If it try to push it gently towards the screen, nothing happens.

The bezel or screen usually has molded clips and catches every few cms around the perimeter of the screen frame. The clip might be visible by peering down the bulge opening with a flashlight. Place your thumb directly atop the clip areas and fingers behind the screen. Then simply pinch or squeeze the clip & catches together. Don't be afraid to pinch it kind of hard so the clip is caught by the catch as long as you're pinching bezel & frame and not the LCD display itself.

Have you peered down other parts of the bulged crevice area yet with a flashlight to look for clips? They're NOT going to be where the sensor is located. Only pinch directly over the clips if you can see them.

OK. Good luck. 🙂 Jack E/NJ

OK. We'll then have to work blindly.

Start pinching with both hands close together to one side of sensor bulge. Pinch your way toward the biggest part of the bulge —— but not directly sensor itself —- to narrow the gap & try to engage the clips.

If, after using a fair amount of pinching pressure, the bezel simply springs back without engaging the clips to keep it in place, you shouldn't go any further.

If the vendor's return merchandise authorization (RMA) period hasn't expired yet (usually only a few weeks), you should ask for an exchange or refund ASAP. Otherwise, you'd have to decide if the apparent defect is serious (or bothersome) enough to go through the hassle of warranty service. If it was mine, I'd probably ignore it as a small cosmetic defect not worth the hassle as long as I was satisfied with its functionality.

Are you sure if I start pinching that the bezel wont damage the screen?

It shouldn't. But if you need 100% certainty that it won't, then don't even try it.