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Introduction

If your motherboard is damaged or causing an issue in your device, then it’s time for it to be replaced. Follow this guide to learn the steps on how to replace your device’s motherboard.

  1. Toshiba Tecra Z50-A Motherboard Replacement, Back Panel: step 1, image 1 of 1
    • Turn off the laptop.

    • Flip the laptop over so the bottom is facing upwards and the hinges are closest to you.

    • Remove the fifteen 5 mm screws from the back panel using a Phillips #0 screwdriver.

  2. Toshiba Tecra Z50-A Motherboard Replacement: step 2, image 1 of 1
    • Lift up back panel using your hands and remove it from the rest of the laptop.

  3. Toshiba Tecra Z50-A Motherboard Replacement, Battery: step 3, image 1 of 1
    • Lift the plastic covering over the battery plug.

  4. Toshiba Tecra Z50-A Motherboard Replacement: step 4, image 1 of 1
    • Pull the wired cable up towards the top of the laptop to disconnect it from its socket on the motherboard.

  5. Toshiba Tecra Z50-A Motherboard Replacement: step 5, image 1 of 1
    • Remove the single 2 mm screw from the corner of the laptop using a Phillips #0 screwdriver.

  6. Toshiba Tecra Z50-A Motherboard Replacement: step 6, image 1 of 1
    • Remove the three 3 mm screws from the battery using a Phillips #0 screwdriver.

  7. Toshiba Tecra Z50-A Motherboard Replacement: step 7, image 1 of 1
    • Lift up on the battery with your hands and remove it from the laptop.

  8. Toshiba Tecra Z50-A Motherboard Replacement, CPU Fan and Heat Sink: step 8, image 1 of 1
    • Remove the four 3 mm screws from the heat sink using a Phillips #0 screwdriver.

  9. Toshiba Tecra Z50-A Motherboard Replacement: step 9, image 1 of 1
    • Remove the two 4 mm screws from the fan using a Phillips #0 screwdriver.

  10. Toshiba Tecra Z50-A Motherboard Replacement: step 10, image 1 of 1
    • Remove the heat sink from the laptop.

  11. Toshiba Tecra Z50-A Motherboard Replacement: step 11, image 1 of 1
    • Pull towards the bottom of the laptop to disconnect the fan cable from its connector on the motherboard.

  12. Toshiba Tecra Z50-A Motherboard Replacement: step 12, image 1 of 1
    • Lift up on the fan and remove it from the laptop.

    • When replacing the fan and heat sink, be sure to reapply thermal paste.

  13. Toshiba Tecra Z50-A Motherboard Replacement, Motherboard: step 13, image 1 of 1
    • Remove the two 5 mm screws using a Phillips #0 screwdriver.

  14. Toshiba Tecra Z50-A Motherboard Replacement: step 14, image 1 of 1
    • Remove the three 5 mm screws using a Phillips #0 screwdriver.

  15. Toshiba Tecra Z50-A Motherboard Replacement: step 15, image 1 of 1
    • Lift up on plastic covering over the Wi-Fi card.

    • Disconnect the black and white coaxial cables from the Wi-Fi card.

  16. Toshiba Tecra Z50-A Motherboard Replacement: step 16, image 1 of 1
    • Unplug the bundled red and black cable from its connector on the motherboard.

  17. Toshiba Tecra Z50-A Motherboard Replacement: step 17, image 1 of 1
    • Lift up on the black retaining flap using a pair of tweezers.

  18. Toshiba Tecra Z50-A Motherboard Replacement: step 18, image 1 of 1
    • Push the tab on the right toward the top of the laptop.

  19. Toshiba Tecra Z50-A Motherboard Replacement: step 19, image 1 of 1
    • Push the tab on the left toward the top of the laptop.

  20. Toshiba Tecra Z50-A Motherboard Replacement: step 20, image 1 of 1
    • Push the tab on the right toward the top of the laptop.

  21. Toshiba Tecra Z50-A Motherboard Replacement: step 21, image 1 of 1
    • Push the tab on the left toward the top of the laptop.

  22. Toshiba Tecra Z50-A Motherboard Replacement: step 22, image 1 of 1
    • Lift up on the charging port with tweezers.

  23. Toshiba Tecra Z50-A Motherboard Replacement: step 23, image 1 of 1
    • Lift up on the plastic tab.

  24. Toshiba Tecra Z50-A Motherboard Replacement: step 24, image 1 of 1
    • Pull plug towards the bottom of the laptop.

  25. Toshiba Tecra Z50-A Motherboard Replacement: step 25, image 1 of 1
    • Grab the middle of the motherboard with your hands and lift up to remove it from the laptop.

Conclusion

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

One other person completed this guide.

Luis Juen Baez

Member since: 10/25/2021

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4 Guides authored

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UMass Dartmouth, Team 2-4, Sinclaire Fall 2021 Member of UMass Dartmouth, Team 2-4, Sinclaire Fall 2021

UMASSD-SINCLAIRE-F21S2G4

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