Introduction
This battery replacement guide can be used to safely remove and replace the battery from a Toshiba Satellite Radius P55W-B5112 computer. Battery removal is a key step to safely perform further repairs on this computer.
Tools
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Unplug your laptop from any source of power.
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Lay your laptop on a soft, clean surface as shown.
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Using the metal spudger, remove the two rubber grips on the bottom face of the laptop, located closest to the hinge.
 
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Starting on the edge that is opposite the hinge, use the plastic opening tools to pry the back plate away from the computer.
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Loosen the three non-hinge edges.
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Leave a plastic opening tool in each corner to ensure that one side does not snap closed before you are done opening the others.
 
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To loosen the back plate, lift it slightly and gently pull it away from the hinge.
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Flip the back plate open towards the power button, but be sure to not pull on the ribbon cable that connects the back plate to the motherboard.
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Use a plastic opening tool to detach the side of the ribbon cable connected to the computer by prying up gently on the small black lever at the point of attachment.
 
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Use a plastic opening tool to lift the side of the battery that is closest to the long edge of the computer.
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As you are pulling the battery away from the computer, unplug it from the side closest to the short edge of the computer.
 
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To reassemble your device, follow these instructions in reverse order.
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