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Brandon M.
Brandon M., Mac Support Specialist
Category: Mac
Satisfied Customers: 6977
Experience:  10+ Years Mac Support as contractor and currently an IT Manager for law firm
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My external Bose speakers suddenly stopped working in my IMac.

Resolved Question:

My external Bose speakers suddenly stopped working in my IMac. They work on another computer. I installed the newest OS to see if that would help, but no. The headphones work, however. Could this be a hardware problem instead of a software problem? If so, how do I fix it since it seems to be the computer and not the speakers?
Submitted: 6 years ago.
Category: Mac
Expert:  loadedmind replied 6 years ago.
Welcome to JustAnswer! I'm John. As I and other Experts work on your question, it
would help to know the following information, if you please:

* What version of OS X are you using? To obtain this information, click on the
Apple icon at top left, then choose About This Mac from the menu. The numbers to
the right of Version is what I'm looking for.
* What web browser are you using? Ex. Firefox 3.5 or Safari 3.2 etc
* What do you see in Sound under System Preferences while the Bose speakers are plugged in?

Thank you for trusting us with your question. Answering these questions will help us help you more effectively and will ensure a quality solution for you so please be as thorough and descriptive as possible.

Regards,
John
Customer: replied 6 years ago.
I was using Tiger. But today I upgraded to Leopard 10.6.3 to see if that would fix the problem.
I am using Safari 4.04
I do not see Bose speakers in the Sound menu of Preferences. I only see Internal Speakers as an option
Expert:  loadedmind replied 6 years ago.
It sounds like your Sound Card may be "hurting". I'll "Opt Out" in case any other Experts might have an idea what might be happening here.

Regards,
John
Customer: replied 6 years ago.
Thanks.
Expert:  Brandon M. replied 6 years ago.
Hi there,



Welcome to JustAnswer.com! My name is XXXXX XXXXX I'd love to help you.



How do the speakers hook up to your iMac? Using a USB cable or a "mini-banana" stereo cable (same as headphones)? Also, do your headphones work in the same port?



Let me know!



Best Regards,

Brandon










Edited by BeBoo on 4/6/2010 at 3:22 AM EST
Customer: replied 6 years ago.
The speakers use the 'mini-banana'. I tried my headphones but they do not work in that port either. When I plug either the speakers or the headphones in the sounds still comes out of the external speakers as if nothing is plugged in at all.
Expert:  Brandon M. replied 6 years ago.
Thanks for that info. There are a couple things we can try. First, let's try a PRAM reset and Safe Boot. If this doesn't work, we can try a PMU reset. If neither of these work, the port might be shot.

To reset the PRAM and boot into Safe Boot:

  • Turn your computer off
  • Locate the following keys: Option, Command, P and R. Hold all four of these keys down and turn your computer on.
  • Keep the keys held down for a total of 3 or 4 chimes.
  • After the 3rd or 4th chime, let the keys go and hold down the Shift key by itself.
  • Keep the Shift key held until you see the login screen. It will say "Safe Boot." Login normally and then restart your computer.

After restarting, try plugging headphones or speakers in and see if they work. If not, we can try resetting your PMU. I will need the serial number of your machine for me to get the correct instructions. This will most likely have you taking part of the computer apart to access a button under the case. Don't worry, it's very easy to get in and out of these computers.

Let me know if the PRAM and Safe Boot worked. If not, please provide me with the serial number.

Hope this helps!

Best Regards,
Brandon

Edited by BeBoo on 4/6/2010 at 11:10 PM EST
Brandon M., Mac Support Specialist
Category: Mac
Satisfied Customers: 6977
Experience: 10+ Years Mac Support as contractor and currently an IT Manager for law firm
Brandon M. and 2 other Mac Specialists are ready to help you
Expert:  Brandon M. replied 6 years ago.
Let's check something real quick. Can you look inside the headphone port? Do you see a red light inside the port?

Also, when you plug something in and look in the Sound Preference Pane, do you ever see it change from Internal Speaker?

Let me know.

Best Regards,
Brandon
Customer: replied 6 years ago.
No red light. When I plug something in there is no change in the Sound Preferences. It still says "Internal Speakers".

Also, did you get my previous message with my serial number?
Michelle
Expert:  Brandon M. replied 6 years ago.
Yes I did. In the future, you can reply to a question after you accept. I wanted you to check this one thing before we dove in any further. Let's try resetting the SMC. To do this, shutdown your iMac. Unplug all the cables. Push and hold the power button for at least 5 seconds (with the power cord still unplugged). Once thats done, reconnect all your cables and turn your iMac back on.

Let me know if this works for you.

Best Regards,
Brandon
Customer: replied 6 years ago.
This didn't work. Still no speakers :(
Expert:  Brandon M. replied 6 years ago.
There is one more thing I can have you try. If this doesn't work, you'll have to take it in and have a hardware test done on the iMac at an Apple Store or authorized service center.

Try creating a new user and testing with the new user. In System Preferences, go to Accounts. Create a new user and logout of your user and in with the new user. Does sound still not work? If it still fails to come out of the external speakers or headphones, I would suggest taking it to have a hardware test done to make sure nothing has failed on the iMac's board. If you are not aware, you can find the closest Apple Retail Store here:

http://www.apple.com/retail/storelist/

Hope this information helps! Good luck!

Best Regards,
Brandon
Brandon M., Mac Support Specialist
Category: Mac
Satisfied Customers: 6977
Experience: 10+ Years Mac Support as contractor and currently an IT Manager for law firm
Brandon M. and 2 other Mac Specialists are ready to help you
Customer: replied 6 years ago.
This didn't work either. Now I know it must be a hardware problem. Thank you so much for you help and patience.
Michelle