Why there is need to enable Intel x86 Emulator ?
Because Intel x86 Emulator provides system processor to run the AVD within the Android Studio. Android Emulator requires processor to do the tasks so it provides the system permission for using processor by external system.if it is not enabling in Android Studio , it won’t run the AVD or Android Emulator for run the app.
install Intel x86 Emulator or Accelerator (HAXM installer) in Android Studio :
For installing the package of emulator ,we need to go to SDK manager in Android Studio and after that SDK tools , further enable Intel x86 Emulator or Accelerator (HAXM installer) as shown :
enable Intel x86 Emulator or Accelerator (HAXM installer) in bios setting :
For this goto Bios Setting of the computer and then goto Configuration option and enable the Intel Virtualization Technology as shown in the image below:
Problem will be discussed in Comment section.