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Toshiba Satellite L55t-B5271 Motherboard Replacement

What you need

  1. Toshiba Satellite L55t-B5271 Motherboard Replacement, Battery: step 1, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Battery: step 1, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Battery: step 1, image 3 of 3
    • Make sure you turn the laptop off first.

    • Close the laptop lid and flip it over so that Toshiba logo is facing down.

  2. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 2, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 2, image 2 of 2
    • Remove the two 6.5 mm Phillips head screws indicated using a Phillips #00 screw driver.

  3. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 3, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 3, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 3, image 3 of 3
    • Once the screws are removed, slide the battery pack out of the computer.

  4. Toshiba Satellite L55t-B5271 Motherboard Replacement, Back Panel: step 4, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Back Panel: step 4, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Back Panel: step 4, image 3 of 3
    Tool used on this step:
    Anti-Static Wrist Strap
    $7.95
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    • Remove all 6.5 mm Philips head screws on the back cover of the laptop with a Philips #00 screwdriver.

    • Use the plastic opening tool to remove the back cover from the laptop.

    • Be aware that static discharge can cause damage to sensitive electrical components within the computer. To avoid this you can wear an anti-static wrist strap.

  5. Toshiba Satellite L55t-B5271 Motherboard Replacement, RAM: step 5, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, RAM: step 5, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, RAM: step 5, image 3 of 3
    • This laptop does not have a RAM present. Follow instructions to replace your own.

    • Evenly press down on the clips on either side of the RAM stick.

    • To pull out the RAM stick, be sure to align the notches on the RAM stick with the notches in the RAM holder.

  6. Toshiba Satellite L55t-B5271 Motherboard Replacement, Wireless Card: step 6, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement, Wireless Card: step 6, image 2 of 2
    • Remove the ribbon by flipping up the tabs and using the black tweezers to gently pull the ribbon out from both ends.

  7. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 7, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 7, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 7, image 3 of 3
    • Remove the tape from the card.

    • Disconnect the wires using the #4 black spudger tool.

  8. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 8, image 1 of 1
    • Remove the 3mm Phillips head screw with a Phillips #00 screwdriver.

  9. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 9, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 9, image 2 of 2
    • Pull up on the wireless card and remove it from the device.

  10. Toshiba Satellite L55t-B5271 Motherboard Replacement, CD Drive: step 10, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement, CD Drive: step 10, image 2 of 2
    • Remove the 3 mm Philips head screw that connects the CD drive to motherboard with a Phillips #00 screwdriver.

  11. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 11, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 11, image 2 of 2
    • Gently pull the CD drive out, disconnecting it from the motherboard connector marked in blue.

  12. Toshiba Satellite L55t-B5271 Motherboard Replacement, Cooling Fan with Heat Sink: step 12, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Cooling Fan with Heat Sink: step 12, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Cooling Fan with Heat Sink: step 12, image 3 of 3
    • The ribbon and wire must be moved out of the way of the fan.

    • Using a black tweezer tool, lift the tab holding the ribbon in place and then gently pull it out.

    • Using the same tweezer tool, again lift the tab holding the wires in place and gently pull them out.

  13. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 13, image 1 of 2 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 13, image 2 of 2
    • Unscrew the two 3mm Phillips head screws on each fan using the Phillips #00 screwdriver.

  14. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 14, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 14, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 14, image 3 of 3
    • Unscrew the four, 3mm Phillips head screws holding the last piece to the laptop using a Phillips #00 screwdriver.

    • Gently pull the cooling fan with heat sink off the laptop and set aside.

  15. Toshiba Satellite L55t-B5271 Motherboard Replacement, Motherboard: step 15, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Motherboard: step 15, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement, Motherboard: step 15, image 3 of 3
    • Disconnect all of the ribbons by lifting the tabs and gently pulling them out.

  16. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 16, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 16, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 16, image 3 of 3
    • Remove the wires from the motherboard using the tweezers.

  17. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 17, image 1 of 1
    • Remove all seven of the 3mm Phillips head screws with the Phillips #00 screwdriver.

  18. Toshiba Satellite L55t-B5271 Motherboard Replacement: step 18, image 1 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 18, image 2 of 3 Toshiba Satellite L55t-B5271 Motherboard Replacement: step 18, image 3 of 3
    • Gently lift the motherboard from the back of the laptop.

Conclusion

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

One other person completed this guide.

Noelle Dulude

Member since: 03/19/18

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4 Guides authored

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