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The easiest way to find which Surface model you have is to use the Surface app. It shows the model name of your Surface device and each Surface accessory. Note: When signed in to the Surface app, you can see information for other Surface devices that you've also signed in to. Open the Surface app.

Count how often a value occurs. Applies To. Suppose you want to find out how many times particular text or a number value occurs in a range of cells. For example: If a range, such as A2:D20, contains the number values 5, 6, 7, and 6, then the number 6 occurs two times.

This article is for a Surface device that is out of warranty, damaged, or has a cracked screen. You can learn how to send us your Surface device, find out how much it will cost for service, or (if you have technician-level abilities) learn about self-repair.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

If you're not sure which pen you have, use this page to help you identify it and see what features are available. Note: Your Surface Pen might work with other Surface and Windows PCs. To check if it works, go to Use a Surface Pen with another Windows PC.

By connecting keyboards, mice, webcams, and external monitors, you can turn your Surface into a multifunctional workstation. If you're not sure which Surface Dock or Surface Docking station you have for your Surface, use this page to help you identify it.

If your Surface power supply or charger still doesn't work, submit a service order. There's one last step you can take. If these steps don't resolve the problem, replace your power supply. Go to Device Service and Repair, register, and then select your Surface to start a service order.

There are several ways you can find the serial number for your Microsoft or Surface device or accessory. To learn how, select one of the tabs below. Surface devices Microsoft accessories. To register your Surface or get it serviced, you'll need to know its serial number.

Self-repair replacement components are intended for out-of-warranty repairs. Part availability may vary by country and is subject to change due to supply chain constraints, customer demand, and related issues. The parts are available for purchase at Microsoft Online Store and iFixit.