On 09/29/2020 10:01 PM, Bruce Ferrell wrote: > On 9/29/20 6:50 PM, H wrote: >> On 09/29/2020 09:09 PM, John Pierce wrote: >>> do other USB 3 (XHCI) devices work on this system ? >>> >>> On Tue, Sep 29, 2020 at 5:27 PM H <agents at meddatainc.com> wrote: >>> >>>> On 09/29/2020 02:11 PM, Bruce Ferrell wrote: >>>>> Try >>>>> >>>>> lsusb -v >>>>> >>>>> and >>>>> >>>>> sudo dmesg >>>>> >>>>> ... Be aware, systemd deals with udev and it may be malfunctioning >>>>> >>>>> >>>>> On 9/29/2020 10:30 AM, H wrote: >>>>>> Just installed the above USB webcam but it is not recognized by dmesg | >>>> grep usb, nor does Zoom recognize it. I was under the understanding it >>>> should not require a driver, or? >>>>>> I am running CentOS 7. >>>>>> >>>>>> Thanks. >>>>>> >>>>>> _______________________________________________ >>>>>> CentOS mailing list >>>>>> CentOS at centos.org >>>>>> https://lists.centos.org/mailman/listinfo/centos >>>>> _______________________________________________ >>>>> CentOS mailing list >>>>> CentOS at centos.org >>>>> https://lists.centos.org/mailman/listinfo/centos >>>> I'll bite, systemd and its interaction with udev is beyond my paygrade. >>>> How do I investigate this? >>>> >>>> _______________________________________________ >>>> CentOS mailing list >>>> CentOS at centos.org >>>> https://lists.centos.org/mailman/listinfo/centos >>>> >> Not sure I have any. I tried two different USB 3.0 connectors with the same result. >> >> Is there any way I can test this? > > I just checked my C922 it's plugged into a USB2 port and works fine > > Try ANY usb device in your ports and see if it shows up in lsusb > > You may have a bad port > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos I have tried three different ports, two USB-3 and one USB-2 port...