Htc Vive Cosmos Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          40 minutes - 2 hours

Sections

Facerest
1 step
Faceplate
2 steps
Focus Knob
2 steps
LCD and Motherboard Assembly
15 steps
LCD Frame Assembly
4 steps
Motherboard
20 steps

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Introduction

Make sure that the Vive Cosmos is powered off and disconnected from power before beginning disassembly.

What you need

Step 1

              Remove the facerest

Pull the bottom of the facerest straight away from the Vive Cosmos to unclip it from the Vive.
With the bottom unclipped, pull the top of the facerest away from the Vive to remove it.

Pull the bottom of the facerest straight away from the Vive Cosmos to unclip it from the Vive.

With the bottom unclipped, pull the top of the facerest away from the Vive to remove it.

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Step 2

              Release the faceplate switch

Use your finger to push the sliding faceplate release switch, sitting to the left of the lenses, toward the bottom of the Vive.

Use your finger to push the sliding faceplate release switch, sitting to the left of the lenses, toward the bottom of the Vive.

Step 3

              Remove the faceplate

While holding the switch in the bottom position, pull the faceplate straight up and away from the front of the Vive.
Remove the faceplate.

While holding the switch in the bottom position, pull the faceplate straight up and away from the front of the Vive.

Remove the faceplate.

Step 4

              Unscrew the focus knob

Use a T5 Torx driver to remove the 4.1 mm long screw securing the focus knob.

Use a T5 Torx driver to remove the 4.1 mm long screw securing the focus knob.

Step 5

              Remove the focus knob

Slide the focus knob out of the plastic housing, off of the focus rod, and remove it.

Slide the focus knob out of the plastic housing, off of the focus rod, and remove it.

Step 6

              Unplug the audio connector

Twist the 3.5 mm audio connector counter-clockwise slightly and slide its cable out from under the plastic retaining clip.
Lift the audio connector straight up to unplug it.

Twist the 3.5 mm audio connector counter-clockwise slightly and slide its cable out from under the plastic retaining clip.

Lift the audio connector straight up to unplug it.

Step 7

              Unscrew the LCD and motherboard assembly

Use a T5 Torx driver to remove the three 4.1 mm long screws securing the LCD and motherboard assembly.

Use a T5 Torx driver to remove the three 4.1 mm long screws securing the LCD and motherboard assembly.

Step 8

Gently peel up the stickers on either side of the front of the Vive. If possible, keep the stickers intact and reuse them.

Gently peel up the stickers on either side of the front of the Vive. If possible, keep the stickers intact and reuse them.

Step 9

Use a T5 Torx driver to unscrew the screws securing the upper component cover and the LCD and motherboard assembly:
Sixteen 4.1 mm long screws
One captive screw
This screw is covered by a sticker. Poke your driver through the sticker to access the screw.
Two 4.1 mm long screws
These screws are covered by stickers. Poke your driver through the stickers to access the screws.

Use a T5 Torx driver to unscrew the screws securing the upper component cover and the LCD and motherboard assembly:

Sixteen 4.1 mm long screws

One captive screw

This screw is covered by a sticker. Poke your driver through the sticker to access the screw.

Two 4.1 mm long screws

These screws are covered by stickers. Poke your driver through the stickers to access the screws.

Step 10

              Remove the microphone

Remove the microphone cover from the bottom edge of the headset.

Remove the microphone cover from the bottom edge of the headset.

Step 11

              Separate the microphone adhesive

Slide an opening pick under the microphone to separate the adhesive securing it to the Vive.
If this is difficult, use a heated iOpener, hair dryer, or heat gun to apply heat to adhesive.

Slide an opening pick under the microphone to separate the adhesive securing it to the Vive.

If this is difficult, use a heated iOpener, hair dryer, or heat gun to apply heat to adhesive.

Step 12

              Remove the upper component cover

Angle the bottom end of the upper component cover away from the front of the Vive.
Pull the upper component cover away from the front of the Vive and remove it.

Angle the bottom end of the upper component cover away from the front of the Vive.

Pull the upper component cover away from the front of the Vive and remove it.

Step 13

              Remove the camera connector covers

Slide the camera connector covers on either side of the LCD and motherboard assembly away from the center off of the assembly and remove them.

Slide the camera connector covers on either side of the LCD and motherboard assembly away from the center off of the assembly and remove them.

Step 14

              Disconnect the cameras

Peel the tape over the right camera connector back enough to access the camera’s ZIF connector underneath.
Repeat the same process to peel back the tape over the left camera ZIF connector.

Peel the tape over the right camera connector back enough to access the camera’s ZIF connector underneath.

Repeat the same process to peel back the tape over the left camera ZIF connector.

Step 15

Use the point of a spudger to flip up the small locking flap securing the right camera cable ZIF connector.
Carefully slide the camera connector cable straight out of its socket on the motherboard.

Use the point of a spudger to flip up the small locking flap securing the right camera cable ZIF connector.

Carefully slide the camera connector cable straight out of its socket on the motherboard.

Step 16

Use the point of a spudger to flip up the small locking flap securing the left camera cable ZIF connector.
Carefully slide the camera connector cable straight out of its socket on the motherboard.

Use the point of a spudger to flip up the small locking flap securing the left camera cable ZIF connector.

Step 17

              Disconnect the microphone

Peel the yellow tape off of the microphone connector.

Peel the yellow tape off of the microphone connector.

Step 18

Use the point of a spudger to flip up the small locking flap securing the microphone cable ZIF connector.

Use the point of a spudger to flip up the small locking flap securing the microphone cable ZIF connector.

Step 19

Carefully slide the microphone connector cable straight out of its socket on the motherboard.
With the cable out of its socket, slide the cable toward the bottom of the Vive and out of its clip on the LCD and motherboard assembly.
Take care not to crease or tear the cable while you’re moving it.

Carefully slide the microphone connector cable straight out of its socket on the motherboard.

With the cable out of its socket, slide the cable toward the bottom of the Vive and out of its clip on the LCD and motherboard assembly.

Take care not to crease or tear the cable while you’re moving it.

Step 20

              Remove the LCD and motherboard assembly

Lift the LCD and motherboard assembly out of the headset.
The assembly is secured by clips around the edges. It may help to release the clips using a thin plastic tool, like an opening tool or a spudger.

Lift the LCD and motherboard assembly out of the headset.

The assembly is secured by clips around the edges. It may help to release the clips using a thin plastic tool, like an opening tool or a spudger.

Step 21

              Disconnect the LCD panels

Use a T5 Torx driver to remove the four 2.9 mm long screws securing the LCD connectors.

Use a T5 Torx driver to remove the four 2.9 mm long screws securing the LCD connectors.

Step 22

Use the flat end of a spudger to pry the LCD connectors straight up and out of their sockets on the daughterboard.

Use the flat end of a spudger to pry the LCD connectors straight up and out of their sockets on the daughterboard.

Step 23

              Remove the LCD frame assembly

Gently pull the bottom edge of the midframe away from the bottom edges of the LCD frames to unclip the LCD frames from the midframe.

Gently pull the bottom edge of the midframe away from the bottom edges of the LCD frames to unclip the LCD frames from the midframe.

Step 24

Remove the LCD frame assembly from the midframe.
During reassembly, first seat the support rod in its slots in the midframe. Then gently press the rest of the LCD frame assembly into the midframe so that the bottom edges of the LCD frames clip into the midframe.

Remove the LCD frame assembly from the midframe.

During reassembly, first seat the support rod in its slots in the midframe. Then gently press the rest of the LCD frame assembly into the midframe so that the bottom edges of the LCD frames clip into the midframe.

Step 25

              Disconnect the headset button

Peel the yellow tape off of the headset button connector.

Peel the yellow tape off of the headset button connector.

Step 26

Use the point of a spudger to flip up the small locking flap securing the headset button cable ZIF connector.
Carefully slide the headset button connector cable straight out of its socket on the motherboard.

Use the point of a spudger to flip up the small locking flap securing the headset button cable ZIF connector.

Carefully slide the headset button connector cable straight out of its socket on the motherboard.

Step 27

              Disconnect the fan cable

Peel the black plastic sticker off of the left side of the motherboard.

Peel the black plastic sticker off of the left side of the motherboard.

Step 28

Use the tip of a spudger to push one side of the the fan connector slightly out of its socket on the motherboard, then push on the other side of the connector. Continue alternating pressure on each side to gently ease the connector out of its socket.
Apply pressure parallel to the motherboard. Do not pry up on the connector.

Use the tip of a spudger to push one side of the the fan connector slightly out of its socket on the motherboard, then push on the other side of the connector. Continue alternating pressure on each side to gently ease the connector out of its socket.

Apply pressure parallel to the motherboard. Do not pry up on the connector.

Step 29

              Disconnect the left camera

Use the flat end of a spudger to flip up the locking flap securing the left camera cable ZIF connector.
Carefully slide the camera cable straight out of its socket on the motherboard.

Use the flat end of a spudger to flip up the locking flap securing the left camera cable ZIF connector.

Carefully slide the camera cable straight out of its socket on the motherboard.

Step 30

              Disconnect the second interconnect cable

Peel the yellow tape off of both the second interconnect cable and its socket on the motherboard.

Peel the yellow tape off of both the second interconnect cable and its socket on the motherboard.

Step 31

Use the flat end of a spudger to flip up the locking flap securing the second interconnect cable ZIF connector.
Carefully slide the second interconnect cable straight out of its socket on the motherboard.

Use the flat end of a spudger to flip up the locking flap securing the second interconnect cable ZIF connector.

Carefully slide the second interconnect cable straight out of its socket on the motherboard.

Step 32

              Disconnect the microphone

Step 33

Use the point of a spudger to flip up the small locking flap securing the microphone cable ZIF connector.
Carefully slide the microphone cable straight out of its socket.

Carefully slide the microphone cable straight out of its socket.

Step 34

              Disconnect the right camera

Peel the black plastic sticker off of the right side of the motherboard.

Peel the black plastic sticker off of the right side of the motherboard.

Step 35

Use the flat end of a spudger to flip up the locking flap securing the right camera cable ZIF connector.
Carefully slide the camera cable straight out of its socket on the motherboard.

Use the flat end of a spudger to flip up the locking flap securing the right camera cable ZIF connector.

Step 36

              Unscrew the heat sink and motherboard

Use a T5 Torx driver to remove the screws securing the motherboard, heat sink, and fan:
Five 4.1 mm long screws
One 8.5 mm long screw

Use a T5 Torx driver to remove the screws securing the motherboard, heat sink, and fan:

Five 4.1 mm long screws

One 8.5 mm long screw

Step 37

              Remove the heat sink bracket

Remove the heat sink bracket.

Remove the heat sink bracket.

Step 38

              Remove the heat sink

Use the flat end of a spudger to gently pry the heat sink off of the CPU.
During reassembly, make sure to properly clean the heat sink and CPU, and apply new thermal paste.

Use the flat end of a spudger to gently pry the heat sink off of the CPU.

During reassembly, make sure to properly clean the heat sink and CPU, and apply new thermal paste.

Step 39

Carefully thread the heatsink through its slot in the midframe and remove it.

Carefully thread the heatsink through its slot in the midframe and remove it.

Step 40

              Disconnect the motherboard

Hinge the top end of the motherboard slightly away from the midframe.
Slide the motherboard up and out of the clips holding its bottom edge against the midframe.
Do not remove the motherboard yet, it is still connected to the daughterboard.

Hinge the top end of the motherboard slightly away from the midframe.

Slide the motherboard up and out of the clips holding its bottom edge against the midframe.

Do not remove the motherboard yet, it is still connected to the daughterboard.

Step 41

Swing the motherboard toward the top of the midframe to access the underside of the motherboard.
A metal bracket with a screw boss and thermal paste will likely fall off of the motherboard during this step. Keep track of the bracket and during reassembly return it to its position, shown in the last photo. One of the motherboard screws will thread into it.

Swing the motherboard toward the top of the midframe to access the underside of the motherboard.

A metal bracket with a screw boss and thermal paste will likely fall off of the motherboard during this step. Keep track of the bracket and during reassembly return it to its position, shown in the last photo. One of the motherboard screws will thread into it.

Step 42

Peel the tape over the daughterboard interconnect cable back far enough to access the cable connector.

Peel the tape over the daughterboard interconnect cable back far enough to access the cable connector.

Step 43

Use the flat end of a spudger to flip up the locking flap securing the interconnect cable ZIF connector.
Carefully slide the interconnect cable straight out of its socket.
Remove the motherboard.

Use the flat end of a spudger to flip up the locking flap securing the interconnect cable ZIF connector.

Carefully slide the interconnect cable straight out of its socket.

Remove the motherboard.

Step 44

              Remove the motherboard

Only the motherboard remains.

Only the motherboard remains.

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

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Author

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                    Adam O'Camb

Member since: 04/11/2015

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Introduction#

What you need#

Introduction

What you need