https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/979126#M62959 <P>主板电池扣下来再装回去，内存拔插一下看有没有效果。</P> Wed, 27 May 2020 23:56:24 GMT Justisy 2020-05-27T23:56:24Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/978813#M62940 <P>&nbsp; 三年了，突然停了一下电，机器启动不了了。通电&nbsp;风扇狂响，黑屏</P><P>&nbsp; &nbsp;&nbsp;</P> Tue, 26 May 2020 02:30:49 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/978813#M62940 katanalyp 2020-05-26T02:30:49Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/978971#M62950 <P>第一步先排除电源</P><P>将电源模块整个拆出来，单接电源线通电，看风扇是否转，灯是否长亮。否则电源有故障</P><P>&nbsp;</P><P>排除了电源，再清主板CMOS，断电情况下按照纽扣电池旁边黄色CMOS按钮15秒。重新通电开机。</P><P>&nbsp;</P><P>再要最小化，双cpu改单cpu（如果有），单根内存开机。在这个基础上能有画面了，再逐步添加硬件。</P><P>&nbsp;</P><P>另外独立显卡有条件交换也交换测试确认。</P> Wed, 27 May 2020 01:33:08 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/978971#M62950 y2kim 2020-05-27T01:33:08Z https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/979126#M62959 <P>主板电池扣下来再装回去，内存拔插一下看有没有效果。</P> Wed, 27 May 2020 23:56:24 GMT https://h30471.www3.hp.com/t5/tai-shi-dian-nao/HPZ840ting-le-xia-dian-jiu-qi-dong-bu-le-le/m-p/979126#M62959 Justisy 2020-05-27T23:56:24Z