I didnt know what this fell under because I dont know whats wrong. but i have an hp zbook 15u g2, two years ago it developed this problem where as soon as its connected to power the fan starts spinning at full speed and the lights go on (lights not laptop) until you turn the system on. This also made the laptop not be able to sleep anymore because it goes directly to those things, aditionally, the AMD chip started stuttering after a few minutes of gameplay for example (and I assure you its not because of overheating). already tried updating pc and amd drivers so help?