Speakers work but no sound

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Speakers work but no sound

Speakers work but cannot get any sound output. Running windows 7 on Intel iMac. Speakers sound on booting and graphics in Control panel and on toolbar indicate sound is being recieved but nothing comes out of speakers or headphones.

iMac, Mac OS X (10.6.2)

Posted on Sep 13, 2014 6:08 AM

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Answer 1

Loner T

Level 9

59,471 points

Sep 13, 2014 6:11 AM in response to johnfaraway

On the Windows side, under Device Manager, are there any Audio Devices?

Were Bootcamp drivers installed?

Has the sound worked properly at any time under Windows?

What model is the iMac?

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Answer 2

johnfaraway Author

Level 1

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Sep 13, 2014 8:08 AM in response to Loner T

Yes. when you go to Sound in Control Panel you can see the Speakers and the sound bar is active. Likewise when you plug the Earphones in it recognises them and the green active/volume scale is moving up and down - but again no sound. The earphones work on my iPad,

Not sure what BootCamp drivers are needed. I have used the machine for a few years as a Mac but need a Window system for accounting. When the system boot you get the Windows twang. If I try to play something from iTunes it again shows there is a signal - but no sound.

It is Intel(R) Core(TM2 Duo CPU E8435@ 3.06GHz with 4GB RAM and a 32bit Op sys. If loaded Windows 7 Home Premium with Service Pack 1.

Thanks

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Answer 3

Loner T

Level 9

59,471 points

Sep 13, 2014 8:22 AM in response to johnfaraway

1. What version of OSX are you using?

2. In Bootcamp Assistant, you can download drivers for for Windows to a USB and switch to Windows and install these drivers. It should help the sound issue.

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Answer 4

johnfaraway Author

Level 1

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Sep 13, 2014 8:39 AM in response to Loner T

Thanks

Not Certain which OSX but no older than 18 months.

On my original USB disk I have quite a lot of Drivers. Which ones should I be looking for - RealTek?

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Answer 5

Loner T

Level 9

59,471 points

Sep 13, 2014 8:49 AM in response to johnfaraway

1.. The drivers are specific to Windows and your hardware. I recommend using Bootcamp Assistant. Run Bootcamp Assistant, choose Download drivers to a USB (2GB stick). and download the latest drivers. Boot Windows, and run setup.exe in the Bootcamp folder.

2. Click on About This Mac (top left Apple icon in the menu bar). It should show you what version of OSX you are currently running.

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Answer 6

johnfaraway Author

Level 1

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Sep 13, 2014 9:03 AM in response to Loner T

Hi

I only installed Bootcamp about 3 months ago. I'll have to back all the accounting data up, not today, before I can do this.

This iMac automatically boots to Windows. Forgotten what Keys to I hold down on Boot Up to get the option to open as a Mac?

Thanks

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Answer 7

Loner T

Level 9

59,471 points

Sep 13, 2014 9:15 AM in response to johnfaraway

This is your machine - http://www.everymac.com/systems/apple/imac/specs/imac-core-2-duo-3.06-24-inch-al uminum-early-2008-penryn-specs.html

It is an iMac from 2008. You can download the .zip file directly to a new folder on the Windows side, unzip it and run setup.exe from this folder.

This is what you need - Boot Camp Support Software 4.0.4033. (From System Requirements).

Post Date: Mar 14, 2013

File Size: 601.76System Requirements

MacBook (13-inch, Late 2006)
MacBook (13-inch, Mid 2007)
MacBook (13-inch, Late 2007)
MacBook (13-inch, Early 2008)
MacBook (13-inch, Late 2008)
MacBook (13-inch, Early 2009 & Mid 2009)
MacBook (13-inch, Late 2009) *
MacBook (13-inch, Mid 2010) *
MacBook Air (13-inch, Early 2008)
MacBook Air (13-inch, Late 2008 & Mid 2009)
MacBook Air (11-inch & 13-inch, Late 2010) *
MacBook Pro (15-inch & 17-inch, Core 2 Duo)
MacBook Pro (15-inch & 17-inch, 2.2 & 2.4GHz)
MacBook Pro (15-inch & 17-inch, Early 2008) *
MacBook Pro (15-inch, Late 2008) *
MacBook Pro (17-inch, Early 2009 & Mid 2009) *
MacBook Pro (15-inch, Early 2009) *
MacBook Pro (13-inch and 15-inch, Mid 2009) *
MacBook Pro (13-inch,15-inch, and 17-inch, Mid 2010)
MacBook Pro (13-in, 15-inch, and 17-inch, Early 2011 & Late 2011)
Mac Pro (Mid 2006)
Mac Pro (Early 2008) *
Mac Pro (Early 2009)
Mac Pro (Early 2007)
Mac Pro (Mid 2010)
Mac Pro (15-inch and 17-inch, 2.2 & 2.4GHz)
Mac mini (Mid 2007)
Mac mini (Early 2009 & Late 2009)
Mac mini (Mid 2010) *
iMac (17-inch, Late 2006)
iMac (20-inch, Late 2006)
iMac (24-inch, Late 2006)
iMac (20-inch & 24-inch, Mid 2007)
iMac (20-inch & 24-inch, Early 2008)
iMac (20-inch, Early 2009 & Mid 2009)
iMac (21.5-inch & 27-inch, Late 2009) *
iMac (27-inch, Late 2009) *
iMac (21.5-inch, Mid 2010) *
iMac (27-inch, Mid 2010)
iMac (21.5-inch, Mid 2011 & Late 2011)
iMac (27-inch, Mid 2011)

all these drivers support Windows 7, 32 bit

* drivers that support Windows 7, 32 and 64 bit

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