Dell Inspiron 15 7547 Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          30 - 40 minutes

Sections

Bottom Cover
2 steps
Battery
3 steps
WiFi Card
3 steps
Hard Drive
3 steps
CPU Fan
3 steps
RAM
3 steps
LCD Assembly
4 steps
Motherboard
7 steps

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Introduction

What you need

Step 1

              Bottom Cover

Before you begin, be sure to turn off your laptop and unplug it from the outlet.
Close the display and flip the laptop on its back.
Loosen the ten 5.0 mm-long Phillips #0 screws.
The four screws marked with orange will remain captive to the cover.

Before you begin, be sure to turn off your laptop and unplug it from the outlet.

Close the display and flip the laptop on its back.

Loosen the ten 5.0 mm-long Phillips #0 screws.

The four screws marked with orange will remain captive to the cover.

1024

Step 2

Use a spudger to pry up and loosen the back cover.
Remove the back cover.

Use a spudger to pry up and loosen the back cover.

Remove the back cover.

Step 3

              Battery

Remove the five 5.0 mm-long Philips #0 screws that connect the battery to the case.

Remove the five 5.0 mm-long Philips #0 screws that connect the battery to the case.

Step 4

Lift the battery out of the case.

Lift the battery out of the case.

Step 5

Pull the battery cable’s pull tab towards the battery to disconnect it from the motherboard.
Pull parallel to the motherboard, not straight up.
Most of the cable is attached to the case with adhesive, which may cause slight resistance.
Remove the battery.

Pull the battery cable’s pull tab towards the battery to disconnect it from the motherboard.

Pull parallel to the motherboard, not straight up.

Most of the cable is attached to the case with adhesive, which may cause slight resistance.

Remove the battery.

Step 6

              WiFi Card

Remove the 3.0 mm-long Philips #0 screw at the end of the Wifi-Card

Remove the 3.0 mm-long Philips #0 screw at the end of the Wifi-Card

Step 7

Remove the Wifi-Card from its socket by pulling away and up from the connector.

Remove the Wifi-Card from its socket by pulling away and up from the connector.

Step 8

Disconnect the white and black cables from the Wifi-Card.
Make a note of which wire goes where for reconnecting them to the replacement card.

Disconnect the white and black cables from the Wifi-Card.

Make a note of which wire goes where for reconnecting them to the replacement card.

Step 9

              Hard Drive

Remove the four 5.0 mm-long Philips #0 screws connecting the hard drive to the chassis.

Remove the four 5.0 mm-long Philips #0 screws connecting the hard drive to the chassis.

Step 10

Disconnect the hard drive from the motherboard by placing your fingers at the back, and pulling forward towards the front of the chassis.

Disconnect the hard drive from the motherboard by placing your fingers at the back, and pulling forward towards the front of the chassis.

Step 11

Lift the hard drive out of the chassis.

Lift the hard drive out of the chassis.

Step 12

              CPU Fan

Remove the two 5.0 mm-long Philips #0 screws from the fan.
The screw marked in orange will remain captive to the fan.

Remove the two 5.0 mm-long Philips #0 screws from the fan.

The screw marked in orange will remain captive to the fan.

Step 13

Disconnect the wire that connects the fan to the motherboard. This can be found under the flap directly to the left of the fan.

Disconnect the wire that connects the fan to the motherboard. This can be found under the flap directly to the left of the fan.

Step 14

Lift the fan out of the chassis.

Lift the fan out of the chassis.

Step 15

RAM

Remove the plastic heat spreader that covers the RAM sticks.

Remove the plastic heat spreader that covers the RAM sticks.

Step 16

Release the clamps on each side of the RAM sticks by pushing away from the center.
When done properly the RAM stick should pop up.

Release the clamps on each side of the RAM sticks by pushing away from the center.

When done properly the RAM stick should pop up.

Step 17

Pull the RAM stick in a straight line out of the socket.

Pull the RAM stick in a straight line out of the socket.

Step 18

              LCD Assembly

Remove the six 7.0 mm-long Philips #0 screws that mount the hinges.

Remove the six 7.0 mm-long Philips #0 screws that mount the hinges.

Step 19

Use a spudger to unlatch and unplug the display cable.
There will be a notch on the side of the connector.

Use a spudger to unlatch and unplug the display cable.

There will be a notch on the side of the connector.

Step 20

Raise the left and right hinges.

Raise the left and right hinges.

Step 21

Remove the LCD display assembly from the laptop.

Remove the LCD display assembly from the laptop.

Step 22

              Motherboard

Unlatch the ribbon cable by pulling the white release up.
If this proves to be difficult using your fingers, try a plastic spudger.
Hold the blue flap and pull to unplug the cable.

Unlatch the ribbon cable by pulling the white release up.

If this proves to be difficult using your fingers, try a plastic spudger.

Hold the blue flap and pull to unplug the cable.

Step 23

Unlatch black release on the ribbon cable.
Hold the blue flap to unplug the cable.

Unlatch black release on the ribbon cable.

Hold the blue flap to unplug the cable.

Step 24

Unlatch the ribbon cable by pulling the black release up.
Unlike the others, this release is found at the back.
Hold the flap and unplug the cable.

Unlatch the ribbon cable by pulling the black release up.

Unlike the others, this release is found at the back.

Hold the flap and unplug the cable.

Step 25

Unlatch the ribbon cable by pulling the black release up.
Unlike the others this release is found at back.
Hold the blue flap and unplug the cable.

Unlike the others this release is found at back.

Hold the blue flap and unplug the cable.

Step 26

Unplug the DC jack cable.

Unplug the DC jack cable.

Step 27

Remove the seven 3.0 mm-long Philips #0 screws that secure the motherboard.

Remove the seven 3.0 mm-long Philips #0 screws that secure the motherboard.

Step 28

Remove the motherboard from the laptop.

Remove the motherboard from the laptop.

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

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                    Kevin Smith

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Team

                       Appalachian State University, Team S2-G4, Menagarishvili Fall 2018                        

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Introduction

What you need

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