Error identify webcam in MATLAB2016a

Why matlab 2016 can not detect webcam؟؟؟؟؟؟؟؟

imaqhwinfo=
 InstalledAdaptors: {}
        MATLABVersion: '9.0 (R2016a)'
          ToolboxName: 'Image Acquisition Toolbox'
       ToolboxVersion: '5.0 (R2016a)'

[david gomez]

You have to install an adaptor. Go to "Get hardware support packages"

Answer 1

[Madhura Suresh]

You will need to install either one of these two support packages:

1. OS Generic Support Package, and then try

imaqhwinfo('winvideo') % use macvideo/linuxvideo based on the platform.

2. USB Webcams support package:

webcamlist
w = webcam