When it comes to optimizing your Windows device, one of the key optimization areas is the startup process. The applications that run automatically when your device boots up can impact both the speed of your startup and the overall performance of your system. By customizing which applications launch on startup, you can streamline your routine, ensuring that only the tools you need for your daily tasks are ready and waiting for you., In the Settings app on your Windows device, Apps > Startup or use the following shortcut: Startup. For any of the applications in the list, Some laptops and portable devices have a physical switch or button that turns the camera on or off. When it's turned off, your device may not recognize that there's a camera installed, or it may cause your camera to show an image of a camera with a slash through it..