I'm new to ubuntu. I'm on ubunto 18.04. My USB mouse stop working since the last computer shut down. I've restarted the system again and does not work. I've tried another USB port and does not work.
When I run dmseg the output is very big, but the lines that do not appear OK are:
...
[ 14.134987] asus_wmi: BIOS WMI version: 9.0
[ 14.135010] asus_wmi: SFUN value: 0x21
[ 14.135791] input: Asus WMI hotkeys as /devices/platform/asus-nb-wmi/input/input16
[ 14.135874] asus_wmi: Number of fans: 0
[ 14.348737] PKCS#7 signature not signed with a trusted key
[ 14.348749] nvidia: loading out-of-tree module taints kernel.
[ 14.348754] nvidia: module license 'NVIDIA' taints kernel.
[ 14.348755] Disabling lock debugging due to kernel taint
[ 14.351466] nvidia: module verification failed: signature and/or required key missing - tainting kernel
[ 14.357707] nvidia-nvlink: Nvlink Core is being initialized, major device number 238
[ 14.357977] nvidia 0000:01:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=none:owns=io+mem
[ 14.358039] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 390.143 Fri Mar 12 07:24:47 UTC 2021 (using threaded interrupts)
[ 14.401569] PKCS#7 signature not signed with a trusted key
[ 14.401604] PKCS#7 signature not signed with a trusted key
[ 14.402440] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 390.143 Fri Mar 12 07:20:40 UTC 2021
[ 14.403316] PKCS#7 signature not signed with a trusted key
[ 14.403941] PKCS#7 signature not signed with a trusted key
[ 14.404200] [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver
[ 14.404202] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:01:00.0 on minor 0
[ 14.409076] PKCS#7 signature not signed with a trusted key
[ 14.411509] nvidia-uvm: Loaded the UVM driver in 8 mode, major device number 237
[ 14.474496] ACPI Warning: \_SB.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20170831/nsarguments-100)
[ 14.480097] input: HDA NVidia HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input17
[ 14.480141] input: HDA NVidia HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input18
[ 14.480173] input: HDA NVidia HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input19
[ 15.408014] Bluetooth: hci0: Waiting for firmware download to complete
...
[ 97.716842] pci_bus 0000:05: Allocating resources
[ 137.699903] dpc 0000:00:1b.0:pcie010: DPC containment event, status:0x1f00 source:0x0000
[ 137.699927] pciehp 0000:00:1b.0:pcie004: Slot(20): Link Down
[ 137.699960] xhci_hcd 0000:3c:00.0: remove, state 4
[ 137.699964] usb usb4: USB disconnect, device number 1
[ 137.700182] xhci_hcd 0000:3c:00.0: USB bus 4 deregistered
[ 137.700192] xhci_hcd 0000:3c:00.0: xHCI host controller not responding, assume dead
[ 137.700195] xhci_hcd 0000:3c:00.0: remove, state 4
[ 137.700197] usb usb3: USB disconnect, device number 1
[ 137.700322] xhci_hcd 0000:3c:00.0: Host halt failed, -19
[ 137.700324] xhci_hcd 0000:3c:00.0: Host not accessible, reset failed.