1.    13 Jul 2017 #1
    Join Date : Aug 2015
    New York, USA
    Posts : 4
    Windows 10

    [Desktop PC] UPS Connected, "Your battery is very low" every boot


    TL/DR: This happens during boot when connected to a UPS, I'd like to stop it. =\

    ---
    Recently decided to connect a UPS (CP1500PFCLCD) to my PC that way it can auto hibernate if there is a power loss. I ran into a annoying bug though.

    Whenever I restart Windows takes 5-10 seconds to read the battery level (initially reporting 0%). And during this time it pops-up a fullscreen message and a broken explorer window that can only be closed by Alt+Tabing and clicking the X (see attached).

    Additionally also drops my PC into battery settings during the last phase of startup making every boot take about 10 seconds longer (it will stay on the battery powercfg settings until it is able to read the battery level).

    Steps tried: Googled the *insert expletive here* out of it. Disabled all notifications, Disabled Action Center and Un-hid all powercfg settings looking for a way to disable the Critical Battery Notification (the only one that exists is the Low Battery notification).
    ---

    P.S. I really don't care about ever seeing the critical battery notification, either I'll be at the PC during power loss and will shut down immediately or I won't and it will auto-hibernate. - As for switching to battery settings during boot, I guess I can change those to match the AC settings.
    Attached Thumbnails Attached Thumbnails Windows_10_UPS_Boot_Crap.jpg  
      My ComputerSystem Spec
  2.    13 Jul 2017 #2
    Join Date : Jan 2014
    Inverness
    Posts : 1,190
    Win 10

    Are you using the Cyberpower PowerPanel application for the UPS or the built in Windows app? I have a Cyberpower and use the PowerPanel application and no problems. I have had two Cyberpower UPS over the years and never had an issue with low battery alert unless there was an actual problem.
      My ComputersSystem Spec
  3.    13 Jul 2017 #3
    Join Date : Aug 2014
    Forever West
    Posts : 3,926
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    I've gotten such warnings on both APC and Tripp-Lite UPS', replacement of the battery were the solution. I have had a couple of each fail after a few years that required replacing the whole unit.
      My ComputerSystem Spec
  4.    13 Jul 2017 #4
    Join Date : Aug 2015
    New York, USA
    Posts : 4
    Windows 10
    Thread Starter

    The battery is a USB HID device, it doesn't need any drivers or a app. You can download the Cyberpower app, but it doesn't offer any extended functionality (well extended over what you can do with the buttons and the power control panel).

    I pulled out the batteries and checked their voltage and water level last night, both were fine. I'll run a full load battery test later tonight (have to round up some stuff that can draw 900W total).

    Anyway, thank-you guys for the reply's but to clarify this only happens until Windows goes "Hey whats the battery level" during startup. Once it see's the battery level is 100% the icon goes to normal. -- I can even hot-plug/ the UPS (USB connection) after Windows is started and it comes up as 100% right away (making me think this is a Windows bug, hence looking for a workaround).
      My ComputerSystem Spec
  5.    13 Jul 2017 #5
    Join Date : Aug 2014
    Forever West
    Posts : 3,926
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    One thing you might check is the USB ports. I'd use only the USB 2.0 unless the UPS specifies USB 3.0 and I'd check the BIOS that Legacy USB is Enabled and also check the power options in Control Panel to assure Windows isn't turning the USB ports off in the interest of saving power.
      My ComputerSystem Spec
  6.    13 Jul 2017 #6
    Join Date : Jan 2014
    Inverness
    Posts : 1,190
    Win 10

    I would use the Cyberpower Power Panel app. Its unobtrusive and does not affect PC performance. I also use my PC for my recording studio and the Cyberpower does not interfere or cause any issues with the Replendence Latency Mon application.

    You should at least try it and see if you still get the battery notice with that program.
      My ComputersSystem Spec
  7.    16 Jul 2017 #7
    Join Date : Aug 2015
    New York, USA
    Posts : 4
    Windows 10
    Thread Starter

    I have a solution. - It involves creating a custom task to disable the UPS Device during shutdown, reboot and hibernate. And re-enabling it 10 seconds after the system comes back online. It's a really stupid hack, but it should work. I'll post back in a few days once I make the tasks and test them.

    I might contact Cyberpower and hope they can with Microsoft (they're a huge UPS supplier). My reasoning on this is a single user filing a bug report using the feedback app will be ignored.

    Info/Stuff I tried:
    • Battery test passed and also ran fine under 50% load for almost the rated time.
    • Installing the Cyberlink app fixes the issue, but that is like installing a 3rd party WiFi network utility. I'd rather stick with windows power management.
    • All ports on Z87+ are routed through the xHCI controller, if there is a EHCI controller it is not exposed on any of the boards I've worked with. You do have the option to force the xHCI controller to run in EHCI mode but it's still a xHCI controller in the end.
    • Digressing a bit, I tried switching the controller port routing mode from Enabled (Pure xHCI) to Auto (All ports start as EHCI) and to Smart Auto (Board will remember what ports need xHCI/EHCI). -- This didn't help, and it's not worth disabling USB 3.0 completely, so I didn't test that.
    • As for Legacy USB Support and EHCI hand-off, those are for UEFI apps or Old OS's. The MB passes control of the USB controller('s) to the OS and the OS re-initializes everything. But for completeness I did flip both of them on/off.
    • Lastly I passed through the UPS to a Windows 10 VM, the same thing happens in the VM (and the VM only emulates USB 2.0).
      My ComputerSystem Spec

 


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