The pad of my pc is not detected anymore

[Mahtar Nóla]

After an update the pad of my computer is not working anymore, even xinput or lsusb does not show my pad. everything worked fine before that

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xinput 1.6.3-1
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 5 09:19:08 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: ASUSTeK Computer Inc. Skylake GT2 [HD Graphics 520] [1043:1050]
InstallationDate: Installed on 2020-04-26 (161 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 010: ID 13d3:3423 IMC Networks
 Bus 001 Device 003: ID 04f2:b52b Chicony Electronics Co., Ltd USB2.0 VGA UVC WebCam
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: ASUSTeK COMPUTER INC. X302UA
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=b72b0ba2-1bc0-4915-93c1-a5a954b4ca0f ro quiet splash vt.handoff=7
SourcePackage: xinput
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/22/2016
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X302UA.206
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X302UA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX302UA.206:bd02/22/2016:svnASUSTeKCOMPUTERINC.:pnX302UA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX302UA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.family: X
dmi.product.name: X302UA
dmi.product.sku: ASUS-NotebookSKU
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1