https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363764#M488608 <P><SPAN>我的笔记本840 G11 （版本是24H2）通过</SPAN><SPAN>HP USB-C 扩展坞G5连接了显示器，平时使用是盖上笔记本后盖的，用显示器屏幕办公，最近发现显示器屏幕使用一段时间后会黑屏，显示无设备连接，重新插拔一下扩展坞上的DP连接口，就会恢复，我换过DP连接线，还是会出现这个问题，请问是什么问题</SPAN></P> Sat, 11 Oct 2025 06:04:06 GMT 新手小白杨 2025-10-11T06:04:06Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363764#M488608 <P><SPAN>我的笔记本840 G11 （版本是24H2）通过</SPAN><SPAN>HP USB-C 扩展坞G5连接了显示器，平时使用是盖上笔记本后盖的，用显示器屏幕办公，最近发现显示器屏幕使用一段时间后会黑屏，显示无设备连接，重新插拔一下扩展坞上的DP连接口，就会恢复，我换过DP连接线，还是会出现这个问题，请问是什么问题</SPAN></P> Sat, 11 Oct 2025 06:04:06 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363764#M488608 新手小白杨 2025-10-11T06:04:06Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363768#M488609 <P>建议做硬重置</P> <P>电脑关机断电，拔掉电源适配器和外接设备，按住电源开关30秒，松开，接电开机测试。</P> <P>&nbsp;</P> <P>如果问题依旧，使用HPIA工具扫描更新全部驱动和Dock固件</P> <P>&nbsp;</P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>HP Image Assistant (HPIA)会通过网络连接惠普服务器，服务器中有和您机器一样型号的一个样本机的记录。通过分析对比，然后得出您和样本机器的差异，提示需要更新安装或缺少的驱动或软件。</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>HP Image Assistant (HPIA)下载</SPAN></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><A href="https://hpia.hpcloud.hp.com/downloads/hpia/hp-hpia-5.3.2.exe" target="_blank"><SPAN>https://hpia.hpcloud.hp.com/downloads/hpia/hp-hpia-5.3.2.exe</SPAN></A></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>大概过程</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>安装软件后会自动打开，点分析，然后等结果</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>点推荐</SPAN></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1760162864702.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/127373i563FF3BBE313A1D8/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1760162864702.png" alt="_0-1760162864702.png" /></span></P> <P>&nbsp;</P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>然后勾选关键和推荐更新，点蓝色download按钮</SPAN></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_1-1760162864703.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/127372i52BFDADF869E3391/image-size/medium?v=v2&amp;px=400" role="button" title="_1-1760162864703.png" alt="_1-1760162864703.png" /></span></P> <P>&nbsp;</P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>选择提取文件并安装，点蓝色按钮开始</SPAN></P> <P style="margin: 0in; font-family: HPSimplifiedLight; font-size: 12.0pt; color: black;"><SPAN>&nbsp;</SPAN></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_2-1760162864704.png" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/127374iBCD2377B57AE12C1/image-size/medium?v=v2&amp;px=400" role="button" title="_2-1760162864704.png" alt="_2-1760162864704.png" /></span></P> <P>&nbsp;</P> Sat, 11 Oct 2025 06:07:50 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363768#M488609 坏坏的笑 2025-10-11T06:07:50Z https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363775#M488610 <P>好的，我去尝试一下，谢谢</P> Sat, 11 Oct 2025 06:21:48 GMT https://h30471.www3.hp.com/t5/bi-ji-ben-dian-nao/HP-840G11lian-jieUSB-C-kuo-zhan-wu-G5hou-xian-shi-qi-shan-hei-ping/m-p/1363775#M488610 新手小白杨 2025-10-11T06:21:48Z