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If you are not able to resume a NX Connection and you typically connect from multiple computers, be sure to use similar version of NoMachine client where you initiate the connection from. To check for NoMachine version, after you have launch NoMachine client, go to Preferences on top, then click on Updates, it will show you the version that you are running NoMachine on.

Broken display with "Green Screen" Issues

If your display is broken with mainly a green screen, it could be a hardware decoding issue. Click on "Display" button on NoMachine (shown below). Then click "Change settings" and turn on "Disable client side hardware decoding".

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Other issues

If Ctrl-C (Ctrl-break) does not work on the Linux client, hit the Alt-Ctrl-C (Use it in proper sequence so hold down the key one at a time). WindowsKey-Ctrl-C, or turn on Caps Lock and hit Ctrl-C will also work.

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