https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/966864#M28323 <DIV>这种情况，建议将电脑送到惠普授权的服务中心现场检测检查。</DIV><DIV>惠普的产品类型非常多，每家服务中心的服务时间，维修项目不完全相同，建议去之前先电话联系确认是否上班。</DIV><DIV>可以在惠普中国官网页面上方，选择 支持→服务中心位置 查找到服务中心的地址和联系方式。</DIV><P><!-- 5f39ae17-8c62-4a45-bc43-b32064c9388a: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 --></P> Mon, 23 Mar 2020 01:41:29 GMT Chen_long 2020-03-23T01:41:29Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/963539#M27576 <P>外接键盘使用一段时间后黑屏，有时等待20秒左右会恢复正常，有时会一直黑屏，其中有几次黑屏恢复后整体变灰暗</P> Fri, 06 Mar 2020 07:11:59 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/963539#M27576 undead 2020-03-06T07:11:59Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/963554#M27577 <P>“设备管理器”中“通用串行总线控制器”下“Intel USB 3.0可扩展主机控制器”和“USB根集线器”，双击，将电源管理选项卡中的“关闭这个设备以节约电源”项目取消勾选，点确定，重启电脑。</P><P>.</P><P>检查电源计划<BR />系统右下角通知区域中的电源图标，右键点击，打开“电源选项”，将电源计划改为“高性能”。<BR />点击右侧的更改计划设置→更改高级电源设置→USB设置→USB选择性暂停设置都改为已禁用，点确定，重启电脑。<BR />如果只有一个电源计划，左键点击电源图标，将电源模式的滑块拖动到最佳性能。<BR />不要使用鲁大师等软件的电源计划。</P><P>.</P><P>更换其它USB接口测试。</P><P>.</P><P>右键点击开始按钮，打开Windows PowerShell(管理员)。输入<BR />powercfg -h off (注：禁用休眠)<BR />powercfg -setacvalueindex scheme_current sub_sleep 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 0<BR />powercfg -setdcvalueindex scheme_current sub_sleep 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 0<BR />确认没有报错，重启电脑。<BR />如果遇到报错一般是输入错误，重新输入，或者复制粘贴进去。</P><P>&nbsp;</P> Fri, 06 Mar 2020 07:38:15 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/963554#M27577 Chen_long 2020-03-06T07:38:15Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964081#M27702 <P>电源设置问题吧，外接后电源功率供不上去就这样。</P> Mon, 09 Mar 2020 09:43:59 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964081#M27702 竹源居士 2020-03-09T09:43:59Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964085#M27703 所以没别的办法了吗，只能换个键盘？ Mon, 09 Mar 2020 09:48:13 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964085#M27703 undead 2020-03-09T09:48:13Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964086#M27704 没有效果 Mon, 09 Mar 2020 09:48:37 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964086#M27704 undead 2020-03-09T09:48:37Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964104#M27711 <P>如果以上操作无效，可以替换键盘测试，或者中间加一个 USB&nbsp;hub&nbsp;试试。</P> Mon, 09 Mar 2020 11:23:11 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/964104#M27711 Chen_long 2020-03-09T11:23:11Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/966676#M28283 <P>我也遇到相同的问题,&nbsp;我发现有些USB设备接在左上角第二个USB port,&nbsp;靠近电源键的那个上,&nbsp;会导致电脑突然黑屏,&nbsp;有时候能自动恢复有时候不能.&nbsp;有时候恢复之后屏幕整体变灰.&nbsp;目前我遇到鼠标键盘U盘都会导致这个问题发生,&nbsp;其他USB口没有这个问题.&nbsp;请问下现在有解决吗?</P> Sat, 21 Mar 2020 12:32:43 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/966676#M28283 Greetins 2020-03-21T12:32:43Z https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/966864#M28323 <DIV>这种情况，建议将电脑送到惠普授权的服务中心现场检测检查。</DIV><DIV>惠普的产品类型非常多，每家服务中心的服务时间，维修项目不完全相同，建议去之前先电话联系确认是否上班。</DIV><DIV>可以在惠普中国官网页面上方，选择 支持→服务中心位置 查找到服务中心的地址和联系方式。</DIV><P><!-- 5f39ae17-8c62-4a45-bc43-b32064c9388a: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 --></P> Mon, 23 Mar 2020 01:41:29 GMT https://h30471.www3.hp.com/t5/you-xi-ben/guang-ying-jing-ling4wai-jiehpGK100jian-pan-hei-ping/m-p/966864#M28323 Chen_long 2020-03-23T01:41:29Z