Manage/delete several unused external monitors desktops

Hi - I have a MBP of 2015 (OS X 10.10.5) with an external monitor to 2412 M Dell. When I'm at home, I use the external monitor as my main screen. It works fine now, but it took me a while to find the right driver to make the display works reliably. I mention this because I think I'm done with an additional office for each time I tried to connect another monitor.

If I have two fingers dragging left/right, I have what looks like 5 different offices (changes background each time, but all my icons are identical) with an additional office on the MBP screen (which is understandable, I can't drag to). This only happens when the focus is on the external monitor (i.e. I can't use the built-in monitor and drag between workstations, even if the external monitor is attached)

I guess that each of these workstations were created when I tried different cables to get the monitor to work (many did not work at all, we worked with occasional outages and glitches, then I finally bought a Belkin DVI - D Apple cable which works perfectly)

Although all icons are duplicated on each of these desktop computers I can open different applications in each office and slip between them, so that each office has to behave independently.

Is it possible to remove these workstations, or is it a feature expected?

Several desktop computers is a feature that can basically triggered several ways. If you press the F3 key you will rely on desktops and on the top of the screen, you will see all the desktops. Move your cursor to the top in one of these small desktop computers, then click to go to this office. Or, move your cursor to the top in the small icon on the desktop and an X appears in the upper left corner of it. Click the X to remove the desktop computer.

Additional workstations are practical because you can force specific programs to launch their windows in this office only. This allows me, for example, have only the email App appear in a single window, in a second browser, MS Office Apps in a third. It keeps my cleaner work environment because I tend to have 5 to 8 programs running at the same time. OTOH, my wife hates and is never more than a desktop computer.

Tags: Notebooks

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