如何解决Windows电脑没有声音的问题

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共同创作者是 Kevin Burnett

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没有什么事情比电脑没有声音更让人郁闷了。硬件和软件上的各种问题故障都能够导致电脑失去声音。当您检查完设备的物理连接后，你可以使用系统内置的故障修复工具来尝试找到问题所在。如果故障修复程序无法解决问题，那么您可以手动安装新的音频硬件驱动器。

部分 1
部分 1 的 5:

检查连接

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    Windows系统的声音图标很小，所以很难直接看到是否被设为静音。点击状态栏里的声音图标，然后会弹出一个小框，点击扬声器按钮来关闭静音模式。 [1]
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    接触不良或连接不当时引起没有声音的常见原因之一，也是最好修复解决的问题。确保你的扬声器或耳机完全插入插孔，并确保数据线和连接装置完好无损。
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    确保你的扬声器连接到计算机后面的正确的端口中。一般来说，绿色的端口是外接扬声器最常用的端口，而橙色和黑色端口则用于连接环绕立体声系统和低音喇叭。粉色的端口对应麦克风连接。
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    许多扬声器需要接入电源并打开开关才能工作。查看扬声器上的音量控制区，并确保音量调节到能够让人听见的水平。
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部分 2
部分 2 的 5:

选择正确的扬声器

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    如果你接入多个扬声器（如耳机、扬声器、电视），那么你可能选择了错误的输出设备。你可以在这个菜单中选择你的播放设备。
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    连接的设备的图标下方会出现“就绪”字样。如果端口没有连入任何设备，则会显示“未插入”字样。目前默认选择的设备图标上会出现绿色的对勾。
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    这会将你选择的设备设置为计算机音频输出设备。再次播放音频看是否能听到声音。
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部分 3
部分 3 的 5:

使用Windows故障修复工具

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    Windows系统有一个故障修复程序，能够检测和修复各种硬件问题，包括计算机音频问题。
    • 你可以在开始菜单中找到控制面板。如果你使用Windows 8系统，右键点击开始按钮，选择“控制面板”。
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    具体哪个选项取决于控制面板的浏览设置。
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    这会打开播放音频的故障修复工具。
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    故障修复工具会罗列出计算机上所有可用的各种输出装置。选择有问题的设备，并点击 下一步 。
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/6\/63\/Resolve-No-Sound-on-Windows-Computer-Step-12.jpg\/v4-460px-Resolve-No-Sound-on-Windows-Computer-Step-12.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/63\/Resolve-No-Sound-on-Windows-Computer-Step-12.jpg\/v4-728px-Resolve-No-Sound-on-Windows-Computer-Step-12.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
    程序会扫描你的系统设置，并找到音频故障。任何错误都能被修复工具自动修复，并发送一个报告，其中列出修复过程中做出哪些更改。 [2]
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部分 4
部分 4 的 5:

重新安装音频驱动器

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    设备管理器是一个Windows实用程序，允许你查看和管理所有已经安装的硬件设备。出现故障的设备会被标记出来，允许你快速精确的找到硬件故障。 [3]
    • 按下 Win + R 按键，输入 devmgmt.msc 来快速启动设备管理器。
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    双击你的音频设备。如果你的音频设备没有正常工作，那么图标上会有一个小“！”或“？”符号。
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    选择“自动搜索更新的驱动程序软件”，来让Windows在线搜索正确的驱动器。如果找到驱动器，那么就能自动下载和安装它们。如果Windows系统无法找到任何更新项，继续阅读下文。
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    如果设备管理器没有列出设备名称，那么你可以使用设备硬件ID来找到型号和制造商。点击设备属性窗口中的 详细信息 选项卡。从下拉菜单中选择“硬件 Id”。你会在对话框中看到一个或多个条目信息。右键点击最上方的一条，选择“复制”。在网页搜索栏中粘贴，找到音频设备型号。
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    访问制造商技术支持网页，在搜索栏中输入设备型号。接着会列出设备的下载列表。下方列出了常用的音频设备制造商的技术支持页面：
    • 瑞昱- realtek.com.tw/downloads/
    • Creative创新 - support.creative.com/welcome.aspx
    • 罗技- support.logitech.com/
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    有些驱动程序会自带安装程序，而其他驱动程序打包成ZIP或INF格式文件包中。如果有个多个选项，下载符合你Windows系统版本的驱动程序。
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    如果驱动程序自带安装程序，运行安装程序，并按照向导进行操作。这会自动为你安装驱动程序。安装后需要重新启动你的计算机。
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    如果你的驱动程序打包成ZIP或INF格式文件包，那么你需要通过设备管理器手动安装它。
    • 双击文件，选择“解压”来解压ZIP文件。
    • 打开设备管理器，双击音频设备。
    • 点击 驱动程序 选项卡，点击 更新驱动程序 按钮。
    • 选择“浏览我的计算机中驱动程序软件”，选择INF文件，它可能是从ZIP文件中下载解压而来的。安装文件后重启你的电脑。
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部分 5
部分 5 的 5:

修改权限

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    Windows7系统中有一个奇怪的错误，会导致你的计算机不再授权给任何程序访问你的音频设备。这会阻止音频的播放。对此，最快捷的修复方法是在命令提示符中运行几个命令。注意，这个方法会让你的计算机变得不那么安全，最好能够完全重装Windows系统。
    • 点击开始按钮，右键点击命令提示符，选择“以管理员身份运行”。如果你是使用的是Windows 8，那么右键点击开始按钮，选择“命令提示符（管理员）”。
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    尝试播放音频来查看是否成功修复故障。如果没有，你可能需要完全重新安装Windows系统。 [4]
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参考

  1. ↑ http://support.hp.com/us-en/document/c01884922
  2. ↑ http://www.thewindowsclub.com/no-sound-on-windows-8-7
  3. ↑ http://windows.microsoft.com/en-us/windows/no-sound-help#no-sound=windows-8&v1h=win8tab4&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1
  4. ↑ http://www.pcgamer.com/the-most-frustrating-windows-7-audio-problem-solved/

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