Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement

Antonio Franco 和 3 其他贡献者

最后更新于 May 7, 2024

5分钟

中等

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简介

转到步骤 1

The display assembly is featured as a wide touchscreen, and holds an integrated camera.

Replacement of this assembly is fairly simple, though must be handled with care.

It is possible to replace components of the display assembly itself, however, it is a task that should be sought after by those who have the correct tools to replace such components.

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工具

步骤 1 Base Cover

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Base Cover: 步骤 1 中的图像 1，2

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Base Cover: 步骤 1 中的图像 2，2

Remove the eight M2 5mm screws that secure the base cover using a Phillips #0 screwdriver.

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步骤 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.

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步骤 3

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement: 步骤 3 中的图像 3，3

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!

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步骤 4

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement: 步骤 4 中的图像 3，3

Carefully remove the base cover from the laptop.

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步骤 5 Wireless Card (NIC)

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Wireless Card (NIC): 步骤 5 中的图像 1，3

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Wireless Card (NIC): 步骤 5 中的图像 2，3

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Wireless Card (NIC): 步骤 5 中的图像 3，3

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.

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步骤 6 Fan

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Fan: 步骤 6 中的图像 1，2

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Fan: 步骤 6 中的图像 2，2

Gently remove the I/O cable.

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步骤 7

Remove the fan cable from the motherboard.

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步骤 8

Remove two 3 mm screws that secure the fan using a Phillips #0 screwdriver.

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步骤 9

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.

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步骤 10 Heatsink

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Heatsink: 步骤 10 中的图像 1，2

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Heatsink: 步骤 10 中的图像 2，2

Loosen seven 3 mm captive screws securing the heatsink to the motherboard using a Phillips #0 screwdriver.

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步骤 11

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement: 步骤 11 中的图像 3，3

Lift the heatsink off the motherboard.

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步骤 12 Display Assembly

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Display Assembly: 步骤 12 中的图像 1，2

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement, Display Assembly: 步骤 12 中的图像 2，2

Ensure that you have your device opened flat at a 180 degree angle. This will make removal easier.

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步骤 13

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement: 步骤 13 中的图像 3，3

在这个步骤中使用的工具：

Tweezers

$4.99

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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.

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步骤 14

Remove the two screws holding down the assembly on the right hand area using a Phillips #00 screwdriver.

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步骤 15

Dell Inspiron 17" 7786 2-in-1 Display Assembly Replacement: 步骤 15 中的图像 3，3

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.