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    <link>https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/zen-me-tui-hui-yu-zhuang-xi-tong/m-p/1189304#M453109</link>
    <description>&lt;P&gt;电脑是预装家庭版，通过密钥升级为了专业版，请问如何退回预装系统，我重置电脑也不行，还是专业版&lt;/P&gt;</description>
    <pubDate>Wed, 28 Sep 2022 03:18:29 GMT</pubDate>
    <dc:creator>小不点丶</dc:creator>
    <dc:date>2022-09-28T03:18:29Z</dc:date>
    <item>
      <title>怎么退回预装系统</title>
      <link>https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/zen-me-tui-hui-yu-zhuang-xi-tong/m-p/1189304#M453109</link>
      <description>&lt;P&gt;电脑是预装家庭版，通过密钥升级为了专业版，请问如何退回预装系统，我重置电脑也不行，还是专业版&lt;/P&gt;</description>
      <pubDate>Wed, 28 Sep 2022 03:18:29 GMT</pubDate>
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      <dc:creator>小不点丶</dc:creator>
      <dc:date>2022-09-28T03:18:29Z</dc:date>
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      <title>回复： 怎么退回预装系统</title>
      <link>https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/zen-me-tui-hui-yu-zhuang-xi-tong/m-p/1189307#M453110</link>
      <description>&lt;P&gt;您好，您可以参考这篇&lt;A href="https://h30471.www3.hp.com/t5/you-xi-ben/ji-shu-xiao-ke-tang-ru-he-zhi-zuo-xi-tong-qi-dongU-pan-zhong-zhuangwindows-xi-tong/td-p/1164248" target="_blank" rel="noopener"&gt;重装文章&lt;/A&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;安装家庭版系统后，联网自动激活。&lt;/P&gt;</description>
      <pubDate>Wed, 28 Sep 2022 03:31:13 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/zen-me-tui-hui-yu-zhuang-xi-tong/m-p/1189307#M453110</guid>
      <dc:creator>SongShuo</dc:creator>
      <dc:date>2022-09-28T03:31:13Z</dc:date>
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