Android Real computer connected mobile target display unknown cmd command under ADB devices display offline

The main reason is the issue with the ADB version:

1, find Adb.exe path such as: G:\BaiduYunDownload\Android\android-sdk\platform-tools, put the path to the environment convenient-"System variables-" path behind, Remember to add a semicolon before placing it in the front, and to distinguish it from other directories,

2, open the CMD terminal, enter ADB version, display version information on the surface of the ADB path to add success. And then see the version number, which may be that the version number is too low to connect the phone.

3, go to the Internet to find the ADB version download, such as search adb 1.0.31, you can download, the extracted files are copied to the ADB path, such as my adb.exe path to G:\BaiduYunDownload\Android\android-sdk\ Platform-tools, indicates whether to overwrite, select all overrides.

4. Then enter the ADB devices status on the CMD terminal to display the device, then open Eclipse to see the connection.

Android Real computer connected mobile target display unknown cmd command under ADB devices display offline