1. The network bandwidth used is too low, when using the Internet browser, can not meet the normal web browsing. Recommended to enter the speed of the Web site, the speed of testing such as: http://www.wangsu123.cn/;
2. Clean the computer, defragment the disk, uninstall the infrequently used software, and manually delete the junk files left behind in the C-Disk cleanup.
3. Safe mode, the system to complete the antivirus, the virus will cause an unlimited copy of the file, resulting in the system due to too much junk files, resulting in slow speed of the machine, slow speeds.
4. The browser to repair, delete browsing history, cache space, you can also restore the browser default settings (method for tool →internet options → general → tab → set → restore the default settings), try to replace another browser to try.
5. It is recommended that the network be accelerated using a third party network accelerator.
6. When installing the operating system, the system disk does not retain enough space to ensure that the system can run stably, it is recommended to back up the data, to partition the disk and reinstall the pure version of the operating system.