On Tue, 2025-01-14 at 14:45 +0000, Paul Smith wrote:
> Surprisingly, by connecting the web-camera to a different usb port,
> the issue has been fixed.

That could be inadequate power available to that port (bunches of
USB sockets are grouped together, and they have a cumulative total that
they can supply).

But dodgy peripherals is very commonly a loose connection.  With the
system powered off, you can use a jeweller's screwdriver to bend the
spring tangs that grip the metal shell of the USB connector, to make
them grip better.  I find USB-B connectors are the worst for that
problem.  USB-A connectors don't make very good connections, they don't
have strong contact grip like an edge connector, they're just two PCBs
pushed together with fairly weak force.

Sometimes it's grotty contacts.  And if you don't have proper contact
cleaner (do not use general purpose things like WD40, they're
corrosive), a clean dry toothbrush often works wonders.  Or even one
dipped in meths - but *carefully* scrub the contacts until they're dry,
don't let it just evaporate (the deliberate contaminants added to
poison meths leave crap behind).  Clean the plug and the socket.

Going off on a tangent... with things like mice, it's often the cable
coming out of the mouse has suffered metal fatigue from all the
flexing, worse if the mouse tail is being bashed into things on the
table.


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