Brad Wardell's site for talking about the customization of Windows.

Does your laptop or tablet run out of battery while it’s supposed to be asleep?

You can find out why thanks to a fairly obscure but relatively new feature in Windows.

Step 1: Open a command prompt in adminstrative mode

Step 2: Go to a temp directory (like cd\temp)

Step 3: Type powercfig /SleepStudy

This will create a file in the current directory.  Open that file in your web browser and you will find out why.

Common causes:

  1. Notifications. Even while sleeping, the Windows notification system (WNS) does stuff.  Turn off as many unnecessary notifications as possible.
  2. Your type cover can wake the machine inadvertently.
  3. Your network card. Make sure you have the latest firmware and network drivers.

Good luck!


Comments
on Sep 08, 2015

Good tips, Brad!

Does the title of the post infer a daily tip? That would be so cool!

on Sep 08, 2015

Not daily but frequently I hope.

on Sep 09, 2015

Also if you disable your camera in the hardware, NSACIAFBI can't use it to spy on your every move, you fucking terrorist.

on Sep 09, 2015

Heavenfall

Also if you disable your camera in the hardware, NSACIAFBI can't use it to spy on your every move, you fucking terrorist.
unless THEY turn it on again, which they CAN, and therefor WILL

harpo, the GhOSt NON-subscriber

on Sep 09, 2015

Better your battery drain while sleeping than your bladder.

on Sep 10, 2015

Apparently this only works if your computer supports connected standby. http://www.howtogeek.com/217255/use-the-hidden-powercfg-tool-to-optimize-battery-life-on-windows/

on Apr 15, 2016

Skynet has adopted the 'pod people' strategy.  R u sure u r u?     [I am skynet and I don't approve of this message.]

on Jun 04, 2016

Will do this today! Was always wondering why the battery kept draining unnecessarily!

Thanks!

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