Public bug reported:

lubuntu-18.04.2-desktop-i386
Model#: Dell Inspiron 2650
Processor: Intel Pentium 4
Touchpad:  Windows XP reports it as "Synaptics PS2 port Touchpad"

After repeated boots, the touchpad and keyboard stop working on a Dell laptop I 
am using.
I have tried several fixes posted on the Internet, each one works for about 3 
consecutive boots and then the problem starts all over again.  Trying to use 
the stated fixes again, does not repeat the fix.

I consider this a very serious issue, as a person loses all control of
the system.

The only solution to gain control back is to plug in a USB Keyboard and
mouse, but this also after repeated boots fails.  I've had to re-install
Lubuntu, and then the process starts all over again.

The devices work correctly under Windows XP - never have any issues with
them.

I tried these posted fixes with only temporary results:

Posted Fix Attempt #1
At time of login press Ctrl+Alt+F3.
Then input your username and password.
After that, input the command 
sudo apt-get install xserver-xorg-input-all
Then input
exit and restart

Posted Fix Attempt#2
terminal:
sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.proto=bare"
save and exit
sudo update-grub
sudo add-apt-repository ppa:atareao/atareao
sudo apt-get update
sudo apt-get install touchpad-indicator
exit
Reboot

** Affects: lubuntu-meta (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1827734

Title:
  Touchpad and Keyboard stop working on Lubuntu 18.04.2

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