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    <link type="guide" xref="hardware#problems" group="first"/>
    <link type="next" xref="net-wireless-troubleshooting-initial-check"/>
    

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

    <desc>Identify and fix problems with wireless connections</desc>
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<title>Wireless network troubleshooter</title>

<p>This is a step-by step troubleshooting guide to help you identify and fix wireless problems. If you cannot connect to a wireless network for some reason, try following the instructions here.</p>

<p>We will proceed through the following steps to get your computer connected to the internet:</p>
  <list style="numbered compact">
    <item><p>Thực hiện kiểm tra ban đầu</p></item>
    <item><p>Thu thập thông tin phần cứng của bạn</p></item>
    <item><p>Kiểm tra phần cứng</p></item>
    <item><p>Thử tạo kết nối đến router không dây của bạn</p></item>
    <item><p>Thực hiện kiểm tra modem và router của bạn</p></item>
  </list>
  <p>To get started, click on the <em>Next</em> link at the top right of the page. This link, and others like it on following pages, will take you through each step in the guide.</p>

<note>
 <title>Using the command line</title>
 <p>Some of the instructions in this guide ask you to type commands into the <em>command line</em> (Terminal). You can find the Terminal application in the <gui>Activities</gui> overview.</p>
 <p>If you are not familiar with using a command line, don't worry - this guide will direct you at each step. All you need to remember is that commands are case-sensitive (so you must type them <em>exactly</em> as they appear here), and to press <key>Enter</key> after typing each command to run it.</p>
</note>

</page>
