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Введение

Use this guide to replace a broken motherboard on your Dell Latitude E7270.

The motherboard is what links all your components together to move information around. They are susceptible to age, shortages, and physical damage. A broken motherboard may leave your computer not working at all.

Before using this guide, check out the troubleshooting page to see if your symptoms match any that represent a bad motherboard.

This replacement requires a #00 Phillips head screwdriver.

NOTE: This guide requires removal of the back panel, battery, and cooling fan. The extra prerequisite guide steps are included in this guide.

Запчасти

Детали не указаны.

  1. Place the device top down in front of you so that the vents are visible and are furthest from the user.
    • Place the device top down in front of you so that the vents are visible and are furthest from the user.

    • Please be sure that the device is powered off and unplugged before removing parts or deconstructing anything.

  2. Remove all eight M2.5 X 8MM screws with a  Phillips #00  screwdriver.
    • Remove all eight M2.5 X 8MM screws with a Phillips #00 screwdriver.

  3. Lift and remove the panel.
    • Lift and remove the panel.

  4. Remove the three  M2.5 X 5MM screws, located above the battery, with a  Phillips #00 screwdriver.
    • Remove the three M2.5 X 5MM screws, located above the battery, with a Phillips #00 screwdriver.

  5. The Essential Toolkit

    The most helpful tools in our most compact kit.

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    The Essential Toolkit

    The most helpful tools in our most compact kit.

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  6. Disconnect the battery wire by using your fingers to pull diagonally left on the tab.
    • Disconnect the battery wire by using your fingers to pull diagonally left on the tab.

  7. Remove the battery completely by grabbing an edge and pulling up on the battery.
    • Remove the battery completely by grabbing an edge and pulling up on the battery.

  8. Remove the 4 pin fan power connector from the motherboard by using your finger and pulling up. Remove the four M2.5 X 5MM  screws that hold on the rectangular bracket located towards the center of the motherboard using a Phillips #00 screwdriver. Remove the three M2.5 X 5MM screws that hold down the circular fan bracket using a Phillips #00 screwdriver.
    • Remove the 4 pin fan power connector from the motherboard by using your finger and pulling up.

    • Remove the four M2.5 X 5MM screws that hold on the rectangular bracket located towards the center of the motherboard using a Phillips #00 screwdriver.

    • Remove the three M2.5 X 5MM screws that hold down the circular fan bracket using a Phillips #00 screwdriver.

  9. Lift and remove fan by pulling gently straight up using your fingers
    • Lift and remove fan by pulling gently straight up using your fingers

  10. Before replacing fan, make sure to place a small amount of thermal paste to ensure proper heat dissipation and long term life.
    • Before replacing fan, make sure to place a small amount of thermal paste to ensure proper heat dissipation and long term life.

  11. Remove the 10 wire connections by using your fingers to separate the connections. Remove the thirteen M2.5 X 5MM screws that fasten the motherboard using a Phillips #00 screwdriver. Remove the two M2.5 X 8MM external  screws that fasten the motherboard from outside using a  Phillips #00 screwdriver.
    • Remove the 10 wire connections by using your fingers to separate the connections.

    • Remove the thirteen M2.5 X 5MM screws that fasten the motherboard using a Phillips #00 screwdriver.

    • Remove the two M2.5 X 8MM external screws that fasten the motherboard from outside using a Phillips #00 screwdriver.

  12. Lift and remove the motherboard by grabbing the outside edges and pulling straight up.
    • Lift and remove the motherboard by grabbing the outside edges and pulling straight up.

Заключение

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

Jacob Clement

Участник с: 14.01.2020

600 Репутация

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