For all those with the "scroll wheel glitch" (when scrolling with the wheel, the direction of the scrolling changes), there is a great tutorial that only requires a hairdryer, a small cross-turner and oil (MoS2, for example). You can find it at iFixit or via Google.

Good day
You can access your orders that you have already placed via your customer account. You can enter a warranty claim directly for the corresponding item. I think the rest is self-explanatory. If you are still entitled to a guarantee.
Sincerely