July 2005
Intermediate to advanced
768 pages
13h 12m
English
Content preview from Apple Training Series: Desktop and Portable Systems, Second Edition
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Sound Out
No Sound From Either Internal or External Speakers
1. | Verify that the volume setting is correct in Sound preferences (Mac OS X) or the Sound control panel (Mac OS 9). |
2. | Verify that the computer is not set to Mute. Press the Mute key on the Apple keyboard. |
3. | Reset parameter random-access memory (PRAM). Press and hold Command-Option-P-R during startup until you hear the startup sound twice. |
4. | Test the computer with known-good headphones. Do you get sound?
Yes: Go to the next step.
No: Replace the main logic board. |
5. | Verify that the speaker cable is connected. |
6. | Replace the speaker assembly. |
7. | Replace the logic board. |
No Sound From Headphones
1. | Verify the issue with known-good headphones. |
2. | Verify that the computer is not set to Mute. ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.