Introduction
You can use this guide to replace the buttons if they are broken or sticking. This guide requires you to remove the housing and unscrew a few parts in order to reach the button grouping.
It is best to find a flat, spacious working surface to keep the device level. Also, it helps to place the screws on a magnetic mat upon removal to keep them from rolling away.
What you need
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Pull the tab towards you and lift up to remove the battery cover.
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Remove the two AA batteries.
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Unscrew the four 8mm Phillips #2 screws.
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Unscrew the six 25mm Phillips #2 screws.
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Reinstall the backup battery cover so it is out of the way.
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Turn the top cover plate upside-down and place it so the buttons are face down.
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Remove the four 8mm Phillips #0 screws at the corners of the circuit board.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.