https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053597#M66474 <UL><LI><SPAN class="lia-link-navigation child-thread lia-link-disabled"><SPAN>&nbsp;</SPAN>HP Prodesk 400 G4台式机接通电源后按开机键无反应，后发现电源键下边的硬盘灯一直亮。打开外壳，拔掉硬盘电源后故障依旧。无法开机，按电源键后无反应，CPU风扇，电源风扇不转。</SPAN></LI></UL> Mon, 02 Nov 2020 03:23:01 GMT allsan 2020-11-02T03:23:01Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053597#M66474 <UL><LI><SPAN class="lia-link-navigation child-thread lia-link-disabled"><SPAN>&nbsp;</SPAN>HP Prodesk 400 G4台式机接通电源后按开机键无反应，后发现电源键下边的硬盘灯一直亮。打开外壳，拔掉硬盘电源后故障依旧。无法开机，按电源键后无反应，CPU风扇，电源风扇不转。</SPAN></LI></UL> Mon, 02 Nov 2020 03:23:01 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053597#M66474 allsan 2020-11-02T03:23:01Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053940#M66484 <P>微信关注惠普服务</P> <P>报修</P> Tue, 03 Nov 2020 03:36:13 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053940#M66484 y2kim 2020-11-03T03:36:13Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053995#M66486 <P>您好</P><P>可以尝试清cmos的操作，或者是扣下主板电池之后再装上，以及重新插拔内存看下是否有变化，有任何问题可以联系惠普服务的微信公众号进行咨询。</P> Tue, 03 Nov 2020 05:50:53 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1053995#M66486 Chen_long 2020-11-03T05:50:53Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1054169#M66491 <P><SPAN>清了主板cmos，主板上内存及所有插头都重新拔插几次，还是无法开机。后来拿同款台式机对调电源后，竟然可以点亮，故障排除，而且换电源后另一台也能正常工作。到底是什么原因？？？</SPAN></P> Wed, 04 Nov 2020 00:57:49 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1054169#M66491 allsan 2020-11-04T00:57:49Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1054176#M66493 <P>能进系统情况下，更新最新BIOS。</P> Wed, 04 Nov 2020 01:40:07 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HP-Prodesk-400-G4tai-shi-ji-wu-fa-kai-ji/m-p/1054176#M66493 y2kim 2020-11-04T01:40:07Z