As the first trial last week, this complaint alleges that small amounts of dust or debris accumulated the 2015 and later MacBook Pro can make the butterfly switch mechanism under individual keys n-functial , according to court documents obtained by MacRumors.
In some cases, the butterfly switches may also break completely, causing the affected key to detach from the keyboard.
MacRumors first highlighted customer complaints regarding the MacBook Pro 2016 keyboard more than a year ago, including n-functial keys, strange and high-pitched sounds certain keys and keys with a n-uniform sensati.
Excerpt from the complaint filed Tuesday by the law firm Schubert Jckheer & Kolbe in the District Court of Northern California:
Keyboards Butterfly, which Apple began using in 2015 the MacBook and in 2016 the MacBook Pros, lower profile than the keyboard scissors. They still hold the keys with two pieces of plastic that intersect, but their profile is so low that the key "travels" hardly when it is depressed. True to their name, butterfly switches are also extremely delicate, held in place by four tiny brittle plastic wires.
Due to their very low profile, butterfly keypads resist debris build-up under the keys. However, when the dust or other tiny …