gnome-user-guide 3.14.1-1 / usr / share / help / vi / gnome-help / sound-nosound.page

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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="topic" style="problem" id="sound-nosound" xml:lang="vi">

  <info>
    <link type="guide" xref="sound-broken"/>

    <revision pkgversion="3.4.0" date="2012-02-19" status="outdated"/>
    <revision pkgversion="3.13.92" date="2014-09-22" status="review"/>

    <credit type="author">
      <name>Dự án tài liệu GNOME</name>
      <email>gnome-doc-list@gnome.org</email>
    </credit>

    <include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>

    <desc>Check that it is not muted, that cables are plugged in properly, and
    that the sound card is detected.</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Nguyễn Thái Ngọc Duy</mal:name>
      <mal:email>pclouds@gmail.com</mal:email>
      <mal:years>2011-2012.</mal:years>
    </mal:credit>
  </info>

<title>Không nghe được gì từ máy tính</title>

  <p>If you cannot hear any sounds on your computer, for example when you try
  to play music, try these troubleshooting steps to see if you can fix the
  problem.</p>

<section id="mute">
  <title>Bảo đảm tiếng không bị tắt</title>

  <p>Open the <gui xref="shell-terminology">system menu</gui> from the right
  side of the top bar and make sure that the sound is not muted or turned right
  down.</p>

  <p>Một số laptop có công tắt hoặc phím để tắt tiếng. Thử nhấn phím đó xem có khác biệt gì không.</p>

  <p>You should also check that you have not muted the application that you are
  using to play sound (for example, your music player or movie player). The
  application may have a mute or volume button in its main window, so check
  that. Also, open <app>Settings</app> from the <gui>Activities</gui> overview
  and click <gui>Sound</gui>. Go to the <gui>Applications</gui> tab and check
  that your application is not muted.</p>

</section>

<section id="speakers">
 <title>Kiểm tra đã bật loa và nối đúng chưa</title>
 <p>If your computer has external speakers, make sure that they are turned on
 and that the volume is turned up. Make sure that the speaker cable is securely
 plugged into the "output" audio socket on your computer. This socket
 is usually light green in color.</p>

 <p>Một số cạc âm thanh có thể chuyển lỗ ra (sang loa) và vào (từ microphone). Lỗ ra có thể khác khi chạy Linux so với Windows hoặc Mac OS. Thử nối cáp loa sang lỗ khác trên máy tính xem có chạy không.</p>

 <p>Kiểm tra cuối cùng là bảo đảm cắm chắc chắn cáp âm thanh và mặt sau loa. Một số loa có nhiều đầu vào.</p>
</section>

<section id="device">
  <title>Kiểm tra chọn đúng thiết bị loa</title>

  <p>Một số máy tính có cài đặt nhiều "thiết bị âm thanh". Một trong số này có khả năng phát thanh, số còn lại không. Bạn cần kiểm tra bạn chọn đúng thiết bị. Có thể mất một lúc thử-và-sai để chọn đúng.</p>

  <steps>
    <item>
      <p>Open the <gui xref="shell-terminology">Activities</gui> overview and
      start typing <gui>Sound</gui>.</p>
    </item>
    <item>
      <p>Click on <gui>Sound</gui> to open the panel.</p>
    </item>
    <item>
      <p>In the <gui>Output</gui> tab. Make a note of which device and which
      profile are selected (so you can return to the default selections if
      changing them does not work).</p>
    </item>
    <item>
      <p>Với thiết bị đang chọn, thử đổi hồ sơ, phát thử âm thanh sau khi đổi xem có chạy không. Bạn có thể sẽ cẫn thử từng hồ sơ trong danh sách.</p>
    </item>
    <item>
      <p>If that does not work, you might want to try doing the same for any
      other devices that are listed.</p>
    </item>
  </steps>

</section>

<section id="hardware-detected">

 <title>Kiểm tra xem cạc âm thanh có được nhận diện đúng không</title>

  <p>Your sound card may not have been detected properly. If this has happened,
  your computer will think that it is not able to play sound. A possible reason
  for the card not being detected properly is that the drivers for the card are
  not installed. You may need to manually install the drivers for the card.
  How you do this will depend on the card you have.</p>

  <p>You can see what sound card you have by using the <cmd>lspci</cmd> command
  in the Terminal. Go to the <gui>Activities</gui> overview and open a Terminal.
  You may have to run <cmd>lspci</cmd> as
  <link xref="user-admin-explain">superuser</link>; either type
  <cmd>sudo lspci</cmd> and type your password, or type <cmd>su</cmd>, enter
  the <em>root</em> (administrative) password, then type <cmd>lspci</cmd>. See
  if an <em>audio controller</em> or <em>audio device</em> is listed—it should
  have the make and model number of the sound card. <cmd>lspci -v</cmd> will
  show a list with more detailed information.</p>

  <p>You may be able to find and install drivers for your card. It is best to
  ask on support forums (or otherwise) for your Linux distribution for
  instructions.</p>

  <p>If you cannot get drivers for your sound card, you might prefer to buy a
  new sound card. You can get sound cards that can be installed inside the
  computer and external USB sound cards.</p>

</section>

</page>

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