To troubleshoot the issue with your Toshiba Satellite C855D-S5900's webcam driver, here are steps you can take to resolve the problem: 1. Download the Correct Driver: - Visit the Toshiba Support website. - Enter your laptop's model (C855D-S5900) and look for the webcam driver specifically for your laptop model. 2. Install the Driver: - Once downloaded, run the setup file to install the driver. - Follow the on-screen instructions during the installation process. 3. Device Manager Check: - Open Device Manager by right-clicking on the Start button and selecting "Device Manager." - Look for any yellow exclamation marks or warning symbols next to the webcam device. - Right-click on the webcam device and select "Update...