Sometimes WiFi rather than an ethernet cable can also be a problem. Unfortunately getting WoL to work can be very tricky, as there are so many factors involved - the router firewall, computer firewall, BIOS settings, Windows/Mac control panel settings, network card support, network driver support, and so on and so forth. using the dyndns name you've given it), and its WoL port (usually port 9), and its MAC address, then you can test to see if the sleeping computer receives the wake-up packet from the internet. If the computer does not wake up, it suggests that some other factor is preventing it from working, beyond the scope of TeamViewer. If you enter the target computer's host name (eg. Wake-on-LAN for example to your TeamViewer account via the context menu.

For example, you can use a website like this one (not affiliated with or supported by TeamViewer): By following the link, the web browser will open and you are connected to. If you can wake up the computer from another computer within the same network, but you can't wake it up from a computer outside of the network, then it's likely that something else is preventing the wake-up packet from reaching the target computer - perhaps the network or computer firewall is not allowing it, or something like that.Ī good way to further troubleshoot this is to use an eternal WoL tool to try and wake up the computer from outside the network.

Teamviewer 9 wake on lan