Introduction
This guide will show you how to remove the back panel and replace the 2 RAM modules in the HP G62-144DX.
Tools
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            Slide the lock to the right, located slightly above the battery location. 
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            While pulling the lock, pull the battery out, keeping it flat and parallel to the laptop so that it slides out easily. 
 
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            Unscrew the three Phillips 2.5x6 screws in the L-shaped panel on the back with a Phillips #1 screwdriver. 
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            Use a plastic opening tool to gently pry the panel free from the laptop. 
 
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            Pull the two metal clips to the top RAM module outwards parallel to the laptop. 
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            After the RAM module pops up, gently pull in out from the computer. 
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            Repeat for the second RAM module. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.