1. jarrett178's Avatar
    I have two laptops. Before the Windows 10 update I had a Lenovo ThinkPad E545 that was running Windows 8.1 and Compaq Presario CQ57 that was running Windows 7 Home Premium.

    Before the update I got about 3 to 3.5 hours of battery life on my Lenovo ThinkPad and about 2.5 to 3 hours on my Compaq before I charging. Now my battery life lasts about 45 mins to an 1 hour and 20 mins before I need to charge again. I thought Microsoft fixed the battery bug. I thought I needed a new battery until I googled the issue.

    SMH, I hate that I ever updated. I knew I should've waited. This is getting very annoying. Since the update, my computers are basically unusable unless plugged into the charger.
    08-01-2015 09:15 AM
  2. MadSci2's Avatar
    Ewing a significant battery drain and high heat output on my Surface Pro 3. MS has acknowledged the issue and is going to patch it for Surface Pro 3 shortly. Not sure if its going to be the same for other users.

    Also, worth checking if the problem is still present. Mine has greatly decreased although still an issue. I suspect there was a lot of downloading going on in the background for a few hours after the update to Win 10.
    08-01-2015 12:39 PM

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