Introduction
This guide will teach you to remove the back case.
This should be done before most repairs of the 5502.
Tools
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            Save and close all open files and exit all open applications. 
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            Shut down your computer. Click Start > Shut down. 
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            Disconnect your computer and all attached devices from their electrical outlets. 
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            Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer. 
 
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            In the back there are 9 screws. 
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            (captive) M2x7.5 
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            M2x4 
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            Unscrew these and store in a safe place. (eg: nescafe cup, container ) 
 
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            Using a plastic scribe, pry the base cover starting from the recess at the display hinge and work your way around the sides to remove the base cover. 
 
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            The sticker and the cable connector(below the sticker) 
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            Peel the tape and disconnect the battery cable from the system board. 
 
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            Press and hold the power button for five seconds to ground the computer and drain the flea power. 
 
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To reassemble your device, follow these instructions in reverse order.
If you were following another article and was said to follow this guide, now you can go and follow it/continue in the step you stopped!