel: 02 1-622 16605

4. Address: Opposite to Taoliyuan Middle School, No.242-246 North Street, Jiading District, Shanghai.

Tel: 02 1-699 10900

5. Contact address: No.295 Beitai Road, Jinshan District, Shanghai, near Jinshan Avenue and Xuefu Road.

Tel: 021-67261551.

6. Address: No.369 Wuzhou Road, Hongkou District, Shanghai, near No.55 Road and No.220 Road, hailun road Greenland Kowloon Hotel, directly to Hailun Road Station of Metro Line 4, near Sichuan North Road.

Tel: 021-6513349/65855898/65148074.

7. Address:No. Zhang Yang Road 1628, Pudong New Area, Shanghai.

Tel: 02 1-582 19709

8. Shanghai South Line, Zhangnan Line, Zhounan Line, Huisong Line, No.0/86, Xiangyang West Road, huinan town, Pudong New Area, Shanghai. When you get off at Nanmen Station, walk about 300-400 meters from Nanmen Street to Xiangyang Road in Huinan, turn left about 50 meters, or go west from Nanhui Bus Station along Dongmen Street to Cross Street (the first traffic light), turn left 50 meters to Xiangyang Road in Huinan and then turn right.

Tel: 02 1-5800 1389

9. Get off at Kaixuan Road Station, 2nd floor, Block B, Bainaotong Digital City,No. Kaixuan Road 10 127, 936 and 925, Changning District, Shanghai, and get off at No.8 14, 69 and 924, Tianshan Road,No. Kaixuan Road 10 10, Changning District, Shanghai.

Tel: 021-62941001.

Shanghai Pudong New Area Dongfang Road 155 Metro Line 4 Pudong Avenue Station 10, Exit 3, opposite.

Tel: 021-58207244/021-58207426

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.