Macbook Sounded Muted on 30 Machines
I work at a high school where we use active directory and macbooks with 10.6.8. A few days ago about 30+ machines sound stoped working. We have tried SMC rest, PRAM rest, restarting, uninstalling applications, drivers, sound preferences files. Something is blocking the sound we use Casper invetory systems for managment with our own custom images for the computers. Never have had this problem before and one day their sound all works by then the next day it doesn't. What could be doing this? I have tried all of the steps listed in the support forms here.
Peter Payne wrote:
feel free to comment with your own experiences.
Ok. But, what have you solved?
First off, the 'huge problems' that you mention pertain to the Apple mini-DisplayPort to Dual Link DVI adapter. There's nothing 'bizarre' about that adapter - it allows you to connect a display requiring a dual-link DVI (i.e. up to 2560x1600) to your MBP. Those issues were not really that common (judging frequency of problems by reading these forums is like judging human health by visiting an Emergency Room - you'd think most of the population was sick or injured). If you went by forum problem reports, you'd never buy any product.
More importantly, the _cable you linked above is an entirely different product_, a mini-DisplayPort to DisplayPort cable. It has nothing to do with DVI (note that Apple doesn't even make a mini-Dp to DP cable). If your display has a DisplayPort input (as the Dell 30" does) then it's fine. If your display has only DVI input (such as the Apple 30" Cinema Display), the cable you link is useless.
But, although I find it utterly unsurprising that a mini-DP to DP cable will allow one to connect a mini-DP port on a computer to a DP port on a display, good to know that in that instance, the dirt cheap cable from Monoprice does the job.
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