Some M1 iMacs appear to have a manufacturing defect that causes the display to not be perfectly mounted on the stand, resulting in a crooked screen.
The YouTuber iPhonedo published a review of the M1 iMac over the weekend. He found that his unit was mounted crooked on one side, which could be checked with a ruler. Another person in the Apple Support Communities complained also complained about a non-flat display with a deviation of 1mm between the right and left side of the display. There was a third complaint on Reddit, with the person in this situation discovering the problem after watching iPhonedo's video.
M1 iMac: Check product upon receipt
After watching the video, I checked mine and it is also crooked. Not to the extent that his is, but not completely flat either. I am outside my return window and cannot handle not having a device to work with for a month. It is very disappointing that Apple of all companies would ship devices with such a blatant defect.
There have been increasing reports of this. However, it is not clear how many users are actually affected. Apple customers who buy a new M1 iMac should check the product immediately upon receipt and return it if necessary. Anyone who discovers the defect after the return period has expired must contact Apple Support. (Image: Apple)