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Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement

Qué necesitas

  1. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Side Panel: paso 1, imagen 1 de 1
    • Make sure to shut down the computer! Go to the start menu and click shutdown from the power options first

    • Ensure all cables, speakers and other devices are unplugged and turned off before opening the computer case.

  2. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 2, imagen 1 de 1
    • Lay the computer on its side; you will see a blue knob.

    • Turn said knob 90 degrees counter clockwise.

  3. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 3, imagen 1 de 1
    • While the knob is still turned, slide the panel case forward about 1/2 inch, and then lift the panel off the computer.

  4. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Hard Drive: paso 4, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Hard Drive: paso 4, imagen 2 de 2
    • Ground yourself to avoid static from damaging any components. Either use a wrist strap and antistatic mat, or touch the metal computer case every few minutes.

    • Find the power and data cables connected to the hard drive, press down on the metal tab and carefully remove them.

  5. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 5, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 5, imagen 2 de 2
    • Locate the blue tabs shown on the left and right of the hard disk drive

    • Squeeze both tabs and slide the hard disk drive towards you, then lift the drive out of the cage.

  6. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, RAM: paso 6, imagen 1 de 1
    • Press down on the two white tabs on either side of the memory module; the RAM will pop out.

    • Be sure you are grounded to avoid electrostatic discharge, and place your memory modules in an anti-static bag.

    • Make sure the notch in the RAM lines up with the notch in the slot. It should enter the slot with minimal force. If it does not enter the slot, check that you have the RAM lined up properly.

  7. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Optical Drive: paso 7, imagen 1 de 3 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Optical Drive: paso 7, imagen 2 de 3 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Optical Drive: paso 7, imagen 3 de 3
    • Press the large button on the corner of the optical drive. Pull on the pop-out button to slide the optical drive out.

  8. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, CPU Heat Sink: paso 8, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, CPU Heat Sink: paso 8, imagen 2 de 2
    • Remove the blue shield by sliding it straight upwards.

  9. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 9, imagen 1 de 3 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 9, imagen 2 de 3 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 9, imagen 3 de 3
    • Pull back on the tab nearest to the front case fan.

    • Slide the CPU heat sink from under the clip and pull upward.

    • You may need to twist the CPU heat sink side to side to free it from the thermal paste.

  10. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, CPU: paso 10, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, CPU: paso 10, imagen 2 de 2
    • Ground yourself before removing any internal components.

    • Push release lever down slightly and away from CPU.

  11. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 11, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 11, imagen 2 de 2
    • Lift and rotate processor cover off of CPU.

    • Processor cover will remain attached.

  12. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 12, imagen 1 de 1
    • Using two fingers holding the sides, lift the CPU from the socket.

    • Do not touch the underside of the CPU or any of the pins.

    • When replacing the CPU, do not use excessive force.

    • Ensure to use the alignment-notches on the new CPU, when replacing.

  13. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement, Motherboard: paso 13, imagen 1 de 1
    • Unplug the power cable attached to the motherboard speaker.

    • Make sure to press on the release tab while removing the power cable.

  14. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 14, imagen 1 de 1
    • Remove four black 6mm #2 Phillips screws located at the back of the computer tower.

  15. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 15, imagen 1 de 2 Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 15, imagen 2 de 2
    • While rotating the case-opening knob, slide the motherboard tray away from the front of the computer.

  16. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 16, imagen 1 de 1
    • Lift the motherboard from the rest of the computer case.

  17. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 17, imagen 1 de 1
    • Remove two silver 6mm #2 Philips screws from the Hard Drive Stand.

  18. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 18, imagen 1 de 1
    • Slide the Hard Drive Stand to left side.

    • Lift the stand, and disconnect the HDD fan power.

  19. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 19, imagen 1 de 1
    • Unplug the cable that connects the chassis intrusion detection switch, distinguished by its red wires.

    • Unplug the cable that powers the hard drive, which has orange, red and yellow wires.

    • Make sure to press on the release tab while removing the connectors.

  20. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 20, imagen 1 de 1
    • Disconnect the two fans from the motherboard.

  21. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 21, imagen 1 de 1
    • Remove the four silver 6mm #2 Philips screws holding the motherboard to the rear computer panel.

  22. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 22, imagen 1 de 1
    • Remove the studs that support the Hard Drive Stand from the motherboard.

    • The studs can be removed by hand.

    • If studs can't be removed by hand a 6mm nut driver or spanner may be used.

  23. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 23, imagen 1 de 1
    • Remove the four black 9mm #2 Philips screws located on heat sink stand.

  24. Dell Optiplex 745 Ultra Small Form Factor Motherboard Replacement: paso 24, imagen 1 de 1
    • The motherboard can now be removed from the remaining panel.

Conclusión

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

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