On Fri, Jan 24, 2014 at 9:19 PM, John Jason Jordan <[email protected]>wrote:

> Xubuntu 13.10, up to date. Its IP address is 192.168.0.126, assigned fby
> the router on my local network. I am suddenly getting an occasional
> bleep from the computer. loud enough to knock me out of my chair.


Do you get the same beep if you hit the tab key in a terminal window twice
(assuming you haven't disabled it in the terminal preferences).  Does it
match the audible beep produced?

Have you tried (as root):
rmmod pcspkr

Unless you like monotonous beeps (I don't, I'm biased, gnashes teeth), you
can blacklist the pcspkr module so it doesn't load itself after each
reboot.  Edit or create an /etc/modprobe.d/blacklist.conf file and add the
following:

blacklist pcspkr
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