Games lag without battery charger plugged in. Please help.Thanks

Trikste

Estimable
Mar 24, 2015
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I have Lenovo Ideapad Z500 laptop I5-3230 2.60 GHZ NVIDIA GEFORCE GT 740M 2 GB
6 GB RAM.
When I play game with battery charger plugged in I'm not any problems with lag.But when I plugged off battery charger my game is lagging. Please help anyone.Thanks!
 
Solution
Your power profile isn't set to maximum performance when on battery. Laptops keep two power profiles, one on battery and one on AC power. You may not get very long runtime with performance set to max.