[Lex Computer & Tech Group/LCTG] Sound problems after recent Windows update

[Bob Eckert]

Good suggestions from Paul.

I would also like to express concern about the possibility of using
Microsoft's "go back to a previous version of Windows" utility.

When I initially updated to Windows 10, version 2004, the update broke
iCloud synchronization, and I used that Microsoft tool to revert.  
This rendered my desktop PC unbootable, and I had to use a recent image file
and Acronis True Image to undo.

Believe it or not, the identical issue occurred with my Dell XPS-13 laptop
when updated to Windows 10 version 2004.

After restoring both machines with their corresponding image files,
uninstalling iCloud, re-upgrading to Windows 10 version 2004,
I fixed the iCloud issue by installing an earlier version of iCloud that
worked and played well with Windows 10 version 2004.

Apple has since fixed the compatibility issue with iCloud and Windows 10
version 2004, and both machines are now happy with the current 
version of iCloud.  I have no idea if Microsoft has or has not fixed the
egregious bug in their
"go back to a previous version of Windows" utility.

Regards and best of luck,
Bob Eckert
roberteckert at verizon.net
Cell:     781-336-7377

-----Original Message-----
From: LCTG <lctg-bounces+roberteckert=verizon.net at lists.toku.us> On Behalf
Of Paul Garmon
Sent: Sunday, March 14, 2021 10:20 PM
To: Lex Computer Group <lctg at lists.toku.us>
Subject: Re: [Lex Computer & Tech Group/LCTG] Sound problems after recent
Windows update

Hi,

General ideas:

   1. Remove any Realtek (or other) sound drivers completely (uninstall or
   remove driver)
   (as there are known issues with recent Microsoft updates busting things
   like this)

   2. Reinstall if that alone doesn't restore sound
     (you may need to find out what you have for a sound chip/card to find
   the appropriate driver[s]).

   3. Find someone who knows how to do all this to help you one on one if
   you don't.


Neither Microsoft nor Apple can test every possible combination of hardware
and software, and usually there are interactions.  Also, Microsoft often
tends to deliberately (and silently) remove or disable 3rd party extensions
during their updates, such as non Microsoft video (e.g. NVIDIA) and sound
drivers (RealTek and others).  So nice.

Paul

On Sun, Mar 14, 2021 at 9:22 PM Evelyn Silber <evelynsilber at gmail.com>
wrote:

> My computer did an automatic update yesterday and since then I have no 
> sound.  Any recommendations?
>
> It was KB4601050 - 2021-02 Cumulative Update for .NET  Framework 3.5 
> and
> 4.8 for Windows 10, version 20H2 for x64.
>
> Thanks for your help.
>
> Evelyn Silber
>
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