https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359509#M488001 <P>笔记本外接显示器每次开机后都需要重新插拔一下dp线显示屏才会有信号，用的是c口转dp线 插在电脑后面的雷电四接口上</P> Mon, 08 Sep 2025 05:38:27 GMT 我电脑又坏了 2025-09-08T05:38:27Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359509#M488001 <P>笔记本外接显示器每次开机后都需要重新插拔一下dp线显示屏才会有信号，用的是c口转dp线 插在电脑后面的雷电四接口上</P> Mon, 08 Sep 2025 05:38:27 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359509#M488001 我电脑又坏了 2025-09-08T05:38:27Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359510#M488002 <P>可以在出现问题时，查看显示设置，看能否识别到外接显示器。</P> <P>如果无法识别，可以尝试关机断电，拔掉电源和所有外设，按住电源开关至少30秒，松开。接电开机测试。</P> <P>如果问题依旧，可以更新显卡驱动和BIOS到最新版试下。</P> Mon, 08 Sep 2025 05:48:08 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359510#M488002 坏坏的笑 2025-09-08T05:48:08Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359679#M488016 <P>检查显示器自己的设置，</P> <P>比如关闭节能模式。</P> Tue, 09 Sep 2025 06:19:52 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/bi-ji-ben-wai-jie-xian-shi-qi-mei-ci-kai-ji-hou-dou-xian-shi-wu-xin-hao/m-p/1359679#M488016 548851818 2025-09-09T06:19:52Z