3. Press the power button (circled on the left) with your finger or a nylon probe tool. The LEDs will come on indicating the computer status.
4. To shut the computer off with the back cover off, press and hold the power button for at least five seconds. The green LEDs will go out.
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Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.