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What's DOS?
Posts: 1
Registered: ‎12-04-2016
Location: GB
Views: 199
Message 1 of 2

Flex 2 - lag only when plugged in.

Hello i have a lenovo flex 2 and just started playing world of warcraft and the game runs fine when the laptop is not charging but when i put it on charge the games fps drops to about 10 then back up to 40 then back down, any help on this matter would be helpful. Thanks.


Mod's Edit: System model added to the front of Subject line to improve visibility / clarity.


Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 147
Message 2 of 2

Re: lag only when plugged in.

Hi there, Sammelli      -


Thank you for writing in to the Lenovo Forum - happy to have you here today.


Your CPU / GPU might be overheating and it's throttling down which may explain the FPS drop during games.

Also, run a few tests from this link -


You should try Storage test, memory test, motherboard test, CPU test. Open Command prompt and try sfc /scannow to check if your windows files are corrupted.


Try to disable Microsoft AC Adapter (control panel-> device Manager-> Batteries->Microsoft AC Adapter) 


Update us how it goes.







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