1. Lay the Dell Optiplex GX260 down on a clean flat surface with the rear towards you.
    • Lay the Dell Optiplex GX260 down on a clean flat surface with the rear towards you.

    • Push the oval shaped buttons located on the top and bottom of the PC simultaneously and lift the case straight up.

    • Note: Some force may be required to push in the oval buttons open the PC case.

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    baptiste Prando - Réponse

  2. Disconnect the fan cable from the motherboard.
    • Disconnect the fan cable from the motherboard.

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    • On the rear of the desktop, push the two circled black buttons straight in with a small pointed object while pulling up on the fan.

    • Once the fan is released, lift it straight up and out of the case.

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    • Disconnect the ATX power cable to the motherboard.

    • Disconnect the P4 12V(4x2) power cable from the motherboard.

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    • Disconnect the front panel ribbon cable by gently pulling it straight up.

    • Disconnect the hard drive ribbon cable by gently pulling the blue tab away from the motherboard.

    • Disconnect the optical drive ribbon cable by gently pulling the orange tab away from the motherboard.

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    • Disconnect the floppy drive drive ribbon cable by gently pulling the black tab away from the motherboard.

    • Disconnect the optical drive audio cable connector from the motherboard.

    • Disconnect the audio input/output cable from the motherboard.

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    • Lift the metal tab near the right corner of the motherboard.

    • Pull the green tab toward the front of the PC to release the motherboard.

    • From the rear of the PC, push the ports in while lifting the motherboard up and flipping it away from you.

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    • Stand the motherboard up as shown.

    • Insert the flat end of a spudger into the slot in the motherboard mounting plate and press the release tab while pushing the extension plate to the right with your thumbs until it comes off..

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    • Remove the screw at the rear of the motherboard.

    • Grasp the heat sink with your left hand and the I/O port panel with your right hand and pull to separate motherboard from the metal base.

    • If you are replacing the motherboard refer to the great iFixit guide for removing the CPU.

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    • With the motherboard out of the tray, let your soldering gear warm up and get a desoldering braid.

    • Since this isn't a Optiplex GX260 motherboard, I have removed the heatsink to get rid of any confusion.

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    • Take note of which way the positive lead marker on the capacitor is facing before removing it. You will need to know for the next step.

    • Desoldering can damage motherboards, so first practice on a board you don't need. Use a 40-50W soldering iron with a chisel tip and 0.080" wide desoldering braid. Also helpful are rosin flux and 60/40 tin/lead solder, in case all the solder doesn't come out. Wiggle desoldered leads to verify they're free, and never pull on any that aren't.

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    • Install the new capacitor in the holes left by the old one, then solder it into place.

    • Caution: Ensure that the new capacitor is inserted with the positive lead mark facing the same direction as the old capacitor. If the direction is switched, the new capacitor will fail.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Kevin Schapansky

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Cal Poly, Team 4-48, Amido Fall 2010 Membre de l'équipe Cal Poly, Team 4-48, Amido Fall 2010

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Fantastic handbook.Thanks a lot, really

Giuseppe - Réponse

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