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    <title>该主题</title>
    <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1155680#M72308</link>
    <description>&lt;P&gt;安装系统默认使用了MBR文件系统，计划在BIOS里更改重装，结果无法开机，也没有任何显示，拔掉电源扣电池或按边上的键放电（长按30s左右）也没效果，故障现象一直存在。请问该如何解决？&lt;/P&gt;</description>
    <pubDate>Thu, 07 Apr 2022 07:36:49 GMT</pubDate>
    <dc:creator>jiezougan</dc:creator>
    <dc:date>2022-04-07T07:36:49Z</dc:date>
    <item>
      <title>HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1155680#M72308</link>
      <description>&lt;P&gt;安装系统默认使用了MBR文件系统，计划在BIOS里更改重装，结果无法开机，也没有任何显示，拔掉电源扣电池或按边上的键放电（长按30s左右）也没效果，故障现象一直存在。请问该如何解决？&lt;/P&gt;</description>
      <pubDate>Thu, 07 Apr 2022 07:36:49 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1155680#M72308</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2022-04-07T07:36:49Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1156311#M72347</link>
      <description>&lt;P style="margin-top: 15pt; margin-bottom: 15pt; font-size: 11.0pt;"&gt;&lt;A href="https://support.hp.com/cn-zh/document/ish_2898529-2619179-16" target="_blank"&gt;&lt;SPAN&gt;HP &lt;/SPAN&gt;&lt;SPAN&gt;台式电脑&lt;/SPAN&gt;&lt;SPAN&gt; - &lt;/SPAN&gt;&lt;SPAN&gt;电脑无法启动并出现&lt;/SPAN&gt;&lt;SPAN&gt; LED &lt;/SPAN&gt;&lt;SPAN&gt;或蜂鸣代码&lt;/SPAN&gt;&lt;SPAN&gt; | HP&lt;/SPAN&gt;&lt;SPAN&gt;®&lt;/SPAN&gt;&lt;SPAN&gt;客户支持&lt;/SPAN&gt;&lt;/A&gt;&lt;/P&gt;
&lt;P style="margin: 0in; font-family: 'HP Simplified Hans Light'; font-size: 11.0pt;"&gt;HP 电脑 - 安全启动（Windows 10）&lt;/P&gt;
&lt;P style="margin: 0in; font-family: 'HP Simplified Hans Light'; font-size: 11.0pt;"&gt;&lt;A href="https://support.hp.com/cn-zh/document/c04899771" target="_blank"&gt;https://support.hp.com/cn-zh/document/c04899771&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 11 Apr 2022 04:41:20 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1156311#M72347</guid>
      <dc:creator>y2kim</dc:creator>
      <dc:date>2022-04-11T04:41:20Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158404#M72469</link>
      <description>&lt;P&gt;您好！感谢您的回复，在您给的链接中，看到关于蜂鸣的解释都是包含长响，并没有只是短响的说明。而且我是把两个HP带的恢复分区给删除的。&lt;/P&gt;</description>
      <pubDate>Thu, 21 Apr 2022 01:05:16 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158404#M72469</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2022-04-21T01:05:16Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158408#M72470</link>
      <description>&lt;P&gt;断开所有存储，硬盘 光驱 U盘&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;仅主板 内存 CPU 显卡（如果没核显）&lt;/P&gt;
&lt;P&gt;最小化开机&lt;/P&gt;</description>
      <pubDate>Thu, 21 Apr 2022 01:13:43 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158408#M72470</guid>
      <dc:creator>y2kim</dc:creator>
      <dc:date>2022-04-21T01:13:43Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158535#M72476</link>
      <description>&lt;P&gt;您好！断开硬盘也是一样现象，再断开显卡也是一样，拔掉1根内存或更换位置也一样。没接其他了，就声CPU和内存，CPU风扇能正常转。&lt;/P&gt;</description>
      <pubDate>Thu, 21 Apr 2022 07:29:05 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158535#M72476</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2022-04-21T07:29:05Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158536#M72477</link>
      <description>&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://h30471.www3.hp.com/t5/user/viewprofilepage/user-id/226435"&gt;@jiezougan&lt;/a&gt;&amp;nbsp; 已写:&lt;BR /&gt;
&lt;P&gt;您好！断开硬盘也是一样现象，再断开显卡也是一样，拔掉1根内存或更换位置也一样。没接其他了，就声CPU和内存，CPU风扇能正常转。&lt;/P&gt;
&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;
&lt;P&gt;最小化开机失败接下来就是替换法了&lt;/P&gt;</description>
      <pubDate>Thu, 21 Apr 2022 07:30:21 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1158536#M72477</guid>
      <dc:creator>y2kim</dc:creator>
      <dc:date>2022-04-21T07:30:21Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343834#M81589</link>
      <description>&lt;P&gt;不是其他内存等问题，就是因为更改了BIOS设置后造成的，最近又出现了一台这样现象的，同样是更改BIOS设置后出现，但目前重置BIOS也没用，硬盘恢复分区等都被删掉了的。&lt;/P&gt;</description>
      <pubDate>Tue, 13 May 2025 07:36:13 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343834#M81589</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2025-05-13T07:36:13Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343840#M81590</link>
      <description>&lt;P&gt;就是按开机后很快响2声，无任何显示，CPU风扇会持续运转。&lt;/P&gt;</description>
      <pubDate>Tue, 13 May 2025 07:58:51 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343840#M81590</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2025-05-13T07:58:51Z</dc:date>
    </item>
    <item>
      <title>回复： HP z240 更改BIOS后开机无显示（2声短响）</title>
      <link>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343851#M81591</link>
      <description>&lt;P&gt;我已解决此问题，我用另一台装好系统的硬盘（GPT分区）装到此电脑，开机还是2声短响并黑屏，然后我按F10屏幕出现错误提示，大概意思是：已请求更改此系统的安全启动配置，这可能会影响安全引导密钥/或可能禁用安全引导，请输入一下授权号码。按提示输完号码后，正常进入系统。然后我换回原硬盘（MBR分区）也能正常进入系统。可能实际上不需要更换硬盘来操作，开机无法启动黑屏情况下，按F10也能有效，这个以后找机会再测试。&lt;/P&gt;</description>
      <pubDate>Tue, 13 May 2025 09:22:13 GMT</pubDate>
      <guid>https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-z240-geng-gaiBIOS-hou-kai-ji-wu-xian-shi-2sheng-duan-xiang/m-p/1343851#M81591</guid>
      <dc:creator>jiezougan</dc:creator>
      <dc:date>2025-05-13T09:22:13Z</dc:date>
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