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I've got a MacBookPro (no external keyboard, just the built-in laptop keyboard) and I'm running Virtual Box. My virtual machine is Windows XP and I'd like to capture an image of a window (or the whole screen if that's easier). It's not obvious to me how to express Alt-PrtScr` to the Windows XP VM with my MacBook Pro keyboard. I have Virtual Box Guest Additions installed.
This won't work if you want to take an image of the screen including some mouse interaction. "Escaping" the virtual machine sometimes changes the state in such a way that you no longer have the exciting material showing on the screen. – Christopher Schultz – 2015-01-26T19:16:39.937
In the Utilities folder of macOS there is an app called Screenshot (it used to be called Grab and it does the same thing as the screenshot shortcuts, but with an added menu and click-drag selection area. If the VM is hijacking your keyboard shortcuts you can always resort to using Screenshot. – Mentalist – 2018-11-01T07:34:21.687
This doesn't seem to work. What exactly do you mean by "escaped?" – Greg Mattes – 2010-11-16T21:32:15.997
Don't run VirtualBox in fullscreen mode is what he means. Have it running in Window mode. – Ian C. – 2010-11-16T21:36:55.683
@Greg Mattes - I believe it is the left-command by default on Mac for VirtualBox. Referred to as the "Host Key" – ricbax – 2010-11-16T21:38:57.983
I was running in full screen mode. Did command+f to exit full screen mode. shift+command+3 and shift+command+4 still seem to do nothing... – Greg Mattes – 2010-11-16T22:00:57.470
1@Greg Mattes - Have you checked System Prefs -> Keyboard & Mouse -> Keyboard shortcuts. In the left pane you should see Screen Shots you should have 4 items with check boxes selected, 2 of which I mentioned above. – ricbax – 2010-11-16T22:19:16.333