Lenovo notebook, one machine random camera is not normal use prompts registry information error code 19 processing

Failure phenomenon:

During use, you will encounter the camera driver hanging the exclamation mark, but the installation driver is invalid, view the Device Manager device status, information prompts "because its configuration information (in the registry) is incomplete or corrupted, Windows cannot start this hardware device." (Code 19) ", unable to repair, failure situation as shown below:

Reason Analysis:

Due to the takeover of the system drive Library by the third party software, the component information in the system registry information is added the key value of a line of third party software, which causes the device to be hindered when the driver is recognized, so it can't load the driver to cause the malfunction.

Solution:

Please note: Due to the risk of modifying the registry, please make sure to back up the relevant data of the registry, and then do the following, to avoid excessive modification caused system anomalies.

First, please click Back to the desktop, while pressing the win+r combination to open the "Run" window, in the Run window, enter the "regedit" return, open the system Registry Editor, as shown below:

Please find the hkey_local_machinesystemcurrentcontrolsetcontrolclass{6bdd1fc6-810f-11d0-bec7-08002be2092f} subkey through the left tree chart

After the key value is found, delete the UpperFilters value and the LowerFilters value in the right window (if you don't have the key value for the time being, delete it), reboot the computer, and then uninstall the reinstall driver.