In the Android-sdk\tools directory, there is an executable program called Emulator.exe, the name of the known meaning, emulator is the emulator or simulator, but many people may find that through the AVD Manager to start the simulator is not a problem, AVD also installed, But directly double-click the simulator Emulator.exe is not open, only flash, but not run, I believe many novice have encountered this problem, here is a reason to answer and solutions:
Can not open the reason is not specified specific AVD, by the CMD window under the designation of a specific AVD name,
(Before my blog has described how to install the Android virtual machine, do not remember friends please refer to: http://blog.csdn.net/xifeijian/article/details/8582932
Assuming that I have installed an Android virtual machine named Xifeijian, you can now open the CMD Command window and start the Android virtual machine via the emulator program;
Command is: EMULATOR-AVD youravdname
As shown in the following figure, enter EMULATOR-AVD Xifeijian
After successful startup, the following illustration shows: