Fix Mac No Output Device Found Error 9 Proven Ways Step 1: navigate the system and preferences on mac and then go to the sound option. step 2: click on the output button, then choose internal speakers. next, move the output volume slider to a higher notch and ensure the mute button is unchecked. step 3: now, check if you can enjoy the sound again. If there's no red light, the switch may still be stuck in the headphone position. try to free it the same way. 8. disconnect all wired peripherals except keyboard and mouse, if applicable. if more than one display is connected, disconnect all extra ones. restart and test. 9. if you have a macbook air, turn off bluetooth and restart. 10.
Fix Mac No Output Device Found Error 9 Proven Ways No output device found. i updated my macbook air (2017 model) in macos big sur. after the update, it's working fine, but now my speaker is not working (no output device found showing in sound setting). i tried all the options which is suggest by apple support, but none of the options worked. please help to resolve this. Connect headphones to the headphone jack to see if you get audio through the headphones. if you have an older model laptop, especially a non retina model, then the issue may be with the headphone jack. play some audio, then while the audio is still playing look into the headphone jack to see whether a red light is seen. Boot into safe mode. 8. diagnose with apple hardware test. 9. test with a new user account. 10. nuclear option – reinstall macos. preventing macbook pro audio issues. as an it consultant specializing in mac support, one of the most frequent issues i see is a macbook pro suddenly losing all sound output. Type in the following command and hit enter: sudo killall coreaudiod. enter your administrator password. once core audio is reset, play some audio media on your mac. most of the time, this fixes.
Fix Mac No Output Device Found Error 9 Proven Ways Boot into safe mode. 8. diagnose with apple hardware test. 9. test with a new user account. 10. nuclear option – reinstall macos. preventing macbook pro audio issues. as an it consultant specializing in mac support, one of the most frequent issues i see is a macbook pro suddenly losing all sound output. Type in the following command and hit enter: sudo killall coreaudiod. enter your administrator password. once core audio is reset, play some audio media on your mac. most of the time, this fixes. How to fix the “no output devices found” issue on your mac: reboot – rebooting your computer is a tried and true method for “fixing” all sorts of problems (and it is not limited to just macs, it works for pcs too!). sometimes your computer simply gets confused. No audio: "no output devices found". i have an 11” macbook air that isn’t outputting sound through the internal speakers or headphone jack. under output devices in system preferences we get “no output devices found”. we reset the pram nvram and smc as usual, no dice. is this just faulty hardware or a software bug?.
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