Games lagging while playing games in charging battery

[Yash_2]

This threads occurred before 2 days. Before 2 days I was able to play my games like watch dogs even whlie charging. It was very smooth but from
Last few days I am not able to play games while charging laptop . I have tried every accept to solve it but not able to solve it. My laptop specs i3 5th gen 8gb ram win 8.1 pro .please help me my laptop model no. is HP 15 Ac 083tx

 

[C12Friedman]

Check your temperatures with a program like CoreTemp or SpeedFan or HWMonitor I'd suspect the heat created while charging is putting you over your thermal threshold causing the lag