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I have the exact same problem. After waking from sleep, wifi still works but networks not showing. I solve the problem by restarting the network manager. sudo service network-manager restart Still very annoying. I hope they fix this issue soon.


This is a bug for sure. Bug has been filed at


Finally I was able to fix the issues after trying out numbers of different methods. Get details of your PCI wireless card by running sudo lshw -class network Get your card model info according to the product line. For instance, as you can see in the question description it says product: RTL8723BE PCIe Wireless Network Adapter so the model of my card is ...


I was having the same problem. I fixed the suspend wake issue by creating this script at /etc/systemd/system/wifi-resume.service (the one the OP posted only worked for the active session; on reboot it had to be called again): #/etc/systemd/system/wifi-resume.service #sudo systemctl enable wifi-resume.service [Unit] Description=Restart networkmanager at ...


Looking at your tshark capture and your routing table. I supposed that your vpn network is using the same subnet as the docker0 interface. This will shutdown the docker0 interface: sudo ifdown docker0 But the problem will come back after a reboot. To properly fix it you should remove docker, or change subnet settings of docker, or change your vpn ...


Follow the instructions in the linked answer. However, in your case you'll need to download the .deb under Windows, copy it to a USB stick, reboot into Ubuntu and copy and install the .deb from the USB stick.


I just answered the same question. Dont worry just enter your terminal and enter : sudo apt-get install firmware-b43-installer It should work again :) Tell me if it doesn't

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