![]() On Windows 7 or 8, open the Power Options Control Panel and click "Choose What the Power Buttons Do." Regardless of your setting, holding the power button for five seconds instantly cuts power, so hold in the button only if the system completely freezes and a normal "Shut Down" doesn't work. In the Power Options Control Panel, you can customize power button actions to make it function as a safe "Shut Down" or "Sleep" button. If you see only a "Sleep" button, select the nearby arrow to see the other power options. On Windows 7 and Vista, you can also shut down by pressing the "Windows" key and using the arrows to select "Shut Down" on the Start menu. You can also purchase a special cleaning brush to clean your keyboard more thoroughly. Rotate your MacBook to left and right, preserving the 75-degree angle, and repeat the spraying process on each side. Spray compressed air on the keys left to right and top to bottom. From there, tap "Up" once for "Restart" or twice for "Shut Down," and press "Enter" to confirm. Hold your MacBook at a 75-degree angle with the horizontal. Hold the "Down" arrow to reach the bottom of the panel, tap "Up" once and "Right" once and press "Enter" to select the Power options. To shut down using the keyboard, press "Windows-I" to open the Settings charm. On Windows 8, you can alternatively shut down using the Charms menu from anywhere on the system.
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