A computer connected to a port access switches, with the good, the computer suddenly no network, computer network icon in the lower-right corner of the window shows the yellow exclamation mark, after screening, found that is the problem that the switch of the port, but other computers connected to the switch port is no problem, you great god what excuse me?

CodePudding user response:

This is generally the MAC address of the gateway lost or DHCP IP failure, IP address into a 169.254 xx, xx, check the MAC address cache or ipconfig/all

CodePudding user response:

Use DHCP, IP addresses are manually, I plugged into a switch port, there is no problem