The driver's may not be there, they may be corrupted, or they could even be the wrong driver and not recognized.
Recommendation - start over....
Go to the manufacturer's website and download the applicable/appropriate webcam driver. Use Device Manager to determine what webcam is installed on the Hasee laptop.
Watch and note the default destination folder name provided as you set up/configure for the download.
Print out the installation instructions before leaving the manufacturer's website.