Some users want to use the computer's camera, but pop up to video preview failed: failed to create video preview, please check the device connection, make sure there is no other application or use the device, There are many reasons for this problem. Come and see the solution that Xiaobian brings to everyone.
Method 1: Register the relevant files and check for corruption or loss
1. Click Start, click All Programs, click Accessories, and click Command Prompt.
2, open the command prompt window in order to execute the following commands, press the Enter key.
regsvr32 Proppage.dll
regsvr32 directSpy.dll
regsvr32 Quartz.dll
3, pop-up Xll DllRegisterServer successful prompt dialog The box indicates that the data has been written to the registry, and other error messages pop up indicating that the file is corrupt or missing
Method 2: Check if the image processing device is running normally
Right click on my computer mouse, pop up the shortcut menu and click the Manage command.
2, pop up the computer management window, in the console tree window on the left, click Device Manager under System Tools.
3. Expand the image device on the right side to check if it is running normally and there are conflicting items.
Method 3: Check if the related service has been started
1. Click the Start button in the lower left corner and the pop-up menu window will click Control Panel.
2. Double-click the management tool in the Control Panel, open the window and double-click the service.
3. Find and double-click on the service local right window to open the service named Windows Image Acquisition (WIA).
4. Go to the General tab of the Properties window and make sure the startup type is in the automatic state and the service state is started.
WinXP can not create a video preview solution here, when you encounter this problem, you can try the methods provided by Xiaobian, more exciting tutorials please pay attention to this!
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