Windows 10: Surface pro 4 battery shows 255% after 1909 update

Discus and support Surface pro 4 battery shows 255% after 1909 update in Windows 10 BSOD Crashes and Debugging to solve the problem; My surface pro 4 shows 255% battery after update and runs really slow. Ive tried reinstalling drivers and resetting windows. How do I fix this.... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by phlatlyn, Dec 28, 2019.

  1. PHLATLYN
    phlatlyn Win User

    Surface pro 4 battery shows 255% after 1909 update


    My surface pro 4 shows 255% battery after update and runs really slow. Ive tried reinstalling drivers and resetting windows. How do I fix this.

    :)
     
    phlatlyn, Dec 28, 2019
    #1
  2. BRINK
    Brink Win User

    New Driver and Firmware Updates for Surface Pro 4 - September 10, 2018 Surface

    Source: https://support.microsoft.com/en-us/...update-history

    See also: Updates for Surface Pro 3 and Surface Pro 4 (10 September 2018) Surface
     
    Brink, Dec 28, 2019
    #2
  3. DALCHINA
    dalchina Win User
    Battery icon shows 255% even when battery not installed

    As 255% is FF (hex) - all 1's - suggests a certain kind of bug...

    If you have a live boot disk, that should prove it's not hardware related.

    You could also try a 3rd party battery monitoring program, but if that reads the same buggy info from the OS, might give garbage too.

    Similar here, resolved:
    Battery shows 255% - how is that possible when 100 is the max?? | AVForums
     
    dalchina, Dec 28, 2019
    #3
  4. BRINK
    Brink Win User

    Surface pro 4 battery shows 255% after 1909 update

    Updates for Surface Book and Surface Pro 4 March 7th 2017


    Source: https://blogs.technet.microsoft.com/...-7-march-2017/
     
    Brink, Dec 28, 2019
    #4
Thema:

Surface pro 4 battery shows 255% after 1909 update

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