The solution 1 is not displayed on the camera of the education and training resource network for employees in housing and urban and rural construction industries. If you don't install the driver of the computer, the camera may not be turned on. At this point, you must check the installation of the driver before you can solve the problem. 2. When the computer camera is connected incorrectly or damaged, it is probably due to hardware damage. At this time, general maintenance can't solve the problem, so you need to contact the after-sales department for disassembly and maintenance.