Repairing Dell Projector 4220 Remote Controller Fix Rubber Power Button
yieunjae and 4 other contributors
Last updated on Aug 6, 2024
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Community-Contributed Guide
An awesome member of our community made this guide. It was not created by iFixit staff.
Introduction
Go to step 1 ↓Apparently, there is conductive paint on each button that allows a button press to send signal. After many uses of the power button, it became more and more difficult to work it. I researched a couple ways to fix this and ultimately did a cheapo hack.
What you need
Tools
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There are two screws on this remote controller. One behind the yellow sticker. One in the battery housing.
Ask FixBot
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Using a spudger to ease the two pieces apart will help you get started. Pulling will most likely cause a break in the snap-in pieces.
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Draw a thick layer of graphite onto a piece of paper.
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Rub the piece of paper onto the membrane. Test the button for conductivity.
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To reassemble your device, follow these instructions in reverse order.
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