Virus?

[diannaolaoda]

Hi guys, using Buster. Updated and upgraded regularly.
This problem occurred since yesterday. While reading a webpage, mouse cursor auto move in small steps across the screen, horizontally, diagonally and vertically and also freezes after sometime. The mouse and keyboard are locked. Have to press the Power button to power down. Can this be due to virus or something else?

[sickpig]

could be or it could be a driver or hardware issue. You can use xinput to identify the driver used by your mouse/keyboard and re-install it to see if it solves the issue.

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xinput --list 

to identify the device and then

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xinput --list-props [i]device id[/i]

to identify the driver. You may try to switch from libinput(if you are using that) to evdev and see if that fixes the issue.

[diannaolaoda]

Buster should be using evdev. Dependency problem when I try to install.

apt install xserver-xorg-input-evdev
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
xserver-xorg-input-evdev:i386 : Depends: xorg-input-abi-24:i386
Depends: xserver-xorg-core:i386 (>= 2:1.18.99.901) but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

Then I tried the amd64 version but no package located.
apt install xserver-xorg-input-evdev:amd64
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package xserver-xorg-input-evdev:amd64

[sickpig]

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apt install -f

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apt install --fix-missing

the above should help.

[stevepusser]

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xserver-xorg-core:i386 (>= 2:1.18.99.901)

You say you're running Buster, but that error says you have a Frankendebian, with older packages mixed in with Buster's. Can you tell us how that came to be?

[LE_746F6D617A7A69]

...strange things can happen if Your optical mouse have to walk on a shiny surface...

Besides that, it can be anything from dirty optics to broken cable... or if this is a RF mouse, it can be WiFi/Bluetooth/USB3.0 interference.