Linux Disable PC Speaker beeps

Runtime change

• Check if you have the pcspkr module loaded.

#lsmod | grep pcspkr
pcspkr                  7105  0

• Remove the module. lsmod will return nothing if the module was removed.

#rmmod pcspkr
#lsmod | grep pcspkr

• Restore the module when done.

#modprobe pcspkr
#lsmod | grep pcspkr
pcspkr                  7105  0

Permanent change

• Add the pcspkr module to the modprobe blacklist file.

# vi /etc/modprobe.d/blacklist
{Add the lines below to the file.}
# pcspkr - turn off pc speaker "BEEP!"
blacklist pcspkr

• Reboot, and check if the pcspkr module was loaded. If the blacklist file kicked in then nothing will be returned.