crwdns2934241:0crwdne2934241:0 lewis Barker

crwdns2934249:0crwdne2934249:0:

This sounds less like a cooling issue and more like the device is thinking the lid is closed thus going to sleep after a few seconds... whereas when a external display is connected it goes into clamshell mode and there for stays switched on.. I may be wrong but this could be you issue

crwdns2915684:0crwdne2915684:0:

open