https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120773#M70215 <P>一体机忽然不能开机，每次都是3长4短的鸣叫。看网上搜索 说是电源问题，那一体机的电源是可以更换的？还是直接换主板？</P> Tue, 12 Oct 2021 08:44:38 GMT Sting2021 2021-10-12T08:44:38Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120773#M70215 <P>一体机忽然不能开机，每次都是3长4短的鸣叫。看网上搜索 说是电源问题，那一体机的电源是可以更换的？还是直接换主板？</P> Tue, 12 Oct 2021 08:44:38 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120773#M70215 Sting2021 2021-10-12T08:44:38Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120800#M70219 <P>proone 400 是外部电源</P> <P>即使是内部电源也可以换</P> <P>&nbsp;</P> <P><A href="http://h10032.www1.hp.com/ctg/Manual/c04855789.pdf" target="_blank">User Guide (hp.com)</A></P> Tue, 12 Oct 2021 09:19:14 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120800#M70219 y2kim 2021-10-12T09:19:14Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120896#M70223 <P>因为是公司电脑，我更换了同型号其他机器的外部电源，依然是三长四短的鸣叫，那是不是就不是电源的问题了？那是哪里出了问题？</P> Wed, 13 Oct 2021 00:46:24 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120896#M70223 Sting2021 2021-10-13T00:46:24Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120920#M70225 <P>替换内存 给主板放电看一下</P> Wed, 13 Oct 2021 02:24:08 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/yi-ti-ji-kai-ji-shi-bai-san-zhang-si-duan-ming-jiao/m-p/1120920#M70225 Chen_long 2021-10-13T02:24:08Z