On the A4000D the three (3) outside screws on the back (2 for the case and one for the PSU) are metric M3 screws.
Can anyone point me at a picture of these, or perhaps take some and pm me? (A4000 original screws that is.)
I can't for the life of me remember what the originals look like, but I should have them here _somewhere_ among all the pc and other case screws.