Introduction
This is a guide for an ACER Aspire 7750G-6645. This guide shows the replacement of the keyboard. If there are many missing keys or if the keyboard isn’t working properly, this guide may be helpful.
Tools
Parts
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            Turn off the laptop, and open the lid. 
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            Separate the first two layers by prying them apart, using a spudger. 
 
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            Lift the keyboard, so that its ribbon is visible. 
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            Remove the ribbon from the board by using a small metal spudger or flathead screwdriver. (if needed) 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.