Audio problems with an Apple display monitor
July 26, 2011 8:04 AM   Subscribe

The audio keeps vanishing on my Apple display monitor. Please advise.

I have a 27" Apple display monitor, hooked up to a Macbook running 10.6.8. Often -- but not every time -- after the Macbook goes to sleep, audio no longer works on the monitor. If I check under system preferences the option to have sound come out of the display's speakers are no longer there; the settings look as if the Macbook isn't hooked up to anything.

Restarting the computer fixes it... until the next time it goes to sleep. Or the second time. Or sometimes it takes a few days.

I installed the firmware update, but that didn't help.

I took the monitor to the Apple Store but they were unable to reproduce the problem while I was there because of the unpredictability of it.

Apple support has not fixed it. They replaced the monitor's logic board and they had me reset the PRAM, but the problem remains.

I've read countless discussions about this problem on the Apple support forums, but haven't seen any permanent solutions.

If you've run into this and fixed it: how?
posted by The corpse in the library to Computers & Internet (9 answers total)
Could be the cable.
posted by Thorzdad at 9:06 AM on July 26, 2011

This known problem has been going on since they released the thing. I'm afraid I don't have a good suggestion for you, but know that there are many people with this problem still not fixed.

We had two of these at work doing the same thing, and Apple did the same things - replaced logic board, did the firmware update (also perhaps a driver update on the local machines).. still have intermittent sound loss.
posted by bitterkitten at 9:39 AM on July 26, 2011

Response by poster: Are yours hooked up to Macbooks, bitterkitten? And do you have any that don't have this problem? That might help narrow it down.
posted by The corpse in the library at 11:20 AM on July 26, 2011

Did you purchase the display alongside with the MacBook or similar computer, and got the AppleCare for the MacBook? In theory, the AppleCare will cover the computer AND display if they were purchased together. You may want to remind AppleCare support rep of this on the phone, and you may have to show them the invoice / receipt that the display was purchased along with the computer.

Once it is under the omnibus AppleCare warranty, you may be able to convince them to replace the unit outright with a a new display, as apparently audio problems have been problems with the first generation of those LED monitors (checking with my friends who still do Apple hardware service).
posted by mrzarquon at 12:13 PM on July 26, 2011 [1 favorite]

MrZarquon has a valid point. If the unit is covered under AppleCare then Apple may be willing to replace it, and even offer you a newer model if one exists. They couldn't fix my G5 iMac and gave me an Intel iMac under AppleCare since the G5 was discontinued.
posted by Gungho at 1:29 PM on July 26, 2011

Response by poster: Sadly, they were purchased separately.
posted by The corpse in the library at 5:44 PM on July 26, 2011

Response by poster: An update, for anyone else with the same problem: this time someone at the Apple store had me check my Energy Saver settings and make sure that "Put the hard disk(s) to sleep when possible" is not checked. It had been checked, now it isn't, waiting to see how it goes.
posted by The corpse in the library at 5:14 PM on August 8, 2011

Response by poster: And an update to that update: that didn't fix it. RAR.
posted by The corpse in the library at 8:14 AM on August 9, 2011

Best answer: Updated update update: it's my computer, not the monitor. White MacBooks don't do audio through the (mumble) port. I could hook speakers up through the headphone port, but that's it. Apple took the monitor back and gave me store credit.

The moral of this story: if you have a white MacBook, do not buy the Cinema Display if you need sound.
posted by The corpse in the library at 11:49 AM on August 13, 2011

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