Very early in the game, when you control Elrond, just after the opening fights, you have to push a big object on some chequered tiles.

It absolutely does not work on my version.

However, some have reported that lower framerate (hz) or vsync off could fix it.

Don't really have time to test this right now, will test later.

Yesterday it worked for me with 144 Hz.
Didn't try with lower settings tho.

If possible in your gpu settings limit the max frame rate to 60 for this game. Turn on vsync in the game options.

Yeah, the game can be a little finicky at times. I also had some troubles finding the right spot and pushing the big Lego rock into the lava in the Prologue. In the end, I pushed the rock all the way back into the direction of the mountain and then moved the character to its back and pushed it into the direction of the lava again, which did the trick. I guess, I just managed to hit the right spot then.