Dell's after-sales 24-hour customer service telephone number.

After-sales service telephone number of Dell notebook computer: 400-889-7 173.

Dell has opened 4,983 service outlets nationwide. Please contact customer service for details.

Service area, national urban area. National, Beijing, Chongqing, Tianjin, Shanghai, Shijiazhuang, Langfang, Baoding, Taiyuan, Shenyang, Harbin, Changzhou, Wuxi, Nanjing, Suzhou, Yangzhou, Ningbo, Hangzhou, Hefei, Xiamen, Fuzhou, Nanchang, Jinan, Luoyang, Zhengzhou, Wuhan, Changsha, Foshan, Zhuhai, Shenzhen, Guangzhou and Nanning.

Company profile:

Dell is a Fortune 500 company headquartered in Landrock, Texas, USA, founded by michael dell in 1984. Dell is famous for producing, designing and selling home and office computers, but it is also involved in the high-end computer market, producing and selling servers, data storage devices, network devices and so on.

Dell entered the world's top 500 list with 1992, and Dell became the youngest CEO.