Introduction
In order to access the core components of the Acer Aspire One 725-0845, you will need to remove the inner frame, detailed here.
Tools
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            Ensure the device is powered off by holding down the power button on the top left-hand side. 
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            On a flat, level surface, flip the device over so that the back-plate is accessible. 
 
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            Using a spudger or any fine-pointed tool, push the release slide away from the center of the device. 
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            Simultaneously pull the battery out and away from the device. 
 
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            Using the JIS J1 Screwdriver Bit and Driver, remove the center screw (7.0 mm) from the back-plate. 
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            Using your hands, slide the back-plate away from the center of the device and remove. 
 
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            Using the JIS J1 Screwdriver Bit and Driver, remove the two screws (9.0 mm) from the outward side of the hard drive. 
 
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            Using your hand, slide the hard drive away from the center of the device until it disconnects from the motherboard. 
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            Carefully lift the outward side of the hard drive and place the drive on a clean, non-magnetic surface. 
 
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            Using the JIS J1 Screwdriver Bit and Driver, remove the six outside screws (7.0 mm). 
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            Using the JIS J1 Screwdriver Bit and Driver, remove the seven inside screws (8.0 mm). 
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            Using the JIS J1 Screwdriver Bit and Driver, remove the one inside screw (3.0 mm). 
 
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            Using your hands, slide the brown release tabs for the keyboard connection away from the center of the device. 
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            Gently remove the keyboard connection by pulling away from the center of the device. 
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            Lift the black locks for the touchpad connections into the upward position. 
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            Gently remove the touchpad connections by pulling the purple tabs away from the locks. 
 
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            Flip the device over and open it. 
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            Using the plastic opening tools, remove the cover/palm rest from the frame of the device. 
 
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To reassemble your device, follow these instructions in reverse order.