https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144213#M71685 <P>电源单独拆出来，直接接电源线，如果不持续运作，电源就是故障的。</P> Sat, 12 Feb 2022 11:09:33 GMT y2kim 2022-02-12T11:09:33Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144201#M71684 <P>一台自用z820，头天正常使用，第二天出现无法开机故障，开机半天出现hp logo后就重启，反复如此，去掉光驱，硬盘后依然无法启动。清除cmos后也依旧。不知道是不是主板坏了，能不能维修？</P> Sat, 12 Feb 2022 08:40:05 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144201#M71684 yinhunbusan2008 2022-02-12T08:40:05Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144213#M71685 <P>电源单独拆出来，直接接电源线，如果不持续运作，电源就是故障的。</P> Sat, 12 Feb 2022 11:09:33 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144213#M71685 y2kim 2022-02-12T11:09:33Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144223#M71687 <P>谢谢，我试试看。</P> Sat, 12 Feb 2022 12:39:52 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144223#M71687 yinhunbusan2008 2022-02-12T12:39:52Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144226#M71688 <P>请问你说的方法是指把电源单独拿下来，插上电源线么？还是电源拿掉后直接给主机通电？能不能再详细说说怎么操作。谢谢。</P> Sat, 12 Feb 2022 12:57:53 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144226#M71688 yinhunbusan2008 2022-02-12T12:57:53Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144228#M71689 <P>电源是一个大模块</P> <P>&nbsp;</P> <P>拆出来单独接电源线看现象，就这么简单</P> Sat, 12 Feb 2022 13:21:43 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144228#M71689 y2kim 2022-02-12T13:21:43Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144230#M71690 <P>好的， 我回头试试的。谢谢指点</P> Sat, 12 Feb 2022 13:41:35 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1144230#M71690 yinhunbusan2008 2022-02-12T13:41:35Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1366231#M82659 <P>主机通电后有时候进入桌面几分钟后重启，有时候没进到桌面也会重启；电源模块拆出来，连结电源线，电源模块绿色指示灯亮，风扇工作正常，测试半个小时，未发现异常；求解决办法或者产生故障的原因</P> Mon, 27 Oct 2025 02:54:59 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1366231#M82659 ssyycm 2025-10-27T02:54:59Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1366679#M82686 <P>请问您的问题解决了吗？我的主机前几天也出现反复重启，不知是哪里的原因？</P> Wed, 29 Oct 2025 11:02:13 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/Z820gong-zuo-zhan-tu-ran-chu-xian-wu-fa-kai-ji-gu-zhang/m-p/1366679#M82686 ssyycm 2025-10-29T11:02:13Z