Takeoff : 19-Jun-17 1237 Z Aircraft : 5308 ARWO : rar Flight hours : 7.00 Mission ID : 0203A INVEST Comments : 1237-1349, 1438-2001 (1.2 and 5.4) invest turned into fix, upgraded to TS Cindy entered NE(120nm) to center. exited SW(25nm). headed SE (90nm) to NW to 91.5W then northern cross leg and finished. Late for invest requirement. Tasked coords: 25.4 N 90.7 W then changed to 26.0N 90.6 W because of being late. Equipment : Computer froze at takeoff, restarted then computer 3-6 failed on health page. Restarted multiple times.Returned and metshop reloaded software, but computer still failed. Replaced entire CPU. DDP locked 10 to 15 deg too high and max cool locked 50 deg C too cold.