Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always: The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it. However, it might use more power as a result.

If you clicked the Share button, people will receive an email message inviting them to open the file. They can click the link to open the workbook. A web browser will open, and the workbook will open in Excel for the web. If they want to edit in the browser, they can click Edit Workbook > Edit in Browser.If they want to open it in the Excel app, they can click Edit Workbook > Edit in Excel.

Scan the page and save it on your computer in a common file format: .bmp, .jpg, or .png. For information on how to use your scanner, use the manufacturer’s manual or Web site.

Check for updates in the Phone Link by opening Settings > About > Check for updates.Install any pending updates to make sure your content stays up-to-date. You may also need to check for updates in the Link to Windows app on your Android device.

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B to reset your graphics driver.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.

Location history. Some Windows apps and services that use location info also use your location history. When the location setting is on, locations looked up by apps or services will be stored on the device for a limited time (24 hours), then deleted.