Introducción
Use this guide if the power and volume buttons on your Dell Venue 8 7840 aren't working.
Qué necesitas
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Using a plastic opening tool, pry open the left side of the tablet.
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Locate the power and volume buttons.
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Casi Terminas!
To reassemble your device, follow these instructions in reverse order.
Conclusión
To reassemble your device, follow these instructions in reverse order.