![]() $ udevadm info /sys/class/power_supply/hidpp_battery_1 ie udev (or something else) has enumerated devices in the system paths: $ udevadm info /sys/class/power_supply/hidpp_battery_0 ![]() The bug report does provide clues on additional information to look for. This "sounds" similar to the unifying receiver here. This bug report details how udev rules aren't running on boot but only when replugging cables. udev rules not running during boot only on replugging Clicking on it reveals only the UPS and Laptop battery statistics. ![]() It's not feasible to get a version >= 0.99.5 Login screen battery statusĪt the boot-up login screen the system tray displays the battery icon. Although the current upower version is 0.99.7 it is unstable and the current version in Ubuntu is 0.99.4 released February 2016. This bug report suggests running kernel >= 4.12 and upower >= 0.99.5. I found this bug report which suggests unplugging and replugging the Unifying Receiver. On the second reboot everything was normal and the Power Statistics appeared as they should: On the first reboot the external display didn't appear and the login prompt was delayed. Using solutions here I edited /etc/rc.local and inserted the following lines: # Reload Logitech Unifying Receiver to get Mouse in Power Stats I'm placing the permanent fix discovered a week later at the top of this answer because that is what people are likely most interested in.ĭigging through old bug reports I found this related problem: Logitech M515 does not work after upgrade to 12.04. I'm wondering if the rule is running too soon before USB is fully initialised in udev? I've checked the udev rules in /lib/udev/rules.d/les as instructed in bug fix and they look okay. On my older laptop which was upgraded from Ubuntu 14.04 to 16.04 the battery status for the same wireless Mouse and Keyboard showed up fine when clicking on the systray's battery/power icon. I could only get this far after installing solaar because before that even "unknown" wasn't being displayed for the mouse. Updated: Sun 01:59:27 PM MST (86 seconds ago) This can be traced to the upower -dump configuration: Device: /org/freedesktop/UPower/devices/unknown_0003o046Do101Ax000B In a Ubuntu 16.04 fresh install the Battery status for the mouse is showing up as unknown: In Linux/Ubuntu there are no optional drivers you can download yet. In Windows you can install optional drivers for scroll wheel enhancements and a nicer volume meter display as a consequence. My Logitech Unifying Receiver with wireless K800 illuminated keyboard and wireless Performance MX mouse work flawlessly in both Windows and Linux out of the box.
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