G5 iMac - No Sound In

journey · journey #1 (**permalink**)

01-17-2012, 04:17 PM

Hello to all and thanks in advance...

I have a G5 iMac 2.0 GHz Intel machine and I recently replaced my hardrive with this:

Newegg.com - Western Digital AV-GP WD5000AVDS 500GB 32MB Cache SATA 3.0Gb/s 3.5" Internal AV Hard Drive -Bare Drive

Ever since I havent gotten any sound out of my built in mic.

I have double checked all the system prefs to make sure something isnt muted etc.

I initially thought I forgot to re-connect the internal so I checked that and still no luck.

Then I thought I broke the internal mic somehow and bought an 1/8" mic from Radio Shack thinking this would surely solve my issue but when it is plugged in I get NO sound from the 'line-in/built-in input'

Hard restart didnt work either.

Any ideas ladies and gents?

rabbitjetta · rabbitjetta #2 (**permalink**)

01-17-2012, 09:37 PM

Try a PMU reset. Resetting the iMac (Flat Panel) Power Management Unit (PMU)

rabbitjetta · rabbitjetta #3 (**permalink**)

01-17-2012, 09:37 PM

There is no such thing as a G5 imac 2.0 ghz intel also.

journey · journey #4 (**permalink**)

01-18-2012, 01:29 AM

Thanks for the reply rabbit.

I got my G5 tag from this support article which is perhaps out of date:
How to identify your iMac

To further clarify...my iMac is one of the first iMac's with the silver bezel from roughly 2007-2008.

I might be misinformed but does this generation do the PMU reset internally like the older models? The info Ive found suggests its all external?

Intel-based Macs: Resetting the System Management Controller (SMC)

I followed the advice of the above article and also did a PRAM again with no success in either case.

Any other tricks out there to bring the noise back?

journey · journey #5 (**permalink**)

01-20-2012, 05:37 PM

Any other ideas of brilliance out there?

Is it possible when installing a new hard drive to switch on of those three wires coming from the harddrive incorrectly causing the sound to quit?

Thanks for your time.

journey · journey #6 (**permalink**)

02-28-2012, 08:12 PM

Ill give this one more shot to see if anyone has any more ideas but today I installed a new microphone thinking that somehow I had broken it taking the case apart.

While the case was open, I took a closer look at the mic wire routing to see if perhaps it come unplugged in the case but I dont see any obvious disconnections.

After a new mic, smc reset, the mic still has no response.

ANY IDEAS would be very appreciated.

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journey #1 (permalink)
Member Since: Jan 17, 2012 Posts: 4	01-17-2012, 04:17 PM Hello to all and thanks in advance... I have a G5 iMac 2.0 GHz Intel machine and I recently replaced my hardrive with this: Newegg.com - Western Digital AV-GP WD5000AVDS 500GB 32MB Cache SATA 3.0Gb/s 3.5" Internal AV Hard Drive -Bare Drive Ever since I havent gotten any sound out of my built in mic. I have double checked all the system prefs to make sure something isnt muted etc. I initially thought I forgot to re-connect the internal so I checked that and still no luck. Then I thought I broke the internal mic somehow and bought an 1/8" mic from Radio Shack thinking this would surely solve my issue but when it is plugged in I get NO sound from the 'line-in/built-in input' Hard restart didnt work either. Any ideas ladies and gents?
	QUOTE Thanks

rabbitjetta #2 (permalink)
Member Since: Nov 08, 2010 Location: Indiana Posts: 879 Mac Specs: 13" Retina Pro, iPhone 5, iPad 4, iPod touch 3-5, iMac 27	01-17-2012, 09:37 PM Try a PMU reset. Resetting the iMac (Flat Panel) Power Management Unit (PMU)
	QUOTE Thanks

journey #4 (permalink)
Member Since: Jan 17, 2012 Posts: 4	01-18-2012, 01:29 AM Thanks for the reply rabbit. I got my G5 tag from this support article which is perhaps out of date: How to identify your iMac To further clarify...my iMac is one of the first iMac's with the silver bezel from roughly 2007-2008. I might be misinformed but does this generation do the PMU reset internally like the older models? The info Ive found suggests its all external? Intel-based Macs: Resetting the System Management Controller (SMC) I followed the advice of the above article and also did a PRAM again with no success in either case. Any other tricks out there to bring the noise back?
	QUOTE Thanks

journey #5 (permalink)
Member Since: Jan 17, 2012 Posts: 4	01-20-2012, 05:37 PM Any other ideas of brilliance out there? Is it possible when installing a new hard drive to switch on of those three wires coming from the harddrive incorrectly causing the sound to quit? Thanks for your time.
	QUOTE Thanks

journey #6 (permalink)
Member Since: Jan 17, 2012 Posts: 4	02-28-2012, 08:12 PM Ill give this one more shot to see if anyone has any more ideas but today I installed a new microphone thinking that somehow I had broken it taking the case apart. While the case was open, I took a closer look at the mic wire routing to see if perhaps it come unplugged in the case but I dont see any obvious disconnections. After a new mic, smc reset, the mic still has no response. ANY IDEAS would be very appreciated.
	QUOTE Thanks

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