On 9/30/20 8:52 AM, H wrote: > 00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset Family USB 3.0 xHCI Controller My system has these: 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) lspci -s 00:14.0 -v 00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) (prog-if 30 [XHCI]) Subsystem: ASUSTeK Computer Inc. Device 201f Flags: bus master, medium devsel, latency 0, IRQ 25 Memory at dd600000 (64-bit, non-prefetchable) [size=64K] Capabilities: [70] Power Management version 2 Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+ Kernel driver in use: xhci_hcd Kernel modules: xhci_pci lspci -s 00:1a.0 -v 00:1a.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 (rev 05) (prog-if 20 [EHCI]) Subsystem: ASUSTeK Computer Inc. Device 201f Flags: bus master, medium devsel, latency 0, IRQ 16 Memory at dd618000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCI Advanced Features Kernel driver in use: ehci-pci Kernel modules: ehci_pci lspci -s 00:1d.0 -v 00:1d.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 (rev 05) (prog-if 20 [EHCI]) Subsystem: ASUSTeK Computer Inc. Device 201f Flags: bus master, medium devsel, latency 0, IRQ 23 Memory at dd617000 (32-bit, non-prefetchable) [size=1K] Capabilities: [50] Power Management version 2 Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCI Advanced Features Kernel driver in use: ehci-pci Kernel modules: ehci_pci These are my kernel modules: lsmod | grep usb btusb 53248 0 btrtl 16384 1 btusb btbcm 16384 1 btusb btintel 20480 1 btusb bluetooth 589824 41 btrtl,btintel,bnep,btbcm,rfcomm,btusb snd_usb_audio 278528 1 snd_usbmidi_lib 36864 1 snd_usb_audio snd_hwdep 16384 2 snd_hda_codec,snd_usb_audio snd_rawmidi 40960 1 snd_usbmidi_lib snd_pcm 143360 5 snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_hda_core,snd_hda_codec_hdmi snd 98304 23 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_usb_audio,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_usbmidi_lib,snd_seq_device,snd_hda_codec_realtek,snd_pcm usbhid 57344 0 usbcore 290816 9 uvcvideo,usbhid,snd_usb_audio,ehci_hcd,xhci_pci,snd_usbmidi_lib,btusb,xhci_hcd,ehci_pci This line is important: usbcore 290816 9 uvcvideo,usbhid,snd_usb_audio,ehci_hcd,xhci_pci,snd_usbmidi_lib,btusb,xhci_hcd,ehci_pci Notice the last two entries: xhci_hcd and ehci_pci Those correspond to: for my two usb 2 controllers: Kernel driver in use: xhci_hcd Kernel modules: xhci_pci for my single usb 3 controller: Kernel driver in use: xhci_hcd Kernel modules: xhci_pci from your lspci: 00:14.0 USB controller: Intel Corporation 200 Series/Z370 Chipset Family USB 3.0 xHCI Controller This is the sole USB controller in your system and it's a USB 3 controller so... in your case let's do: sudo lspci -s 00:14.0 -v then try: sudo modprobe usbcore and repeat: sudo lspci -s 00:14.0 -v see if the Kernel driver/module lines change. If they do, plug the camera in and check for it to be recognized in lsusb