03-09-2017 08:42 AM
Welcome to Lenovo Community! And happy to have you here.
As I understand that you are facing issue that not able to play videos on Battery Mode
Right click on desktop -> Graphics Properties -> Power -> click the power dropdown in the upper lefthand corner and select On Battery. Disable both Panel Self-Refresh and Display Power Saving Technology.
Click apply and you are done!
I hope the above information helped you.
Please feel free to post in Lenovo Community Forums if you have any further queries!
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03-09-2017 12:22 PM
Thanks for your post. It will play videos great on AC power. On battery, it won’t play with any of the settings changed. If we use Chrome, the video will play on battery, but the sound is off and cannot be turned on.
03-09-2017 08:39 PM
Try updating the drivers from System Update and let us know how it goes.