My Lenovo Y50 is shutting down every 30 minutes, no matter what i do, i can keep it doing nothing, and it shuts down, and i discovered that sleep mode "resets" the timer, and that's the only way to use it for longer time, can somebody help? Oh and it is not a battery setting issue too as far as i checked.
First try removing the battery and observe if it would shut down by itself. Also as you mentioned you changed some setting for sleep mode try disabling sleep mode as well first just for the purpose of testing. Lastly adjust the Power Option of your laptop. Here's are the steps on how to change it.
Yeah, it happens on both battery and plugged in, and about the battery... i'd try to remove it but i'm not really careful at that, and as far as i know, i haven't seen any forum witht the same problem as me with an actual solution.