Tablet · Microsoft · Surface Pro 3
Microsoft Surface Pro 3 Home Button Repair
Home Button Repair guide for the Microsoft Surface Pro 3
Before you begin
Tools
- Heat gun or hair dryer
- Suction cups
- Guitar picks for prying
- Plastic prying tools
- Precision screwdriver set
- Precision tweezers
- Anti-static wrist strap
Parts / materials
- Replacement Windows home button flex cable
- Pre-cut screen adhesive strips
- 90%+ Isopropyl alcohol
- Microfiber cloth
Safety
- Wear safety glasses while heating and prying glass to protect against glass splinters.
- Disconnect power and internal battery connector before handling internal cables.
- Do not insert prying tools deeper than 3mm to avoid damaging underlying surface flex cables.
Overview
Step-by-step
- 1
Power off device
1 minShut down the Surface Pro 3 completely and disconnect the charger and any external peripherals.
- 2
Heat screen border
4 minUse a heat gun on low heat around the outer glass edges for two minutes to soften the display adhesive.
- 3
Attach suction cup
2 minPlace a suction cup on the top corner of the front glass to create lifting leverage.
- 4
Slice perimeter adhesive
8 minInsert a plastic opening pick under the glass edge and slowly slide it along the perimeter, avoiding deep insertion.
- 5
Separate glass screen
3 minGently lift the right edge of the display assembly like a book to reveal the internal ribbon cables.
- 6
Disconnect battery cable
2 minUse a plastic spudger to disconnect the battery interlock cable before touching internal circuitry.
- 7
Detach display cables
3 minFlip up the ZIF retaining latches on the display ribbon connectors and slide the flex cables free.
- 8
Remove display assembly
2 minLift the display assembly off the chassis completely and place it face down on a soft mat.
- 9
Unscrew home button bracket
3 minRemove the T3 Torx screws securing the small metal shield bracket over the Windows home button area.
- 10
Disconnect home button flex
2 minPry up the press-fit ribbon cable connector for the home button using precision tweezers or a spudger.
- 11
Remove home button board
3 minGently pry the damaged home button sensor board off the frame using a plastic prying tool.
- 12
Install new home button module
3 minPosition the replacement home button assembly into the frame slot, ensuring proper orientation.
- 13
Connect home button flex
2 minAlign the press-fit ribbon connector over its socket and press firmly until it snaps into place.
- 14
Secure bracket screws
3 minReinstall the metal shield bracket over the home button module and tighten the T3 Torx screws.
- 15
Clean old adhesive
6 minApply isopropyl alcohol to a microfiber cloth and thoroughly scrape remaining adhesive off the frame edges.
- 16
Apply adhesive tape
5 minLay fresh double-sided pre-cut adhesive strips along the outer perimeter of the chassis frame.
- 17
Reconnect display cables
3 minSlide the display flex cables back into their ZIF connectors and lock the retaining latches down.
- 18
Seal display assembly
4 minAlign the glass display with the chassis edges and press down gently around the entire border to seat the adhesive.
After your Microsoft Surface Pro 3 home button repair
Power the Surface Pro 3 back on and test the home button repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Microsoft Surface Pro 3 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Microsoft Surface Pro 3 repair context in the encyclopedia, or open related DIY guides.
