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10-20-2023, 10:07 AM
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#1
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Member
Registered: May 2019
Posts: 80
Rep: 
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Unresponsive Mouse
I am running Debian 11 on a desktop PC. Recently my mouse (Logitech B100 USB wired) has started to become
'draggy' I.e. cursor is slow to respond to movement of the mouse and often repeated movements of the mouse are needed to get
the cursor to move. This 'draggy' behaviour is getting worse. The mouse is only a couple of years old. The mouse is clean, including the underside. Discarding the mouse pad does not change the behaviour.
Any suggestions please as to what might be causing the problem and how to solve it ?
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10-20-2023, 10:49 AM
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#2
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LQ Addict
Registered: Mar 2012
Location: Hungary
Distribution: debian/ubuntu/suse ...
Posts: 23,649
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plug it into another usb port, another host. Did you experience any issue with your keyboard or any other software? Did you check your log files (if they contain anything related)? Does it depend on the user logged in?
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10-20-2023, 02:19 PM
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#3
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LQ 5k Club
Registered: Nov 2002
Location: Somewhere inside 9.9 million sq. km. Canada
Distribution: Slackware 15.0, current, slackware-arm-currnet
Posts: 6,350
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Are you running Wayland with a Nvidia card? That combination will give you those symptoms.
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10-22-2023, 09:32 AM
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#4
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Member
Registered: May 2019
Posts: 80
Original Poster
Rep: 
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Unresponsive mouse
Not running Wayland with NVIDIA.
Due to the particular arrangement of the desktop, it is not really possible to unplug the mouse, which uses a USB port at the back of the desktop.
I am thinking of plugging a new wired USB mouse into a USB port at the front of the desktop.
My question is : Can I have two USB mice plugged in at the same time ?
I would of course only be using the new mouse, but was wondering whether there would be any conflict between the two mice.
I am also thinking of checking the log files, in particular X logs, but I am not sure what search terms to use e.g. should I search for 'mouse' ?
Also, maybe there is a power management problem.
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10-22-2023, 09:56 AM
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#5
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LQ 5k Club
Registered: Nov 2002
Location: Somewhere inside 9.9 million sq. km. Canada
Distribution: Slackware 15.0, current, slackware-arm-currnet
Posts: 6,350
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Quote:
My question is : Can I have two USB mice plugged in at the same time ?
I would of course only be using the new mouse, but was wondering whether there would be any conflict between the two mice.
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Yes, you can have 2 mice plugged at the same time. Each gets a different USB address, and they will not affect each other. I would just place the mouse in question away for your keyboard area, so you don't bump it while testing.
The logs may be helpful. Post anything you want help interpreting.
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10-26-2023, 12:04 PM
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#6
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Member
Registered: May 2019
Posts: 80
Original Poster
Rep: 
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I suspect the mouse has a faulty left button. How can I check that, given I can't unplug the mouse ?
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10-26-2023, 12:26 PM
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#7
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LQ Guru
Registered: Jan 2006
Location: Ireland
Distribution: Slackware, Slarm64 & Android
Posts: 17,262
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Quote:
Originally Posted by debianlearner
I suspect the mouse has a faulty left button. How can I check that, given I can't unplug the mouse ?
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With no program maximised, click the left button on the screen background for focus, then the right button. Some menu should appear.
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10-26-2023, 01:53 PM
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#8
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LQ Addict
Registered: Mar 2012
Location: Hungary
Distribution: debian/ubuntu/suse ...
Posts: 23,649
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xev may help you to see if event is generated at all.
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10-28-2023, 08:42 AM
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#9
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Member
Registered: May 2019
Posts: 80
Original Poster
Rep: 
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I realise that xev will not tell me anything that I do not already know i.e. that the left mouse button does not work correctly.
I have plugged another mouse into a USB port on the front of the desktop and that mouse works okay.
It now seems to me that the original mouse's left button does not work properly because that button has a loose electrical connection.
Thanks to all who provided help.
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