Fix Your Stuff Community Store

Dell Chromebook 3100 2-in-1 Motherboard Replacement

Introduction

Follow this guide to remove and replace the motherboard in the Dell Chromebook 3100 2-in-1 laptop.

For your safety, discharge your battery below 25% before disassembling it. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

What you need

  1. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Back Cover: step 1, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Back Cover: step 1, image 2 of 2

    • Using a Phillips #1 screwdriver, remove all nine of the 5 mm screws from the back cover.

    Edit

  2. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 2, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 2, image 2 of 2

    • Use the opening tool to pry the back cover off of the device.

    Edit

  3. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Battery: step 3, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Battery: step 3, image 2 of 2

    • Disconnect the battery cable from the connector on the system board.

    Edit

  4. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 4, image 1 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 4, image 2 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 4, image 3 of 3

    • Using a Phillips #1 screwdriver, remove the three 4 mm screws that secure the battery.

    • Remove the adhesive tape that secures the battery in place.

    Edit

  5. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 5, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 5, image 2 of 2

    • Carefully remove the battery from the device.

    Edit

  6. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Speaker: step 6, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Speaker: step 6, image 2 of 2

    • Remove adhesive tape that secures the speaker cable.

    • Disconnect the speaker cable from the connector on the system board.

    Edit

  8. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 7, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 7, image 2 of 2

    • Remove the speaker cable from the retention clips.

    Edit

  9. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 8, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 8, image 2 of 2

    • Lift and remove the speakers from the device.

    Edit

  10. Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: step 9, image 1 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: step 9, image 2 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement, Motherboard: step 9, image 3 of 3

    • Disconnect the keyboard cable.

    Edit

  11. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 10, image 1 of 1

    • Disconnect the two input-output board cables from the motherboard.

    Edit

  12. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 11, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 11, image 2 of 2

    • Disconnect the touchpad cable.

    • Disconnect the USB Type-C power cable.

    Edit

  13. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 12, image 1 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 12, image 2 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 12, image 3 of 3

    • Remove the single 3 mm screw that secures the WLAN bracket to the system board using a Phillips #1 screwdriver.

    • Lift the WLAN bracket from the system board.

    • After lifting the bracket, carefully unplug the two coaxial cables.

    Edit

  14. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 13, image 1 of 1

    • Remove the single 4 mm screw that secures the eDP bracket to the motherboard using a Phillips #1 screwdriver.

    • Remove the eDP bracket.

    Edit

  15. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 14, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 14, image 2 of 2

    • Disconnect the display cable from the motherboard by using a plastic opening pick.

    Edit

  16. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 15, image 1 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 15, image 2 of 3 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 15, image 3 of 3

    • Remove the five 4 mm screws that secure the motherboard using a Phillips #1 screwdriver.

    Edit

  17. Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 16, image 1 of 2 Dell Chromebook 3100 2-in-1 Motherboard Replacement: step 16, image 2 of 2

    • Lift and remove the motherboard from the computer.

    Edit
Conclusion

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

4 other people completed this guide.

Author

with 3 other contributors

Muhammad Ali

Member since: 09/02/21

316 Reputation

2 Guides authored

Badges: 8

+5 more badges

Team

Gateway, Team 1-1, Pee Fall 2021 Member of Gateway, Team 1-1, Pee Fall 2021

GCC-PEE-F21S1G1

5 Members

5 Guides authored

One Comment

Any idea how to use the USB repair shim? Dell's guide didn't help

Josie - Reply

Add Comment

View Statistics:

Past 24 Hours: 3

Past 7 Days: 17

Past 30 Days: 68

All Time: 1,727