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-   -   Humming Headphone Jack (Please Help) (http://www.mac-forums.com/forums/apple-notebooks/40528-humming-headphone-jack-please-help.html)

Gadgetron 08-29-2006 10:39 AM

Humming Headphone Jack (Please Help)
 
Good Morning,
Last week I picked up a 2.0ghz black Macbook (with apple installed 1gig memory 512 x2) at the apple store.
So after less than a week I have a problem. Today I started up the macbook, after checking my email and doing a few more things, I decided to listen to some music.
I plugged my headphones into the jack on the Macbook and to my suprise there is an audible "humming" coming through my headphones.
I took the headphones out and plugged them into my ipod (no humming in the headphones).
So my question is, is my macbook busted? is this a known issue?
This is the first time its happened in the 6 days! I have had this Macbook.
Any suggestions? or shoudl I just go to the store tonight, and have it sent out for repair...sigh.
Thank you for your time.
~/.Chris

ripfrankwhite 08-30-2006 10:28 PM

They all do that. So do desktops and other laptops. Unless you have a very high end sound card, it won't be totally black.

PowerBookG4 08-30-2006 10:33 PM

I don't have that in my powerbook.. or in any of my other computers... it could be a short in your laptops head phone jack.

nickster9224 08-30-2006 11:19 PM

take it to your apple store

NanoBite 08-31-2006 01:15 AM

Quote:

Originally Posted by Gadgetron
I plugged my headphones into the jack on the Macbook and to my suprise there is an audible "humming" coming through my headphones.

Don't put up with it.....it's a stereo output jack and should be no different from the one on your iPod.

Aptmunich 08-31-2006 02:57 AM

Make sure you haven't switched some setting in the audio/midi setup. (Applicatios->Utilities->Audio Midi Setup)

I just listened with my extremely sensitive Shure headphones and my macbook is silent. It is affected by plugging in firewire devices though.

But if it persists, take it in.

pachieh 09-21-2006 04:28 AM

Quote:

Originally Posted by Aptmunich
Make sure you haven't switched some setting in the audio/midi setup. (Applicatios->Utilities->Audio Midi Setup)

I just listened with my extremely sensitive Shure headphones and my macbook is silent. It is affected by plugging in firewire devices though.

But if it persists, take it in.


I am also having the same problem. I'm using Shure e4c headphones on my Macbook. One thing I noticed though was that when I touch the laptop anywhere next to the trackpad, the sound goes away. It is like the actual laptop chassis is vibrating and sending the feedback through the headphone port. It is very odd. When I touch the laptop and drag my finger, it feels kind of funny like the surface isn't exactly smooth. It is hard to explain.


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