What is the shortcut to exit scaled mode in Oracle VM VirtualBox, Windows 7/10 host?
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1It is fairly off-topic. The best answer is also very poor imho, doesn't cover non-latin based languages where a c might not exist. – Mike Miller Jan 14 '19 at 15:16
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1I'm still living off this answer. – Mike Miller Jun 29 '20 at 09:36
9 Answers
To exit Scale Mode, press:
Right Ctrl (Host Key) + c
Note that your (Host Key) may be different from Right Ctrl. To check the current binding, go to VirtualBox Preferences > Input > Virtual Machine > Host Key Combination
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12Note: It's the ctrl button at your keyboard, not **right click** + **ctrl** + **c** (like what I lamely did). – Jürgen Paul Feb 28 '13 at 10:39
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What laptop is that? https://www.virtualbox.org/ticket/1753 is it covered under this? – Mike Miller Jun 16 '14 at 14:15
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@MikeMiller It's a Dell Inspiron 14" - really good in fact, but miss `right ctrl` and `pause/break` keys... :/ – MatheusJardimB Jun 17 '14 at 11:12
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1@MatheusJardimB Bit lame this, but you can map a shortcut key to %windir%\System32\osk.exe - i.e. shift + win + k or similar. that way you can use the onscreen keyboard when needed. – Mike Miller Jun 17 '14 at 11:27
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Under OSX (ubuntu guest) this doesn't work. Once I get into Scaled Mode, the normal commands to return to, e.g., fullscreen mode, don't work. Scaled Mode doesn't display the entire screen. – intuited Jun 18 '15 at 18:00
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@intuited Hi this is a know issue with OSX/Ubuntu guests, have a read here and see if it sorts you out. http://www.hacksparrow.com/shortcut-keys-not-working-in-virtualbox-under-mac-os-x.html – Mike Miller Jun 22 '15 at 09:15
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I don't have a `right-control`... what a joke this software is. Luckily, my brain kicked in and I realized that I could use the `on-screen` keyboard... which does have the `right-control`. Wow. – pookie May 09 '16 at 21:07
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1This may be a new development (as the question is quite old), but on my MS Surface Pro 5, VirtualBoxen automagically use SHIFT+LCTRL for the *host key* as there is no RCTRL. – Jan 14 '19 at 13:25
If Right Ctrl (Host Key) + C does not work (there have been some issues on Ubuntu), do the following:
1) File > Preferences > Input on the Virtual Machine which is stuck in Scale Mode
2) Change or Reset the Host Key. There's no need to even save after changing the settings
3) Re-open the Virtual Machine and it should be reset!

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4Thanks, I also had this problem (using debian squeeze). I think I have determined the cause of this problem for myself. My ctrl key was set to 'show position of pointer when pressed' so when I tried binding left ctrl or right ctrl to the host key in VBox it wouldn't work. As soon as I turned off the option to 'show where my pointer is' I could bind the key to host again. – Matt Mar 14 '13 at 11:08
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In my case, my notebook doesn't have Right Ctrl, so I had to change to AltGr key. – shimatai Feb 09 '17 at 04:36
Steps:
- host + f, to switch to full screen mode, if not yet,
- host + c, to switch to/out of scaled mode,
- host + f, to switch back normal size, if need,
Tip:
- host key, default to right ctrl, the control button on right part of your keyboard,
- host + c seems only work in fullscreen mode,

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Yeah it suck to get stuck in Scale View.
Host+Home will popup the Virtual machine settings. (by default Host is Right Control)
From there you can change the view settings, as the Menu bar is hidden in Scale View.
Had the same issue, especially when you checked the box not to show the 'Switch to Scale view' dialog.
This you can do while the VM is running.
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2I don't know why this is voted down. It's correct; it does answer the question; and knowing the Host + Home key combination is useful because that's the only thing you need to know in order to access the menu -- that being the actual problem with Scale Mode that most people have difficulty with. – Daira Hopwood Oct 29 '14 at 23:21
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Scale View is not avail via Host+Home on virtualbox vs 6.1 ubuntu. Rightcontrol + F worked for me. – rearThing Aug 27 '22 at 20:43
I arrived at this page looking to turn off scale mode for good, so I figured I would share what I found:
VBoxManage setextradata global GUI/Input/MachineShortcuts "ScaleMode=None"
Running this in my host's terminal worked like a charm for me.
Source: https://forums.virtualbox.org/viewtopic.php?f=8&t=47821

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3This is useful for mac hosts, where I accidentally cmd+c all the time – Godisemo Jun 10 '15 at 09:17
I was having the similar issue when using VirtualBox on Ubuntu 12.04LTS. Now if anyone is using or has ever used Ubuntu, you might be aware that how things are hard sometimes when using shortcut keys in Ubuntu. For me, when i was trying to revert back the Host key, it was just not happening and the shortcut keys won't just work. I even tried the command line option to revert back the scale mode and it won't work either. Finally i found the following when all the other options fails:
Fix the Scale Mode Issue in Oracle VirtualBox in Ubuntu using the following steps:
- Close all virtual machines and VirtualBox windows.
Find your machine config files (i.e.
/home/<username>/VirtualBox VMs/ANKSVM
) where ANKSVM is your VM Name and edit and change the following inANKSVM.vbox
andANKSVM.vbox-prev
files:Edit the line:
<ExtraDataItem name="GUI/Scale" value="on"/>
to<ExtraDataItem name="GUI/Scale" value="off"/>
Restart VirtualBox
You are done.
This works every time specially when all other options fails like how it happened for me.

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Another solution (poor one do) is exiting VM Box with saving desktop (top option), restart would bring back the screen as it was before the rescale.

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as @MikeMiller pointed out, To exit scale mode: Right Ctrl (Host Key) + C
but for users who DON'T have a Right Ctrl (Host Key)
(such as MS Surface Pro users: we only have a Left Ctrl key), u need to go into Virtualbox>>File>>Preferences>>Input>>VirtualMachine tab>>change Host key Combination to one that works for ya(I used Ctrl+Shift+Alt which doesn't seem to be in use already)

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1Had the same problem when accessing a Windows VM running on a headless Windows computer I was accessing from Mac BookPro via RDP – Peter M Feb 19 '17 at 15:08