Introduction
Tools
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            Be sure computer is unplugged, turned off, and battery is removed. 
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            Then, locate memory door and remove screw with #0 Phillips screw driver. 
 
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            Remove plastic door to expose lone memory DIMM. 
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            Press two metal clasps on both sides of the DIMM apart to allow memory module to pop up. 
 
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            Head over to Newegg and buy yourself a 2gb DDR2, 667mhz laptop memory to install in your Aspire One. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.