In Raspberry Pi 3, direct startup does not enter the graphical interface by default. When you enter using SSH dialing (software such as putty), you can enter it at the command line
<pre id= "best-content-2010550879" accuse= "acontent" class= "Best-text mb-10" style= "margin-top:10px; margin-bottom:10px; padding:0px; font-family: "Microsoft Yahei", Arial, "Courier New", Courier, song body, monospace; White-space:pre-wrap; Word-wrap:break-word; font-size:16px; line-height:29px; Color:rgb (51, 51, 51); Background-color:rgb (255, 255, 255); min-height:55px; " >sudo raspi-config <span style= "White-space:pre" > </span>
sudo raspi-config //Enter settings, here are a lot of settings
In the boot option, the Raspberry Pi is the third one, select B4 desktop autologin desktop GUI, automatically logged in as ' pi ' user. You can start the graphical interface on the boot.
Select it.
At the same time, the sixth item in Figure one is the option to use the camera, which allows you to select Enable. Turn on the camera.