Why is my Apple Watch Series 3 touch screen not working after a screen replacement?

Why is my Apple Watch Series 3 touch screen not working after a screen replacement?
I recently replaced the screen on my Apple Watch Series 3, and now the touch screen is completely unresponsive. I followed all the necessary steps for the replacement, ensuring I used the right tools and techniques. Initially, the display seemed fine, but when I tried to use the touch functions, nothing happened. The screen lights up, and notifications appear, but I can’t interact with the watch. I’m not sure if I might have damaged something internally during the process, or if there’s an issue with the replacement screen itself. It’s really frustrating because the watch is practically unusable now. What could be causing this, and what should I be looking for to diagnose the problem?
7 Answers

I experienced the same problem with my Apple Watch Series 3. Despite my best efforts, the touch screen remained unresponsive. I finally decided to take it to an authorized Apple repair center. They identified that the issue was due to a calibration mismatch between the new screen and the watch. They recalibrated it using specialized tools, which solved the problem. It turns out that sometimes, a DIY repair can only go so far without professional equipment.

The issue might be stemming from an improperly seated connector or a damaged component during the replacement. Here’s what you can do:
1. Re-open your Apple Watch and carefully inspect the connectors.
2. Make sure each connector is securely attached to the motherboard.
3. Look for any signs of physical damage or debris on the connectors.
4. Reassemble your watch and test for touch responsiveness again.

After replacing the screen on your Apple Watch Series 3, the unresponsiveness issue is likely due to a compatibility problem. The replacement screen might not be fully compatible with the touch digitizer system in the watch. Not all third-party screens guarantee complete compatibility with Apple Watches. Unfortunately, this means you might need to source another replacement screen, ensuring this one is verified for full functionality.

I remember when I replaced the screen on my Apple Watch Series 3, the touch didn’t work initially either. I researched a lot and found out that ensuring the flex cables are properly connected is crucial. These flex cables connect the screen to the logic board, and if they aren’t secured well, the touch won’t respond. Carefully check if these cables are in place. A magnifying glass might help to see the tiny connections properly.

You might have overlooked reattaching a critical connector when replacing the screen. Apple Watches have tiny connectors that are crucial for touch functionality, and missing any connection can lead to unresponsiveness. Try opening the watch again, double-checking all the connections. Be particularly careful with the touch digitizer connection, as that’s often the culprit.

A common oversight during screen replacement is static electricity damage. Apple Watch components are incredibly sensitive to static. Even a tiny static shock can damage the digitizer, rendering the touch screen non-functional. When I replaced my watch screen, I made sure to work in an anti-static environment and used an anti-static wrist strap. If you didn’t take these precautions, it’s possible static damage has occurred.

From your description, it sounds like a possible software issue following the hardware replacement. Sometimes, the software doesn’t recognize the new hardware immediately. Try the following steps:
1. Force restart your Apple Watch by holding down both the side button and Digital Crown for at least 10 seconds.
2. Once the Apple logo appears, release both buttons.
3. If the screen is still unresponsive, consider unpairing the watch from your iPhone and pairing it again. This can reset the software links and might restore touch functionality.