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If your Surface isn't running as quickly as it once did, try running the Surface Diagnostic Toolkit and using the other tips below to pinpoint and solve the problem.
Video: Optimize your Surface for performance
Note: This video is available in English only.
Newer devices have an adjustable power mode to allow you to balance your preference between best battery life and best performance. To view this setting, select the battery icon on the task bar. If your device supports it, move the Power Mode slider to either the Better performance or Best performance setting.
If your Surface is slow, go to Tips to improve PC performance in Windows 10 to learn how to help improve the performance of your Surface.
Your Surface may be too hot. Move your Surface to a cooler spot, wait five minutes, and see if it runs faster. When possible, plug in your Surface.
If you are running a memory-intensive app, such as streaming video or playing a game, try closing it for a few minutes. That may cool your Surface down.
Go to Start , and select Power > Restart.