Strange USB mouse behavior - wake PC from sleep

  1. Posts : 720
    Win10 x64 Pro - 2 desktops, 2 laptops

    Strange USB mouse behavior - wake PC from sleep

    I Have a USB mouse plugged into a USB 2 port on my PC's back panel. For years I've I've awakened the PC from sleep using a mouse click. Several days ago I replaced a USB 2 hub (plugged into another USB 2 port on the back panel) with a USB 3 hub plugged into a USB 3 port on the back panel. Suddenly the mouse could no longer waken the PC even though the mouse did not use the hub. The mouse, including the buttons, still worked. It just wouldn't wake the PC. Device manager showed that "Allow this device to wake the computer" was still selected. After switching back to the USB 2 hub the mouse would again wake the PC.

    I'm not sure how much (if any) of the following information is pertinent.
    • The mouse is a Logitech M-U0007 using the vanilla Microsoft HID-complaint mouse driver (10.0.18362.1). I am not using the Logitech SetPoint driver.
    • The PC has an old ASUS Z-87A MB.
    • None of the devices plugged into the USB hub actually need USB 3 support: a keybord (with an integrated USB hub), a USB connection to a UPS box, sometimes an i-lock dongle.
    • I'm running Win 10 1909 - build 18363.592.

    Any idea what might be causing this behavior?

    BTW, I'd plug the the USB 3 hub back in (without removing the USB 2 hub) and test this again but I'm in the middle of an hours-long backup and don't want to put the PC to sleep right now.
      My Computer

  2. Posts : 720
    Win10 x64 Pro - 2 desktops, 2 laptops
    Thread Starter

    The problem has disappeared. Sometime during my switching around various USB hubs and rebooting to eliminate old garbage, the mouse regained it's ability to wake the PC. Now it doesn't matter whether the mouse is connected directly to the back panel, directly to the front panel, connected through a USB 2 hub, or connected through a USB 3 hub.

    I'll accept success, but I wish I knew what happened.
      My Computer


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