We know some of the details as follows.  This is all we know. Some are untested -   13" 2017 Air has no power. Other air has no power too.   13" Early 2011Powers on 2GB RAM No HDD - No Battery - Bad GPU - Screen shattered - Missing esc button,  A1286 15" Gets Power, but stuck in boot loop - 4GB RAM  - No HDD,  15" Mid 2010 Intel i5 @ 2.4GHZ 4GB RAM 320GB HDD Intel HD Graphics 288MB macOS High Sierra 10.13.6 No battery Trackpad slightly lifted