bontor
Level 1
(4 points)
Q: no internal speaker option available in my volume preferences
I can only hear my should if I have earphones, when i go into preferences there is no internal speaker option to select.
MacBook Pro (15-inch Mid 2012)
dominic23
Level 8
(41,661 points)
Go step by step and test.
1. System Preference > Sound > Output > Internal Speakers
Highlight Internal Speakers.
Make sure that Mute is not enabled.
2. Plug in and remove the headphone.
If you see red light in the headphone port, plug the headphone
in and out of the port 5 or 6 times to flip the microswitch inside.
Sound output may be stuck in digital mode.
3. Reset PRAM. http://support.apple.com/kb/PH18761
4. Reset SMC.
Choose the method for “If the battery is removable”.
https://support.apple.com/en-us/HT201295
5. Applications > Utilities > Audio MIDI Setup
Audio Devices window
Side Bar
Click the Built-in Output.
Make sure that box is not checked under “Mute”.
Make sure that Format is set at 44100.0 Hz.
Right click on the Built-in Output for available options.
