Introduction
This guide goes through the steps on how to replace a broken key for the Acer Chromebook C720-2103. This is an extremely easy replacement guide. The only thing needed in this guide is either a new key to replace a broken one or the same one that fell off.
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            Place the new key or the old key that has fallen off in the area indicated in the image. 
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            Apply pressure on the key until it pops into place. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.