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Dell XPS 17 L702X Motherboard Replacement

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  1. Dell XPS 17 L702X Motherboard Replacement, Battery: 步骤 1 中的图像 1,1
    • Before you begin, be sure to turn off your laptop and unplug it from the outlet.

    • Flip over the laptop so that the bottom battery compartment faces upwards.

  2. Dell XPS 17 L702X Motherboard Replacement: 步骤 2 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 2 中的图像 2,2
    • Slide the tab below the battery to the left and hold the tab in place.

  3. Dell XPS 17 L702X Motherboard Replacement: 步骤 3 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 3 中的图像 2,2
    • While holding the tab, lift the battery out of its compartment.

    • Release the tab after removing the battery.

  4. Dell XPS 17 L702X Motherboard Replacement, Hard Drive: 步骤 4 中的图像 1,1
    • Loosen the module cover screw with a Phillips screwdriver.

    • The screw is attached to the cover; do not force it out.

  5. Dell XPS 17 L702X Motherboard Replacement: 步骤 5 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 5 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 5 中的图像 3,3
    • Lift the module cover by inserting a plastic opening tool into the crevice near the screw and lift upwards.

  6. Dell XPS 17 L702X Motherboard Replacement: 步骤 6 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 6 中的图像 2,2
    • Remove the four 4mm Phillips screws fastening the first hard drive.

  7. Dell XPS 17 L702X Motherboard Replacement: 步骤 7 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 7 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 7 中的图像 3,3
    • Slide the hard drive with your hand towards the hole where the back panel assembly screw was located (in step 5) to disconnect it.

    • Lift the hard drive up to remove it from the case.

  8. Dell XPS 17 L702X Motherboard Replacement: 步骤 8 中的图像 1,1
    • Remove the four 4mm Phillips screws on the second hard drive.

  9. Dell XPS 17 L702X Motherboard Replacement: 步骤 9 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 9 中的图像 2,2
    • Slide the hard drive towards the edge nearest you to disconnect it.

  10. Dell XPS 17 L702X Motherboard Replacement: 步骤 10 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 10 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 10 中的图像 3,3
    • Using the tab that says "THIS SIDE UP," pull away from the laptop to remove the hard drive.

  11. Dell XPS 17 L702X Motherboard Replacement: 步骤 11 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 11 中的图像 2,2
    • Repeat this step for each hard drive.

    • Unscrew the two 4mm screws from each side of the hard drive casing with a Phillips screwdriver.

  12. Dell XPS 17 L702X Motherboard Replacement: 步骤 12 中的图像 1,1
    • Remove the hard drive casing.

  13. Dell XPS 17 L702X Motherboard Replacement, Palm Rest: 步骤 13 中的图像 1,1
    • Unscrew the screw holding the optical drive with a Phillips screwdriver.

  14. Dell XPS 17 L702X Motherboard Replacement: 步骤 14 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 14 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 14 中的图像 3,3
    • Using a plastic opening tool, pull out the optical drive.

  15. Dell XPS 17 L702X Motherboard Replacement: 步骤 15 中的图像 1,1
    • Unscrew three 4mm screws near the edge of the optical drive compartment with a Phillips screwdriver.

  16. Dell XPS 17 L702X Motherboard Replacement: 步骤 16 中的图像 1,1
    • Open the laptop to about a 90 degree angle and place it on its side with the empty optical drive slot pointing upwards.

  17. Dell XPS 17 L702X Motherboard Replacement: 步骤 17 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 17 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 17 中的图像 3,3
    • Push and hold the tab inside the optical drive's opening with your index finger.

    • Insert a spudger between the black and silver plastic pieces that are above the tab and pry apart the two pieces.

  18. Dell XPS 17 L702X Motherboard Replacement: 步骤 18 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 18 中的图像 2,2
    • Slide the spudger around the palm rest to release the clips.

    • You may hear a crackling noise; this is normal.

    • Use caution when sliding below the mouse pad, as there are wires we must detach in the next steps.

  19. Dell XPS 17 L702X Motherboard Replacement: 步骤 19 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 19 中的图像 2,2
    • Gently lift and rotate the palm rest panel until it's upside down as it is still connected by the mouse pad wires.

    • The mouse pad wires are still connected to the palm rest panel.

  20. Dell XPS 17 L702X Motherboard Replacement: 步骤 20 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 20 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 20 中的图像 3,3
    • Put the spudger below the black tab of the wider cable and push up to release.

    • Gently pull out the cable.

  21. Dell XPS 17 L702X Motherboard Replacement: 步骤 21 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 21 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 21 中的图像 3,3
    • Insert the spudger below the black tab of the remaining cable and push up to release.

    • Gently pull out the cable.

  22. Dell XPS 17 L702X Motherboard Replacement: 步骤 22 中的图像 1,1
    • Remove the palm rest from the laptop.

  23. Dell XPS 17 L702X Motherboard Replacement, Keyboard: 步骤 23 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement, Keyboard: 步骤 23 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement, Keyboard: 步骤 23 中的图像 3,3
    • Using the plastic opening tool, slightly lift and rotate the keyboard until it's upside down from the display side of the laptop.

    • DO NOT lift the keyboard all the way up as there are wires that are still connected.

  24. Dell XPS 17 L702X Motherboard Replacement: 步骤 24 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 24 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 24 中的图像 3,3
    • Gently insert the spudger below the edge of the black tab of the thin, copper colored cable and pry it open.

    • Gently pull out the cable.

  25. Dell XPS 17 L702X Motherboard Replacement: 步骤 25 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 25 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 25 中的图像 3,3
    • Gently insert the spudger under the edge of the black tab of the cable marked "UP" and pry it open.

    • Gently pull out the cable.

  26. Dell XPS 17 L702X Motherboard Replacement: 步骤 26 中的图像 1,1
    • Remove the keyboard from the laptop.

  27. Dell XPS 17 L702X Motherboard Replacement, Display: 步骤 27 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement, Display: 步骤 27 中的图像 2,2
    • Close the display, and flip the laptop over so that the bottom faces upwards.

    • Remove the two 16 mm screws with a Phillips screwdriver.

  28. Dell XPS 17 L702X Motherboard Replacement: 步骤 28 中的图像 1,1
    • Gently flip over the laptop and open the back cover assembly.

  29. Dell XPS 17 L702X Motherboard Replacement: 步骤 29 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 29 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 29 中的图像 3,3
    • Insert the pointy side of the spudger below the golden connector of the white cable on the WLAN card and lift to detach.

  30. Dell XPS 17 L702X Motherboard Replacement: 步骤 30 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 30 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 30 中的图像 3,3
    • Unscrew the 4mm screw from the WLAN card with a Phillips screwdriver. The card will lift itself after you remove the 4mm screw.

    • Gently pull out the WLAN card.

  31. Dell XPS 17 L702X Motherboard Replacement: 步骤 31 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 31 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 31 中的图像 3,3
    • Insert the pointy side of the spudger below the golden color connector of the gray cable on the WWAN card and lift to detach.

    • Insert the pointy side of the spudger below the golden color connector of the black cable on the WWAN card and lift to detach.

  32. Dell XPS 17 L702X Motherboard Replacement: 步骤 32 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 32 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 32 中的图像 3,3
    • Unscrew the 4mm screw from the WWAN card with a Phillips screwdriver. The card will lift itself.

    • Gently pull out the WWAN card.

  33. Dell XPS 17 L702X Motherboard Replacement: 步骤 33 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 33 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 33 中的图像 3,3
    • Gently remove the wires for the WLAN and WWAN cards from their housing.

  34. Dell XPS 17 L702X Motherboard Replacement: 步骤 34 中的图像 1,1
    • Unscrew four the 8mm screws directly under the keyboard with a Phillips screwdriver.

  35. Dell XPS 17 L702X Motherboard Replacement: 步骤 35 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 35 中的图像 2,2
    • Loosen the grounding screw attached to the black monitor cable with a Phillips screwdriver.

    • DO NOT ATTEMPT TO REMOVE THE SCREW FROM THE WIRE. The screw is permanently fixed onto the wire.

  36. Dell XPS 17 L702X Motherboard Replacement: 步骤 36 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 36 中的图像 2,2
    • Using the plastic opening tool, detach the connection from the cable to the board.

  37. Dell XPS 17 L702X Motherboard Replacement: 步骤 37 中的图像 1,1
    • Gently remove the monitor cable from its holdings from the board.

  38. Dell XPS 17 L702X Motherboard Replacement: 步骤 38 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 38 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 38 中的图像 3,3
    • Hold the plastic edge of the display firmly and lift to remove the display.

  39. Dell XPS 17 L702X Motherboard Replacement, Motherboard: 步骤 39 中的图像 1,1
    • Unscrew the ten 8mm screws from the grey inner casing with a Phillips screwdriver.

  40. Dell XPS 17 L702X Motherboard Replacement: 步骤 40 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 40 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 40 中的图像 3,3
    • Locate the sound card cable.

    • Gently unplug the sound card cable.

  41. Dell XPS 17 L702X Motherboard Replacement: 步骤 41 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 41 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 41 中的图像 3,3
    • Find the orange cable with the letters MB.

    • Gently insert the spudger below the edge of the black tab and pry it open.

    • DO NOT attempt to pull out the cable on this step.

  42. Dell XPS 17 L702X Motherboard Replacement: 步骤 42 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 42 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 42 中的图像 3,3
    • Locate the wire on the side of WWAN slot.

    • Using the spudger, gently pull out the cable.

  43. Dell XPS 17 L702X Motherboard Replacement: 步骤 43 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 43 中的图像 2,2
    • Gently flip the laptop with its bottom facing you.

    • Remove the four 8mm screws with a Phillips screwdriver.

    • Remove the two 16mm battery casing screws with a Phillips screwdriver.

    • Remove the two 16mm corner screws with a Phillips screwdriver.

    • Remove the two 4mm screws inside battery housing with a Phillips screwdriver.

    • Removing the RAM is optional. This guide does not cover the removal of the RAM card.

  44. Dell XPS 17 L702X Motherboard Replacement: 步骤 44 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 44 中的图像 2,2
    • Holding the opening from the optical drive in one hand with the other hand holding the opposite side of the laptop, lift and remove the back cover assembly.

  45. Dell XPS 17 L702X Motherboard Replacement: 步骤 45 中的图像 1,1
    • Unscrew the seven 4mm screws with a Phillips screwdriver.

  46. Dell XPS 17 L702X Motherboard Replacement: 步骤 46 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 46 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 46 中的图像 3,3
    • Unscrew the 6mm screw on the DC cable assembly with a Phillips screwdriver.

    • Lift the DC cable assembly out of the casing.

    • Gently unplug the DC cable.

  47. Dell XPS 17 L702X Motherboard Replacement: 步骤 47 中的图像 1,1
    • Lift and remove the Wi-Fi circuit board.

  48. Dell XPS 17 L702X Motherboard Replacement: 步骤 48 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 48 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 48 中的图像 3,3
    • Gently use a spudger to pry off the fan power cable.

    • Lift and remove the fan.

  49. Dell XPS 17 L702X Motherboard Replacement: 步骤 49 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 49 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 49 中的图像 3,3
    • Lift and remove the USB circuit board out of its housing.

    • Remove the orange cable from the motherboard by gently pulling away from the connection point.

  50. Dell XPS 17 L702X Motherboard Replacement: 步骤 50 中的图像 1,2 Dell XPS 17 L702X Motherboard Replacement: 步骤 50 中的图像 2,2
    • Loosen the six screws with a Phillips screwdriver.

    • The screws are attached to the heat sink piece. Do not attempt to remove them from the heat sink assembly.

  51. Dell XPS 17 L702X Motherboard Replacement: 步骤 51 中的图像 1,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 51 中的图像 2,3 Dell XPS 17 L702X Motherboard Replacement: 步骤 51 中的图像 3,3
    • Gently lift and remove the motherboard.

    • Clean the thermal paste with rubbing alcohol and a microfiber cloth or non-abrasive tissue.

结论

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

10等其他人完成本指南。

Eddie

于09/17/15注册

455 声望

创作了2篇指南

团队

CSU Fullerton, Team 2-6, Bruce Fall 2015 CSU Fullerton, Team 2-6, Bruce Fall 2015 的会员

CSUF-BRUCE-F15S2G6

4 名成员

创作了8篇指南

4条评论

it really helped me out with my extremely fast overheating pc. and now it is mutch cooler and working great, Thanks!

Bjorn stevens - 回复

I wouldn’t rate this as extremely difficult though to be honest. I’d say moderate at best.

Clems - 回复

Great step by step guide with excellent photos helped me to reapply Thermal paste to my CPU/GPU heatsink.

Thank you!

Petros Lamprakis - 回复

Not difficult at all to dismantle this thing. I do it all the time for maintenance.

80s Guy - 回复

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