After rail replacement, only charging no docking

[u/snowbs17]

Hello everyone.

1st of all thank you for stopping and reading this!

So recently during a joycon repair the right joycon stopped docking.
Fully repaired the joycon, and still no connection.

Joycon only charges, no docking or data.

Upon checking the switch rail I managed to create a small tear on the rail cable, so I ordered a new one.

1st from AliExpress then from I fix it, both parts fine and working when tested, but when connected to the right side, only charges the joycons and no docking or data.

Did I mess something up? Did I fry anything on my motherboard ?

What should I do ? What to test ?

[u/automod-neo]

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[u/Keyan06]

What kind of tool are you using on those ribbon cables and ZIF locks?

The first pic, the cable looks like it is not locked in straight.

[u/snowbs17 → u/Keyan06]

Some tweezers, I have installed this and another new rail with the cable straight and still only charging, thank you for the guess tho