Principle of interesting adapter, but you can not fix that screw 2 of 4 on the PC housing only side face before. Improper length. Little trick to fix the disc on this adapter uncomplicated: Cut a length of cardboard (about 3mm thick) a little longer than the adapter and position it flat on the lengthwise end of the adapter to be raised slightly Disk to easily screw the 4 screws, because once mounted, the disc does not touch the base of the case. After fixing the disk, be sure to remove the length of cardboard ...