USB键盘鼠标间歇性失灵是什么原因？怎么办？

[[{"txt": "USB\u63a5\u53e3\u7684\u952e\u76d8\u9f20\u6807\u95f4\u6b47\u6027\u5931\u7075 \u591a\u534a\u662fUSB\u63a5\u53e3\u4f9b\u7535\u4e0d\u8db3\u5f15\u8d77\u7684\uff0c\u5e94\u8be5\u600e\u4e48\u89e3\u51b3\u5462 \u63a5\u4e0b\u6765\u544a\u8bc9\u5927\u5bb6\uff01"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u53f3\u51fb\u6211\u7684\u7535\u8111\uff0c\u9009\u62e9\u5c5e\u6027\uff0c\u8fdb\u5165\u5982\u4e0b\u754c\u9762"}, {"img": ["https://exp-picture.cdn.bcebos.com/3761a73acd8920c5e020ce86568a59de44078886.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u70b9\u51fb\u8bbe\u5907\u7ba1\u7406\u5668\uff0c\u5982\u4e0b\u56fe"}, {"img": ["https://exp-picture.cdn.bcebos.com/589f5b0788013870186e7c3f2d08a50f95fc8386.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u9009\u62e9\u901a\u7528\u4e32\u884c\u63a7\u5236\u5668\uff0c\u5982\u4e0b\u56fe"}, {"img": ["https://exp-picture.cdn.bcebos.com/c6b994775ddd884c3d6569946cef28066a01f686.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u53f3\u51fbUSB root hub \u9009\u62e9\u5c5e\u6027 \u5982\u4e0b\u56fe"}, {"img": ["https://exp-picture.cdn.bcebos.com/939c2d40b6f39187e233df7324fce186252fef86.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u9009\u62e9\u7535\u6e90\u7ba1\u7406"}, {"img": ["https://exp-picture.cdn.bcebos.com/025d87c0affce186c100eec11f1fbee435daeb86.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5c06\u201c\u8ba1\u7b97\u673a\u5141\u8bb8\u6b64\u8bbe\u5907\u5173\u95ed\u4ee5\u8282\u7ea6\u7535\u6e90\u201d\u5173\u95ed"}, {"img": ["https://exp-picture.cdn.bcebos.com/a9338a1fbee434da1a710c90f271fe1d97d8e486.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5c06\u6240\u6709USB root hub\u7684\u6b64\u9009\u9879\u5173\u95ed"}, {"img": ["https://exp-picture.cdn.bcebos.com/979906196120a7cdfe41bd4189b375d7987bdc86.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u5b8c\u6210\u540e\u91cd\u542f\u5373\u53ef"}]]