Jump to content

E7440 popping sound when powering off


princerock

Recommended Posts

E7440 fresh El Capitan install following Jake's guide:

 

 

I found when restarting or shutting down, the speaker makes a loud popping sound. It's like when you turn off the preamp before turning off the speaker, and the speaker makes that pop noise. I searched online and tried the antipop app, but it didn't work. Is there anyway to fix this issue?

 

Thanks,

 

Link to comment
Share on other sites

That's bad news. The popping sound could be really loud and I even worried it could break the internal speaker. If I connect the HDMI cable, both the monitor (which has built-in speaker) and the laptop make this noise upon restarting or powering off. It seems it always shuts down the audio source before shutting down the speaker, which seems to be a bad design.

Link to comment
Share on other sites

I didn't try this solution directly but I did update to High Sierra (10.13.6). It looks like the bootpack has this method (layout id = 12) and this problem is gone. Thank you Jake!

 

EDIT - sorry I spoke too fast. I still heard the sound after the most recent reboot. So it seems it's not happening every time but the problem is still there. Guess I will need to try out other layout ids?

Link to comment
Share on other sites

×
×
  • Create New...