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191问答库 > acer 5750G 本本USB2.0键鼠突然失灵,但是USB3.0能用,怎么回事?

acer 5750G 本本USB2.0键鼠突然失灵,但是USB3.0能用,怎么回事?

2025-03-15 12:30:51

推荐回答（1个）

回答1：

不知道是进系统认不出还是开机就认不出，如果开机就认不出，进入bios，确认支持usb键鼠处于开启状态，如果是开机能认出，但进入系统后，无效，那么把键鼠拔了再插，还不行换个地方插，再不行换个鼠标键盘插，还是不行趁三包期换主板
另外初次插入的usb键鼠最好不要插主板上引出到前面板或后挡板上的接口，而是插主板背后原来的接口，否则第一次插入认不出来是大概率！

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