Are the gateways normal? Can I ping the LAN? Try it
ifconfig eth0 up /etc/init.d/networking restart
Did you appear after waking up from standby?
Is it a virtual machine? Please check whether the local connection on your host machine is disabled
The problem is solved. It seems that Ubuntu upgraded the system, and then the driver version cannot be supported, and then the wireless network card cannot function
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Are the gateways normal? Can I ping the LAN?
Try it
Did you appear after waking up from standby?
Is it a virtual machine? Please check whether the local connection on your host machine is disabled
The problem is solved. It seems that Ubuntu upgraded the system, and then the driver version cannot be supported, and then the wireless network card cannot function