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Old Nov 15, 2009, 06:45 PM   #1
JHall651
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iMac 27 NO SOUND IN WINDOWS 7 WITH BOOTCAMP

Ok so first I would like to say that I had this problem for about a day and looked all over the internet for answer. I found one solution to another and some were down right silly. Just to let everyone know I have an iMac 27 2.8 quad core. I finally worked through the trials and tribulations of actually getting Win7 installed and when it booted up I had no sound. From what I have read online many people are having this problem. A quick way to tell if you are having the same problem I was is if you look at the back of you iMac 27 and notice a red light coming out of your mini jack port. If so this is what you need to do. I went into device management (in windows 7) and uninstalled the two drivers that were under my sound device. After that I inserted the Snow Leopard Disc and I right clicked and Opened it (not run it). Went under the drivers area and loaded the vista64 realtec drivers. After the installation I rebooted and noticed that the red light was no longer on in the back and the sound worked. Hope this works.
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Old Nov 16, 2009, 02:02 AM   #2
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the fact that windows 7 isnt supported by apple probably is an indicator why the sound is not working. sucks but what can you do?

are you playing sound via optical or analogue?
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Old Nov 16, 2009, 04:25 PM   #3
JHall651
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No, I am playing sound through the iMac speakers just like on the mac side. Hence the purpose of this thread. I understand that Apple is not supporting Win7 100% yet but that does not mean you cannot have it installed and run correctly if you know how to manually fix the problem.
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Old Nov 16, 2009, 04:53 PM   #4
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Quote:
Originally Posted by JHall651 View Post
No, I am playing sound through the iMac speakers just like on the mac side. Hence the purpose of this thread. I understand that Apple is not supporting Win7 100% yet but that does not mean you cannot have it installed and run correctly if you know how to manually fix the problem.
i wonder why there is even a problem. the differences between vista and win7 are pretty minimal in terms of installation processes. surely installing the bootcamp drivers hasnt changed

glad to know that it works.
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Old Nov 16, 2009, 05:53 PM   #5
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I have tried this several times to no avail, I still can't get sound to work. Anyone else had success?
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Old Nov 16, 2009, 06:34 PM   #6
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i believe its a driver issue. i think if you will download the latest HD Realtek audio codecs from the Realtek website the sound will work fine. i did this for vista and three different windows 7 installs.

find them here: http://www.realtek.com.tw/downloads/...3&DownTypeID=3
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Old Nov 17, 2009, 11:13 AM   #7
davemccr
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Still no sound

So, I have successfully installed Windows 7 Ultimate x64 with almost everything working except for the sound. I have taken the advice above, uninstalled the sound drivers installed in device manager, and have tried to install the iMac 27" restore CD drivers, The Snow Leopard DVD Drivers, as well as downloading the drivers from realtek.

Each time, after restart, windows reinstalls the same generic windows drivers. What am I doing wrong?

On another note, the sound does work through my USB Logitec Headset.

Stumped and looking for answers,
Dave

i5, quad-core, 8gig ram 1tb hd.

Last edited by davemccr; Nov 17, 2009 at 11:15 AM. Reason: Added info
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Old Nov 24, 2009, 09:27 PM   #8
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I just installed Windows 7 Ultimate x64 tonight on my mid-2009 24" iMac (2.93 model) and the installation went flawlessly (using Bootcamp 3 - Snow Leopard).

But, as with the OP, no sound here neither and of course I couldn't run the BootCamp update from the disk - said something like 64bit Windows isn't supported on this machine. So I just went into Device Manager, right-clicked the HD Audio (under sound) and clicked "Uninstall" which removed the driver and disabled the sound (red 'x' through the speaker in taskbar).

I then put in the Snow Leopard disk, went to the Drivers sub-folder under the BootCamp folder and ran the Realtek driver .exe and it installed fine. Restarted and I now have sound working. I restarted several times and did a few things playing around for the past three hours and it's still working great.
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Old Nov 25, 2009, 02:14 AM   #9
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I actually had the same problem at first with WinXP and the 27" iMac. I had to go into the sound system and select the Cirrus audio output device, not the Ati output device.

However I am finding the sound very tinny, it's like the bass isn't turned on (same problem as current 13" MBP's). Sounds great in OS X though
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Old Nov 25, 2009, 02:25 AM   #10
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*face palm* it's not supported yet.
so you can't expect everything to work
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Old Nov 27, 2009, 01:51 PM   #11
fuzzbling
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Got mine working

Here's what I did to get mine working. Keep in mind that this may not be the right solution for everyone.

http://darkpixelstudio.net/wp/?p=247
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Old Nov 27, 2009, 02:40 PM   #12
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[EDIT]

Wow, I was in a bad mood. Sorry to those who read that. I honestly do not remeber posting that. Yikes. Changing Nicotine patch...

But avoid the caps

Looks like MrCheeto has the solution. Endorsed by Twitter and Youtube. Good Luck!
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Old Nov 27, 2009, 06:16 PM   #13
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Quoted

As a contributing member of these forums I find that I am obligated to share my resolution to this issue in the case that people are still having the issue or will refer to these forums in the future. Thanks very much, but after looking through a dozen of similar threads that were of no help I hope that this does not dissapoint.

I simply updated to the latest version of Bootcamp, currently version 2.2, which specifically offers a patch for this issue.

Click to Download from Apple.com
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Old Nov 29, 2009, 08:26 AM   #14
CTeditor
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same problem, resolved

ATC you saved me, I have the same imac, and installed windows 7 pro 64bit yesterday, and had no sound, also the SL disk wouldn't work cos of no support for 64bit.

After deleting the windows drivers and installing the realtek ones off the SL disk, i had sound. But I have a firewire interface that I want to use which is connected to studio speakers. When I installed that it still wouldn't work, until I disabled the realtek drivers and rebooted, and now its working through my external speakers

I didn't delete the realtek drivers, just disabled them, I don't know if it'll still work if I delete so I'll just leave it as is.

Also, in device manager there was a ! simbol telling me the SL drivers were not installed, so I checked the properties and clicked update and told it to search through the bootcamp folder on the SL disk, and that installed the Nvidia drivers and a bunch of other stuff.

Only other thing I'm wondering about is how to get the mac short cut keys to work e.g. the eject, screen brightness and audio level keys

Do you guys have them working?
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Old Nov 29, 2009, 10:07 AM   #15
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Quote:
Originally Posted by CTeditor View Post
ATC you saved me, I have the same imac, and installed windows 7 pro 64bit yesterday, and had no sound, also the SL disk wouldn't work cos of no support for 64bit.

After deleting the windows drivers and installing the realtek ones off the SL disk, i had sound. But I have a firewire interface that I want to use which is connected to studio speakers. When I installed that it still wouldn't work, until I disabled the realtek drivers and rebooted, and now its working through my external speakers

I didn't delete the realtek drivers, just disabled them, I don't know if it'll still work if I delete so I'll just leave it as is.

Also, in device manager there was a ! simbol telling me the SL drivers were not installed, so I checked the properties and clicked update and told it to search through the bootcamp folder on the SL disk, and that installed the Nvidia drivers and a bunch of other stuff.

Only other thing I'm wondering about is how to get the mac short cut keys to work e.g. the eject, screen brightness and audio level keys

Do you guys have them working?
I just install BC 3.0 from SL by browsing to the Bootcamp directory and manually running setup. It installs all the drivers and all the Fn keys work in Win7. I also manually downloaded the latest mobile nvidia drivers for Windows 7 (32 bit or 64bit depending on your install - I have both (32bit on uMBP and 64bit on iMac)) and the install worked flawlessly. Boosted the Win7 experience rating for the GPU and got rid of artifacts in some of my games.

Cheers,
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Old Dec 3, 2009, 07:17 PM   #16
CTeditor
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I just install BC 3.0 from SL by browsing to the Bootcamp directory and manually running setup. It installs all the drivers and all the Fn keys work in Win7. I also manually downloaded the latest mobile nvidia drivers for Windows 7 (32 bit or 64bit depending on your install - I have both (32bit on uMBP and 64bit on iMac)) and the install worked flawlessly. Boosted the Win7 experience rating for the GPU and got rid of artifacts in some of my games.
I tried browsing to the Bootcamp folder and run setup but got the same message that it's not supported. Also went online and did the windows update which I believe stuffed up my audio interface, it keeps cutting out. If I play a track in media player it'll play for a bit then eventually stop at any random point, then there is no audio at all in windows and all the play/pause/rewind buttons stop working in media player. Until I reboot and the audio might work for a while and then cut out again.
I couldn't figure out why it was happening so I tried switching to the 32bit, which installed fine. I did the windows update and put the SL disk in and everything went fine. But again when I tried my audio interface it would cut out.

So I'm going back to 64bit but without the updates this time, see if that satisfies me

Any news on these bootcamp updates yet?

Also what happens if I don't activate, and if do activate and have to format my computer at some point I wouldn't be able to activate again would I?

Last edited by CTeditor; Dec 3, 2009 at 07:26 PM. Reason: extra question
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Old Dec 5, 2009, 11:15 PM   #17
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snip

Also what happens if I don't activate, and if do activate and have to format my computer at some point I wouldn't be able to activate again would I?
Usually get a second activation w/o trouble. After that you have to use the automated phone bit. As long as it's not frequent, it activates every time.

Cheers,
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Old Dec 6, 2009, 01:11 AM   #18
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Mine worked fine off the bat (i7) even before I used the Apple Install disc to install the drivers.
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Old Mar 15, 2010, 07:54 PM   #19
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Sorry to bring this thread back to life as my first post, but I think I may have something new...

No sound, but here's what's happening:

New 27" iMac Ci7 ... took delivery of it about two weeks ago (only unpacked it on March 10th.) Mac-side, everything is amazing... worth every penny. So I wanted XP on bootcamp to run one game and an older version of Photoshop. Once I read the instructions, setting up Boot Camp went pretty smooth (partitioned at 200gig.) Everything seemed to be going great, til I realized I had no sound, like many others.

But here are some things that I think are unique to my situation:
  • All hardware and drivers seemed to install correctly
  • Sound devices show up in device manager with no warnings
  • I've reinstalled and upgraded to the latest versions of Boot Camp and Service Pack 3
  • I've run dxdiag, and I actually GET the sound sample when testing under the 'Music' tab>HD Audio
  • I've installed new Realtek drivers using the above link (and others)
  • I've tried the headphone jack trick found in other threads, no luck
  • Sound does NOT come through a USB nor 1/8" jack headset
  • I've talked with Apple service... they're not sure what's happening
  • My last resort is to start over and re-partition, re-install XP & Boot Camp... which I REALLY don't want to do

Another weird thing: after installing new Realtek drivers the first time, when Windows closed to restart I was teased ever-so-cruelly by hearing the Windows Closing sound (which I had not heard before on other restarts)... only to be disappointed again with no sound upon startup.

Desperate for sound on XP

Stacy
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Old Mar 15, 2010, 08:11 PM   #20
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This is worth a try. Download and install under XP.
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Old Mar 15, 2010, 08:21 PM   #21
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This is worth a try. Download and install under XP.
Did that after running the "Apple Software Update" under XP. No change
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Old Apr 27, 2010, 03:56 AM   #22
mind-notes
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Hi,

this is the Solution wich works for me on Windows XP.

Bye
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Old Apr 27, 2010, 04:03 AM   #23
Shpenza
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Quote:
Originally Posted by JHall651 View Post
Ok so first I would like to say that I had this problem for about a day and looked all over the internet for answer. I found one solution to another and some were down right silly. Just to let everyone know I have an iMac 27 2.8 quad core. I finally worked through the trials and tribulations of actually getting Win7 installed and when it booted up I had no sound. From what I have read online many people are having this problem. A quick way to tell if you are having the same problem I was is if you look at the back of you iMac 27 and notice a red light coming out of your mini jack port. If so this is what you need to do. I went into device management (in windows 7) and uninstalled the two drivers that were under my sound device. After that I inserted the Snow Leopard Disc and I right clicked and Opened it (not run it). Went under the drivers area and loaded the vista64 realtec drivers. After the installation I rebooted and noticed that the red light was no longer on in the back and the sound worked. Hope this works.
Hi There,
I have just installed Windows 7 on bootcamp and this is what i have done and everything is working just fine.
After a finished installing Windows 7, i put in the OS X install disk and ran the bootcamp update installer that it has.
The installer updates all the drivers, chpset, etc....of the iMAC and you reboot, when it came back, sound was ok with keyboard control etc...

If you havent tried it allready, give it a shoot and tell me if it worked.
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Old Apr 27, 2010, 05:00 AM   #24
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Originally Posted by Shpenza View Post
Hi There,
I have just installed Windows 7 on bootcamp and this is what i have done and everything is working just fine.
After a finished installing Windows 7, i put in the OS X install disk and ran the bootcamp update installer that it has.
The installer updates all the drivers, chpset, etc....of the iMAC and you reboot, when it came back, sound was ok with keyboard control etc...

If you havent tried it allready, give it a shoot and tell me if it worked.
Did you then run "Apple Software Update" to download the current BootCamp Driver Vsn 3.1 (found in the Windows 7 programs menu) to ensure all apple drivers are then bank up-to-date? The ones on the disc are the previous version.
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Old Apr 27, 2010, 07:54 AM   #25
Shpenza
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Did you then run "Apple Software Update" to download the current BootCamp Driver Vsn 3.1 (found in the Windows 7 programs menu) to ensure all apple drivers are then bank up-to-date? The ones on the disc are the previous version.
Nope, havent installed any update since i used my OS X install disk.
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