https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885942#M29323 <P>拆掉光驱</P><P>换一块硬盘试试</P> Sat, 04 Aug 2018 09:28:10 GMT 548851818 2018-08-04T09:28:10Z https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885376#M29302 好吧我承认这是一台很老的设备……<BR />昨晚用的好好的，今天早上突然无法开机，在HP的logo停留许久无法引导系统。进入BIOS后做任何修改都无法保存。手动选择 efi 文件后可以进入系统，但是重启后连 HP logo都看不到了，硬盘灯显示橙色，capslock亮两下后断电重启。现在我进一次系统就需要给主板放电一次。<BR />尝试刷写BIOS。在Windows 10下使用官网下载的BIOS刷写工具，提示无法从CAB文件中读取BIOS版本；创建USB驱动器也无法引导，提示invalid system image；使用HP Tools (system diagnostic UEFI)刷写直接提示Failed。实在是束手无策，特地来发帖询问。请问有人能解决我的问题吗qwq Tue, 31 Jul 2018 06:09:27 GMT https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885376#M29302 kirainmoe 2018-07-31T06:09:27Z https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885378#M29303 <P>主板电池换过没。</P> Tue, 31 Jul 2018 06:15:26 GMT https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885378#M29303 WDH 2018-07-31T06:15:26Z https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885379#M29304 没有换过CMOS电池 Tue, 31 Jul 2018 06:16:07 GMT https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885379#M29304 kirainmoe 2018-07-31T06:16:07Z https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885384#M29305 <P>主板可能有硬件故障。</P> Tue, 31 Jul 2018 06:37:31 GMT https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885384#M29305 y2kim 2018-07-31T06:37:31Z https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885942#M29323 <P>拆掉光驱</P><P>换一块硬盘试试</P> Sat, 04 Aug 2018 09:28:10 GMT https://h30471.www3.hp.com/t5/cao-zuo-xi-tong-he-ruan-jian/Probook-4420s-BIOS-gu-zhang-chang-shi-ge-zhong-fang-fa-wu-fa-shua-xinBIOS/m-p/885942#M29323 548851818 2018-08-04T09:28:10Z