Gradient light strip not syncing correctly

Bought 3 x gradient light strip today.

  1. 2 meter + extension is syncing in all zones

  2. 2 meter + extension is only syncing in 2 zones, the extension isn’t syncing

  3. 2 meter where i cut of the end at the first arrow. But it is only syncing in 2 zones

How do I fix this?

Note: it’s in the other end of the power supply

Unplug the power supply for a few seconds and then plug it in again. Make sure the extension is already connected before plugging the strip into power.

Not helping at all.
It is still syncing in 2 of the 3 zones
The first light strip with extension is all good

But the other one with extension and the shortened one is still not working proper