https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339548#M90645 <P>我的电脑（暗影精灵9）在调试MG966舵机的时候，因为没有做隔离，电流超过了电脑USB电流范围，当时电脑直接断开了单片机电源。</P><P>目前电脑两个USB口无法使用，风扇“系统侦测系统散热风扇运作不正常（90B错误）”。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1744471410833.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120387iD597CEEAB3B7371A/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1744471410833.jpeg" alt="_0-1744471410833.jpeg" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_1-1744471421673.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120388i30C0801C357AF448/image-size/medium?v=v2&amp;px=400" role="button" title="_1-1744471421673.jpeg" alt="_1-1744471421673.jpeg" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_3-1744471529252.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120390iA260FB555A607AB9/image-size/medium?v=v2&amp;px=400" role="button" title="_3-1744471529252.jpeg" alt="_3-1744471529252.jpeg" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_2-1744471432188.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120389i31E5912D5079A6F5/image-size/medium?v=v2&amp;px=400" role="button" title="_2-1744471432188.jpeg" alt="_2-1744471432188.jpeg" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 12 Apr 2025 15:27:55 GMT 黎江 2025-04-12T15:27:55Z https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339548#M90645 <P>我的电脑（暗影精灵9）在调试MG966舵机的时候，因为没有做隔离，电流超过了电脑USB电流范围，当时电脑直接断开了单片机电源。</P><P>目前电脑两个USB口无法使用，风扇“系统侦测系统散热风扇运作不正常（90B错误）”。</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_0-1744471410833.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120387iD597CEEAB3B7371A/image-size/medium?v=v2&amp;px=400" role="button" title="_0-1744471410833.jpeg" alt="_0-1744471410833.jpeg" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_1-1744471421673.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120388i30C0801C357AF448/image-size/medium?v=v2&amp;px=400" role="button" title="_1-1744471421673.jpeg" alt="_1-1744471421673.jpeg" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_3-1744471529252.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120390iA260FB555A607AB9/image-size/medium?v=v2&amp;px=400" role="button" title="_3-1744471529252.jpeg" alt="_3-1744471529252.jpeg" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="_2-1744471432188.jpeg" style="width: 400px;"><img src="https://h30471.www3.hp.com/t5/image/serverpage/image-id/120389i31E5912D5079A6F5/image-size/medium?v=v2&amp;px=400" role="button" title="_2-1744471432188.jpeg" alt="_2-1744471432188.jpeg" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Sat, 12 Apr 2025 15:27:55 GMT https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339548#M90645 黎江 2025-04-12T15:27:55Z https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339552#M90646 <P><FONT size="3"><STRONG>暗影精灵9两个USB 3.2的端口，负载功率只有4.75W（5V 950mA），如果外接扩展埠没有自带电源就会造成过载。根据楼主描述的错误，应该送售后检修了。</STRONG></FONT></P> Sun, 13 Apr 2025 00:54:16 GMT https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339552#M90646 潇湘祥云 2025-04-13T00:54:16Z https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339570#M90647 <P>拆下底壳，拆下电池，笔记本放置半个小时，再依次装回去。</P> Sun, 13 Apr 2025 03:33:56 GMT https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339570#M90647 548851818 2025-04-13T03:33:56Z https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339621#M90648 <P><STRONG>1：电脑关机，移除电源适配器和所有外接设备（键盘、鼠标、U盘、移动硬盘、打印机等），按住电源按钮约 30秒后松开，重新连接电源适配器，然后开机测试。</STRONG></P><P><STRONG>2：找一个空的U盘，下载官网BIOS解压缩到U盘内，然后链接到你的机器win+B+开机键长按5秒同时按住试试</STRONG></P><P><STRONG>3：无效带着机器到当地售后检测硬件维修吧</STRONG></P> Sun, 13 Apr 2025 13:43:17 GMT https://h30471.www3.hp.com/t5/you-xi-ben/dian-naoUSB-guo-liu-bao-hu-duan-kou-wu-fa-zheng-chang-shi-yong-feng-shan90B-bao-cuo/m-p/1339621#M90648 一个帅气的大胡子 2025-04-13T13:43:17Z