如何修复Mac电脑的声音问题

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共同创作者是 Gonzalo Martinez

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如果Mac电脑的声音出现问题，或选择播放设备时遇到问题，可以考虑使用本文提供的修复方法来解决声音问题，实在解决不了再去苹果的天才吧寻求专业人员的帮助。重新连接播放设备或拔下耳机，再次测试电脑的声音播放功能。你也可以通过重置PRAM来修复各种声音问题。将电脑系统更新到最新版本的OS X系统也可以修复系统故障引起的声音问题。

部分 1
部分 1 的 4:

基本的修复方法

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    有时候简单地重启电脑就可以解决遇到的问题。所以如果遇到任何问题，请先尝试重启电脑。
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    如果音量控制是灰色的，或者耳机插孔处看到红线，请尝试把耳机插拔几次。这样可能能修复出现的声音问题。 [1]
    • 注意：出现这种情况，说明是硬件出现了问题。你可能需要反复尝试来最终确认硬件故障。你需要请专业人士来修理Mac电脑，才能彻底解决硬件问题。
    • 有些用户认为使用苹果自己的耳机能更好地解决遇到的声音问题。
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    有些系统或硬件更新可以修复你遇到的问题。点击苹果菜单，选择“软件更新”，来安装可用的更新。
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    这样会重启电脑的声音控制器： [2]
    • 打开实用程序文件夹里的活动监测器。
    • 找到列表里的“coreaudiod”进程。点击“进程名称”标题，来按字母顺序排列所有进程。
    • 点击“退出进程”按钮。确认后，关闭“coreaudiod”，并自动重启。
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部分 2
部分 2 的 4:

查看设备

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    如果电脑插上了耳机，那么扬声器是不会有声音的。插拔耳机可以帮助切换扬声器，解决声音问题。
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    如果有多个音频设备连接到Mac电脑，那么有可能是没有切换到正确的输入源。
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    这里会列出所有音频输出设备。
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    选择你想要用来播放音频的设备。
    • 如果想要用扬声器播放音频，请选择“内置扬声器”或“数字输出”。
    • 如果想要用连接的电视播放音频，请选择“HDMI”选项。
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    许多外接扬声器有自己的音量控制器。如果关闭或调低了音量，就算选择了正确的设备，也会听不到任何声音。
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部分 3
部分 3 的 4:

重置PRAM

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    重置参数随机存取储存器（PRAM）可以修复各种音量控制和声音输出的问题。重置PRAM会重置设置选项，但不会删除任何数据。
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    继续按住这几个按键，直到重启电脑。
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    接着电脑会正常启动。你会发现这次启动的进程会花费更长时间。
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    调整音量，测试能否听到声音。重置PRAM时可能会重置电脑时间，你可能需要重新更改时间。
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部分 4
部分 4 的 4:

更新到最新版OS X系统

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    OS X Mavericks（10.9）系统会出现很多声音问题，更新到Yosemite（10.10）系统可以修复这些问题。El Capitan (10.11)会修复更多问题。
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    Mac电脑的更新包都是免费的，可以从应用程序商店中下载。
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    如果有可用的更新包，这里会列出来。
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    如果更新部分列出了“El Capitan”系统，请下载它。下载新系统会花费很长时间。
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    按照提示安装系统更新。具体操作并不复杂，而且不会丢失任何文件也不会更改任何设置。
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    完成更新后，返回桌面，测试声音是否正常。 [3]
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小提示

  • 许多MacBook机型都会出现声音硬件故障。遇到这种情况，只能去苹果商店请专业人士进行修理。这种情况多是由逻辑板出现错误而引起的。 [4]
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参考

  1. ↑ http://www.macworld.co.uk/how-to/mac/theres-no-sound-coming-from-my-mac-3504175/
  2. ↑ http://www.imore.com/losing-audio-os-x-mavericks-heres-what-you-can-do-about-it
  3. ↑ http://www.makeuseof.com/tag/sound-advice-fixing-common-mac-audio-problems-os-x/
  4. ↑ https://discussions.apple.com/thread/1736638?start=390&tstart=0

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