Hello,
Thank you for posting your query in Microsoft community.
I understand that the volume control interface is stuck at the top left part of the screen and I’ll assist you with this.
Let’s Follow the troubleshooting steps below and see if it helps.
Method 1: Let’s perform Clean Boot.
A clean boot is performed to start Windows by using a minimal set of drivers and startup programs. This helps eliminate software conflicts that occur when you install a program or an update. You may also troubleshoot or determine
what conflict is causing the problem by performing a clean boot.
Please refer the steps given in the link below to perform a
Clean Boot:
https://support.microsoft.com/en-us/kb/929135?ppud=4&wa=wsignin1.0
Note: Please go through the section: How to reset the computer to start as usual after troubleshooting with clean boot of the Kb article to boot the computer in normal startup after fixing the issue.
If the issue persists, try the following.
Method 2: Restart File Explorer.
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Press Ctrl + Shift + Esc keys to open
Task manager.
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Right click on windows explorer and select “end task”.
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Click on “file” and select “start new task”.
Type explorer.exe and press enter to restart windows explorer.
Reply with results and necessary information to help you further.
I was unclear in my message.
The problem began in Windows 8.1, but I have now installed Windows 10. The instructions for a clean boot only talk about Windows 8, 7, and Vista. Do they also work for 10? (I don't want to add yet another problem by following inapplicable instructions.)
BTW, other things I have already tried recently include uninstalling Conexant and downloading a different audio driver (RealTek); I thought perhaps Conexant kept reinstalling because the computer was looking for some sort of audio driver. That didn't work;
Conexant still reinstalls itself. I have tried using the Task Manager to tell Conexant to stop. I have tried changing the start-up so that Conexant isn't SUPPOSED to be starting up, but it does.
Unlike in Windows 8, deleting Conexant in Windows 10 does not get rid of the volume meter in the upper left screen at all.
If it helps in figuring out where the problem lies, when this started in Windows 8.1, it was after an automatic update that caused multiple other problems. That update toasted the Synaptics touchpad driver; it made it impossible to move from one window
to another without closing or minimizing the window I was in; it made making or changing entries in the Outlook Calendar and Contacts remarkably tedious, requiring work-arounds I had not had to use before; maybe a couple of other things I am forgetting now.
It was bad enough that I had decided to dump the box; meanwhile, I was using a little netbook instead while I researched what my next computer should be. Then I decided that I had nothing to lose in installing Windows 10 because the computer could not be
any LESS functional than it already was after that August 8.1 update.