There have been a very few reports of some users having possible increased battery drain or sleep issues with the Maximum and Power Saving settings enabled, respectively. These may or may not be mis-identified issues, but you may want to test out the different settings from the default if they apply to you.
While on the Power Saving option
Here's How: 1.
The two settings are as follows:
Maximum Power Savings: (default on laptops, etc) ideal when power consumption and battery life is important, such as a laptop, netbook, etc.
Open the Control Panel (icons view)
, and click/tap on the Power Options
Click/tap on Change Plan Settings
Click/tap on Change Advanced Power Settings
, and scroll down where it says Internet Explorer
Pick either the Maximum Performance
, or Maximum Power Savings
setting that applies if you wish to change it from the default setting
, and click/tap on OK