This maybe a little too late at this point, but here you are gln.
Can I disable the pc speaker? Or at least turn it down?
Disabling the internal speaker through Software, the Motherboard jumper or Motherboard cable.
With Software
You can disable the Internal speaker or PC speaker by following these steps.
Hopefully this will work, the other two ways require you to disassemble the Laptop.
Open Device Manager
In Device Manager click View and click "Show hidden devices"
This should make "Non-Plug and Play Drivers" visible in Device Manager.
Expand Non-Plug and Play Drivers by clicking the arrow and double-click Beep.
Within the "Beep properties" window click the Driver tab.
Under the driver tab if you wish to temporarily disable this device click the Stop button.
If you wish to permanently disable this device under the Startup Type, select Disabled.
These are more difficult:
With the Motherboard jumper
If following the above steps does not disable the Internal speaker you can also almost always disable the Internal speaker through jumpers on the motherboard. Many motherboard manufacturers have jumpers that when jumped or not jumped will enable the on-board speaker. Unfortunately all motherboards are different, therefore you will need to refer to the motherboard documentation in order to determine if your motherboard has such a jumper and what to set it to.
With a Motherboard cable
Some motherboards do not have an onboard speaker and instead use a computer case speaker that can be removed to disable the speaker. Unfortunately again you will need to refer to the motherboard or computers documentation to determine if your computer is setup this way.
Whatever way works for you, remember! To reverse the changes you made when you are done.
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