Introduction
Follow this guide to replace/upgrade your hard drive.
A hard drive replacement is helpful if your device is won't boot or crashes continually. Make sure your replacement hard drive is compatible with the Samsung NP-N210-JA02US.
Tools
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            Remove the following 14 screws: 
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            Thirteen 5 mm Phillips #1 screws 
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            One 3.5 mm Philips #001 screw 
 
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            Carefully insert the plastic opening tool into the seam between the lower casing and the chrome bezel. 
 
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            Slide the opening tool across all sides of the lower case. Then, lift it up to remove the case and reveal the internal components. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.