Touchpad not working

[mint newbee138]

I recently installed linux mint cinnamon and so far it hasn't been a pleasant experience .My touchpad is not working at all even after installing libinput drivers.KINDLY HELP ME OUT.
Below are my system specifications;

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System:    Kernel: 5.13.0-27-generic x86_64 bits: 64 compiler: N/A Desktop: Cinnamon 5.0.4 
           wm: muffin dm: LightDM Distro: Linux Mint 20.2 Uma base: Ubuntu 20.04 focal 
Machine:   Type: Portable System: Dell product: Studio 1745 v: A01 serial: <filter> 
           Mobo: Dell model: 0G914P v: A01 serial: <filter> BIOS: Dell v: A01 date: 07/16/2009 
Battery:   ID-1: BAT1 charge: 655.4 Wh condition: N/A volts: 1.7/11.1 
           model: Dynapack DELL U151P99B serial: <filter> status: Unknown 
CPU:       Topology: Dual Core model: Intel Core2 Duo T6600 bits: 64 type: MCP arch: Penryn rev: A 
           L2 cache: 2048 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 ssse3 bogomips: 8777 
           Speed: 2194 MHz min/max: 1200/2200 MHz Core speeds (MHz): 1: 2194 2: 2194 
Graphics:  Device-1: Intel Mobile 4 Series Integrated Graphics vendor: Dell driver: i915 v: kernel 
           bus ID: 00:02.0 chip ID: 8086:2a42 
           Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa 
           resolution: 1600x900~60Hz 
           OpenGL: renderer: Mesa DRI Mobile Intel GM45 Express (CTG) v: 2.1 Mesa 20.2.6 
           direct render: Yes 
Audio:     Device-1: Intel 82801I HD Audio vendor: Dell driver: snd_hda_intel v: kernel 
           bus ID: 00:1b.0 chip ID: 8086:293e 
           Sound Server: ALSA v: k5.13.0-27-generic 
Network:   Device-1: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter 
           vendor: Hewlett-Packard driver: ath9k v: kernel port: 1c00 bus ID: 08:00.0 
           chip ID: 168c:0036 
           IF: wlp8s0 state: up mac: <filter> 
           Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Dell 
           driver: r8169 v: kernel port: 3000 bus ID: 20:00.0 chip ID: 10ec:8168 
           IF: enp32s0 state: down mac: <filter> 
           Device-3: Qualcomm Atheros type: USB driver: btusb bus ID: 8-1:3 chip ID: 0cf3:3121 
Drives:    Local Storage: total: 298.09 GiB used: 11.16 GiB (3.7%) 
           ID-1: /dev/sda vendor: Western Digital model: WD3200BEKT-75F3T0 size: 298.09 GiB 
           speed: 3.0 Gb/s serial: <filter> 
Partition: ID-1: / size: 50.17 GiB used: 11.05 GiB (22.0%) fs: ext4 dev: /dev/sda5 
           ID-2: swap-1 size: 7.37 GiB used: 113.4 MiB (1.5%) fs: swap dev: /dev/sda6 
Sensors:   System Temperatures: cpu: 56.0 C mobo: N/A 
           Fan Speeds (RPM): cpu: 2800 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/brave-browser-release.list 
           1: deb [signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg arch=amd64] https: //brave-browser-apt-release.s3.brave.com/ stable main
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] https: //dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/kubuntu-ppa-backports-focal.list 
           1: deb http: //ppa.launchpad.net/kubuntu-ppa/backports/ubuntu focal main
           Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
           1: deb http: //packages.linuxmint.com uma main upstream import backport #id:linuxmint_main
           2: deb http: //archive.ubuntu.com/ubuntu focal main restricted universe multiverse
           3: deb http: //archive.ubuntu.com/ubuntu focal-updates main restricted universe multiverse
           4: deb http: //archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
           5: deb http: //security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
           6: deb http: //archive.canonical.com/ubuntu/ focal partner
           Active apt repos in: /etc/apt/sources.list.d/spotify.list 
           1: deb http: //repository.spotify.com stable non-free
Info:      Processes: 243 Uptime: 44m Memory: 3.80 GiB used: 2.18 GiB (57.4%) Init: systemd v: 245 
           runlevel: 5 Compilers: gcc: 9.3.0 alt: 9 Client: Unknown python3.8 client inxi: 3.0.38

[SMG]

My touchpad is not working at all even after installing libinput drivers.

Welcome to the forum, mint newbee138.

I would first advise you to run all the updates in Update Manager. Your Cinnamon version is showing as 5.0.4 which was updated to a newer version soon after release and had several updates after that. Your system is also using an older version of Xorg, so please run all the updates. Perhaps that will clear your issue.

If not, the libinput drivers are the default touchpad drivers according to the Linux Mint 20.2 Uma Release Notes, so if they do not work, you would need to try different drivers. In the Touchpad drivers section of the release notes it indicates:

The default touchpad driver in this edition is "libinput" (provided by the xserver-xorg-input-libinput package).

If you experience problems with it, you can switch to another driver called "synaptics" (provided by the xserver-xorg-input-synaptics package).

To know which driver is used by your input devices, run the following command:
grep -i "Using input driver" /var/log/Xorg.0.log

When both drivers are installed, "synaptics" takes priority.

To switch to the "synaptics" driver, install it with the command:

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apt install xserver-xorg-input-synaptics

Then log out and log back in.

To go back to using "libinput", simply remove the "synaptics" driver:

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apt remove xserver-xorg-input-synaptics

Then log out and log back in.

Note: You can also try installing the "evdev" driver (provided by the xserver-xorg-input-evdev).

[Larry78723]

Unless you have a specific reason for using the 5.13 kernel on a 2009 machine, I suggest you go back to 5.4 kernel.