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On/Off switch will not turn unit on..sunk in

The on/off swith will not work, (sunk down in). I took all the screws out all around botttom of unit. Can't figure out how to take the screen off to get the top screws out to left the top chassis off.......Help

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  • 348 Answers

That unit may have the locks open it by screw driver check the power at cord then insert and check ac voltage at fuse if present then check after fuse if not then replace it then check dc voltage across big capacitor if not then check 4 diodes if faulty replace it if dc volt is very low then replace capacitor problem may solved

Posted on Oct 27, 2008

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Even if either of you have given up on this, I'll lend a hand to anyone else who may have this problem in the future. Okay, most of the visible screws on the outside of the case, you'll be presented with a few problems; some plastic clips along the perimeter of the case, a few ribbon cables, and some hidden screws.

First, the ribbon cables; you'll want to pop the keyboard off, which you do that by depressing a row of four small tabs along the top edge of the keyboard. Then you'll have to unplug the keyboard by pulling the two tabs on the sides of the big ribbon cable left (towards the CD drive) and carefully pulling the ribbon cable out. Now there will be a smaller ribbon cable for the touchpad; the connector on that one you have to gently pry the white tabs up and slide the cable out.

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In the upper left corner by where the DC jack is, you'll see the circuit board that it's on. Just unscrew the 4-5 screw that are on it, gently remove the ribbon cable from its connector (just like the keyboard), and the power cable (brown connector on board, white on wire, red and black wires connected to the white connector.)

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Google for the proper pinout specifications- the cabling has colored wiring.

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