Ask Ubuntu Asked by Alan Z. on November 21, 2021
Sometimes in Ubuntu (running as Xubuntu as guest in a VirtualBox on a Windows as host) the mouse stops working in the sense that mouse clicks are not recognized anymore. The mouse pointer is still visible and keystrokes from the keyboard are still recognized.
Switching VT (as suggested in some similar problem reports) does not resolve the problem.
Rebooting solves the problem however the problem occurs again after some days/hours.
Is there a simpler solution than rebooting and how to prevent this problem from occurring?
Arch Linux, KDE Wayland, same issue. After I put the Windows full screen, I am unable to click anywhere. I can't click either on the dialog Window to close the virtual machine.
I think that it is an issue with Wayland. I resolved It by uninstalling VirtualBox and installing VMWare. It works very well.
Answered by Linuxian on November 21, 2021
Go to virtual box -> File -> Preferences -> Input
Disable [] Auto Capture Keyboard
It's the only solution worked for me after fiddling a few hours.
VirtualBox version : 6.1
Host : Manjaro Linux 21 ; Kernel 5.10 ; KDE plasma 5.22 ; Wayland ;
Guest : Windows 10
Answered by Hasindu Lanka on November 21, 2021
My Situation: Ubuntu 21.04 - > Ubuntu Virtual box instance -> VPN and connected to a windows box via Remmina.
I noticed, the mouse would stop working. I couldn't click on anything within the VM as well as the actual virtual box application on my main ubuntu pc. The only thing I could do is kill the vm session by clicking on the X on the top left. Once I did this ( i saved the state of the vm ). I was able to click in the application once more.
With Ubuntu 21.04. Wayland is the default display server. Switching back to XOrg seems to fix the problem I was experiencing.
Answered by Begui on November 21, 2021
I tried everything I found but the only thing that worked for me was to change the Graphics Controller setting to VMSVGA in the Display menu.
Answered by Bablu Kumar on November 21, 2021
I had this problem recently and I solved it by just quitting the machine by pressing Host + Q
(i.e. RightCtrl + Q
in my case). You are given the option to save the machine state so your work won't be lost. When I started it back up, it worked fine.
Answered by joe on November 21, 2021
sudo pkill VBoxClient
sudo VBoxClient-all
That worked for me. I think it is easier than searching processes.
Answered by Şaban Koçal on November 21, 2021
I've been having that problem for months, even with drag and drop disabled. Also triggering mouse integration did not help. This FINALLY fixed it for me:
Go to your VM and change the Settings > User Interface to NOT show the mini-toolbar in fullscreen mode
Source: meeas on virtualbox forums
You still can access the menu with a keyboard shortcut: Host + Home
Answered by Jerther on November 21, 2021
I notice this problem since probably the last few months with VBox 6.1.x. I run Xubuntu 20.04 on MacBook Pro. I feel the issue might be related to double clicking mouse somewhere faster than the system can react (why it sometimes reacts slowly I don't know). Once that happens, basically clicking mouse on any place has no effect at all. But one work around I found is to click the "right mouse", in my case the two-finger click, in a terminal or in an editor or some place, then a menu pops up. You then left click elsewhere to dismiss the menu, then the mouse works as normal.
+++++++ Recently as I have been trying to find out about a problem related to slow menu reactions with Android Studio running on Xubuntu, as I documented here, I found the cause of the two issues are one: display scaling with VirtualBox. I've got a solution/workaround which also eliminates this issue.
Answered by LeoK on November 21, 2021
Update: As suggested in other answers, as a quick fix first try just right-click with the mouse. If this does not help, try killing the VirtualBox drag&drop processes as described below or in other answers.
Full/Original Answer:
The problem might be caused by VirtualBox drag&drop (d&d) problems. If this is the case, it can be solved by killing the VirtualBox d&d processes.
Open a terminal (Ctrl+Alt+t does it for me) and find the d&d processes e.g. by: ps -ax | grep VBoxClient
, resulting e.g. in (among other entries):
1429 ? S 0:00 /usr/bin/VBoxClient --draganddrop
Then kill all processes which contain this text: VBoxClient --draganddrop
e.g. for process number 1429 by: kill 1429
I got some hints for this solution on: https://www.virtualbox.org/ticket/14903
If this does not help, try turning off and on again "Mouse Integration" (via the menu of the VirtualBox).
Further, if the problem keeps recurring, consider disabling VirtualBox drag&drop altogether.
Answered by Alan Z. on November 21, 2021
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