设备管理器里没有网络适配器怎么回事?

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  最近有用户在查看设备管理器的时候发现找不到网络适配器了,这是怎么回事?小编认为应该是没有安装驱动,或者是路由器的问题。只要安装或者更新驱动,排除硬件故障就可以解决问题。

  电脑设备管理器中没有网络适配器,原因一般有四个:

  一、网卡驱动没有安装

  解决方法:

  重新安装对应的网卡驱动程序。

  1、右键【开始】,选择【设备管理器】。

  2、找到【网络适配器】,展开,选择当前网卡鼠标右键单击,

  可以选择【更新驱动程序】,

  或者先【禁用设备】然后再【启用设备】,

  也可以选择【属性】。

  3、选择【属性】之后点击【驱动程序】选项卡,选择【更新驱动陈程序】。

  4、可以选择【自动搜索更新驱动程序】,也可以选择【浏览计算机查找驱动程序】。

  二、网卡损坏

  解决方法:

  在PCI插槽上安装独立网卡。

  三、电脑系统配置问题

  解决方法:

  (1)重置网络:

  1、在桌面按【win】+【R】输入【CMD】点击【确定】打开【命令提示符】窗口,一定要在管理员权限下打开。

  2、输入【netsh winsock reset】,稍后,会有成功的提示【成功地重置Winsock目录/重启计算机完成重置】。

  (2)IP地址和DNS识别问题:

  1、可打开电脑【控制面板】,点击【网络连接】,选择【本地连接】。

  2、右键点击【本地连接】图标后选【属性】。

  3、在【常规】选项卡中双击【Internet协议 (TCP/IP)】,选择【使用下面的IP地址】,在IP地址中填写【192.168.0.1】,在子网掩码中填写【255.255.255.0】,其他不用填写,然后点【确定】即可。

  PS:需要注意的是,IP一定要保证和Modem的IP地址处于同一网段。

  如果是无线网络,可点桌面任务栏上网络图标,打开网络与共享中心,点本地连接,点属性,双击IPV4,把IP地址和DNS设置为自动获取。

  如经自助排障后还是无法正常上网,建议可联系归属地人工客服报障处理。

  四、路由器问题

  解决方法:

  (1)查看路由器灯是否正常,如果是光猫,一般除了LOS灯不亮外,其他灯是亮的。可关闭路由器和猫电源,过5分钟后再重新打开。

  (2)如光猫灯出现异常情况,可查看光猫光接口是否有问题,室内尾纤连接光猫接头是否松脱,把接头插好即可恢复;室内部分光纤弯折过大。光纤弯折过度会影响光信号在光纤内光的全反射传输,只要把光纤顺直即可;室外部分光纤有折断或机房设备光端口故障,需要联系工作人员进行报障处理。

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