Difficulty
Moderate
Steps
23
Time Required
10 minutes
Sections
7
- Base Cover
- 4 steps
- Memory Modules (RAM)
- 3 steps
- Wireless Card (NIC)
- 1 step
- Fan
- 4 steps
- Heatsink
- 2 steps
- Display Assembly
- 6 steps
- Motherboard
- 3 steps
Flags
1
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BackDell Inspiron 17" 7786 2-in-1
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Introduction
What you need
Step 1
Base Cover
- Remove the eight M2 5mm screws that secure the base cover using a Phillips #0 screwdriver.
Remove the eight M2 5mm screws that secure the base cover using a Phillips #0 screwdriver.
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Step 2
- Loosen the three captive screws that secure the base closer to the hinges.
- Do not attempt to remove the three captive screws! You need only to loosen them. They’re supposed to stay on the base cover.
Loosen the three captive screws that secure the base closer to the hinges.
Do not attempt to remove the three captive screws! You need only to loosen them. They’re supposed to stay on the base cover.
Step 3
- Carefully pry the base cover using an iFixit opening tool in the crevice near the hinges. Guide the pick along the edges and slightly lift upwards as you go along.
- Do not start from the speaker end of the edges when opening, or you may cause further damage to your device!
Carefully pry the base cover using an iFixit opening tool in the crevice near the hinges. Guide the pick along the edges and slightly lift upwards as you go along.
Do not start from the speaker end of the edges when opening, or you may cause further damage to your device!
Step 4
- Carefully remove the base cover from the laptop.
Carefully remove the base cover from the laptop.
Step 5
Memory Modules (RAM)
- Lift the cover to gain access to the memory module.
Lift the cover to gain access to the memory module.
Step 6
- Carefully open the securing clips on the end of each memory module slot until the module stick sticks up.
Carefully open the securing clips on the end of each memory module slot until the module stick sticks up.
Step 7
- Remove the memory module by sliding it out of the slot.
Remove the memory module by sliding it out of the slot.
Step 8
Wireless Card (NIC)
- Remove the screw holding down the small bracket for the wireless card using a Phillips #0 screwdriver.
- Remove the black wired connection from the port over the black triangle.
- Remove the wire with the white marking from the port above the white triangle.
- Pull the Wi-Fi card out of its slot.
Remove the screw holding down the small bracket for the wireless card using a Phillips #0 screwdriver.
Remove the black wired connection from the port over the black triangle.
Remove the wire with the white marking from the port above the white triangle.
Pull the Wi-Fi card out of its slot.
Step 9
Fan
- Gently remove the I/O cable.
Gently remove the I/O cable.
Step 10
- Remove the fan cable from the motherboard.
Remove the fan cable from the motherboard.
Step 11
- Remove two 3 mm screws that secure the fan using a Phillips #0 screwdriver.
Remove two 3 mm screws that secure the fan using a Phillips #0 screwdriver.
Step 12
- There is a little piece of tape/sticker on the fan that connects it to the heat sink. Gently remove this.
- Lift the fan off the palm rest assembly.
There is a little piece of tape/sticker on the fan that connects it to the heat sink. Gently remove this.
Lift the fan off the palm rest assembly.
Step 13
Heatsink
- Loosen seven 3 mm captive screws securing the heatsink to the motherboard using a Phillips #0 screwdriver.
Loosen seven 3 mm captive screws securing the heatsink to the motherboard using a Phillips #0 screwdriver.
Step 14
- Lift the heatsink off the motherboard.
Lift the heatsink off the motherboard.
Step 15
Display Assembly
- Ensure that you have your device opened flat at a 180 degree angle. This will make removal easier.
Ensure that you have your device opened flat at a 180 degree angle. This will make removal easier.
Step 16
- Locate the ribbon cables for the assembly on the right hand side marked “MB1” and “MB2.”
- The “MB1” ribbon is locked with a copper/brass colored handle that must be lifted upwards. Then you can remove the ribbon by pulling it away from the socket.
- The “MB2” ribbon is locked in its socket with a black latch. Using a non-metallic precision tool (such as tweezers) lift the latch and pull away the MB2 cable.
Locate the ribbon cables for the assembly on the right hand side marked “MB1” and “MB2.”
The “MB1” ribbon is locked with a copper/brass colored handle that must be lifted upwards. Then you can remove the ribbon by pulling it away from the socket.
The “MB2” ribbon is locked in its socket with a black latch. Using a non-metallic precision tool (such as tweezers) lift the latch and pull away the MB2 cable.
Step 17
- Remove the two screws holding down the assembly on the right hand area using a Phillips #00 screwdriver.
Remove the two screws holding down the assembly on the right hand area using a Phillips #00 screwdriver.
Step 18
- Remove the screw protecting the endpoints of the NIC cables and NIC chip using a Phillips #0 screwdriver.
- Gently pull away the cabling from the NIC chip.
- The wires can be removed without removing the heat sink, though this is not advised if you are not familiar with the layout.
Remove the screw protecting the endpoints of the NIC cables and NIC chip using a Phillips #0 screwdriver.
Gently pull away the cabling from the NIC chip.
The wires can be removed without removing the heat sink, though this is not advised if you are not familiar with the layout.
Step 19
- Remove the two screws holding down the bracket of the assembly on the left hand side using a Phillips #0 screwdriver.
Remove the two screws holding down the bracket of the assembly on the left hand side using a Phillips #0 screwdriver.
Step 20
- Lift the display assembly upwards away from the palm/main assembly.
Lift the display assembly upwards away from the palm/main assembly.
Step 21
Motherboard
- Disconnect all cables from the system board:
- Keyboard cables with latches
- HDD cable with latch
- I/O cable that must be lifted or carefully pried away from the board using a spudger
- It is intended to pull on the black tab of the plug to remove the cable, though it is prone to ripping when doing so.
Disconnect all cables from the system board:
Keyboard cables with latches
HDD cable with latch
I/O cable that must be lifted or carefully pried away from the board using a spudger
It is intended to pull on the black tab of the plug to remove the cable, though it is prone to ripping when doing so.
Step 22
- Disconnect the touch pad cable with the latch.
Disconnect the touch pad cable with the latch.
Step 23
- Remove the two screws holding down the system board using a Phillips #0 screwdriver:
- One screw is located above the RAM slot to the right.
- Another screw is located next to the I/O cable near the edge on the left.
- Lift the motherboard out of the laptop.
Remove the two screws holding down the system board using a Phillips #0 screwdriver:
One screw is located above the RAM slot to the right.
Another screw is located next to the I/O cable near the edge on the left.
Lift the motherboard out of the laptop.
To reassemble your device, follow these instructions in reverse order.
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Antonio Franco
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