Introduction
Use this guide to replace your Bluetooth board.
What you need
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Stick a suction cup near each of the two top corners of the glass panel.
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If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a mild solvent.
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Gently lift the glass panel perpendicular to the face of the LCD enough to clear the steel mounting pins attached along the underside of the top edge of the glass panel.
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Pull the glass panel away from the lower edge of the iMac and carefully set it aside.
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Pull the vertical sync cable connector out of its socket on the LED driver board near the top left corner of your iMac.
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Rotate the display out of the outer case enough to disconnect the LED backlight power cable from the LED driver board.
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Carefully pull the display toward the top edge of your iMac and lift it out of the outer case, minding any cables that may get caught.
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Use the flat end of a spudger to pry the Bluetooth antenna cable connector up from its socket on the Bluetooth board.
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Disconnect the Bluetooth cable by pulling its connector away from the socket on the Bluetooth board.
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Remove the Bluetooth board from your iMac.
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