Curious about mice in device mgr

  1. Posts : 13
    Microsoft Windows 10 Pro 64-bit 19043 Multiprocessor

    Curious about mice in device mgr

    I was just wondering why on my Dell laptop in device mgr there is a HID-compliant mouse AND a PS2 compatible mouse when there is NO mouse plugged in or connected wirelessly. It also shows the elan touch device but that I understand that.
    Even if I uninstall the devices they return on reboot so I know they're built into the system but why?
    Just curious
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  2. Berton's Avatar
    Posts : 11,942
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909

    That has been the same for some time, I have the same plus a third on my new Notebook with the Win11 Upgrade. It's something to consider, the PS/2 port has not been used in awhile and the HID/Human Interface Device is usually for the USB mice, wired or wireless, which allows for attaching one of them without having to reboot, makes life a bit easier. As much as possible I use Bluetooth mice, don't need anything plugged in as it is part of the Wireless adapter.
    Curious about mice in device mgr-image.png
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  3. Try3's Avatar
    Posts : 9,680
    Windows 10 Home x64 Version 21H2 Build 19044.1348

    What an excellent question. It has never occurred to me to ask.

    I hope you get answers.

    All the best,

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  4. MaloK's Avatar
    Posts : 913
    Windows 7


    The PS/2 mouse you see is in fact your touch pad, Dell uses PS/2 interface for these
    With the dell synaptic driver installed it appears correctly and uses irq12

    Curious about mice in device mgr-screenshot00077.jpg

    Also I always have 2 Hid compliant and 1 USB Input for each Mice or Pointing devices
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