MacBook need to add output sound

Hi I have an Macbook 10.4.10 and the output is not working. In the System preferences, the device is digital out...Built-in output. But it says the selected output has no out put controls. What is up? I have no sound and the volume control will not work at the top of monitor or on volume bottons.
:)Sara

Is it possible to use these system discs to install on a new drive, for this macbook if I upgrade my iMac to 10.6?
No. The system discs that shipped with your iMac will only work on that model of iMac and will not install on your sister's MacBook.
However, she can do one of two things: 1, call AppleCare and request replacement system discs (she will need her Mac's serial number) or 2, buy Snow Leopard for herself and install it on her new hard drive. If she does 2, she will need to purchase the iLife applications (iPhoto, etc.) separately, so I recommend 1.

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Solved!
Go to Solution.
Attachments:
LabVIEWSynth.vi ‏94 KB

OK. You have several problems.
The cluster order in your Format cluster is Rate, Bits, Channels while the order in the "sound format" cluster on Sound Output Configure.vi is sample rate (S/s), number of channels, bits per sample. LabVIEW connects clusters according to the cluster order. How to avoid this: Pop up on the sound format conpane terminal on the Sound Output Configure.vi icon on the block diagram and choose Create Control. That will put a control with the same names and cluster order on the front panel. You can edit the names if you wish as long as you do not change the cluster order. The alternate is to Unbundle the data from your cluster control and then bundle it to the input cluster. I show this in the modification of your VI attached.
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Lynn
Attachments:
LabVIEWSynth.2.vi ‏89 KB

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Message was edited by: Angela Zou

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MacBook need to add output sound

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