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I have tried all alternatives and resources that I found on internet to achieve to change screen resolution in my MacOS X guest. I have the latest VirtualBox version (4.1.22) and I have MacOS X 10.6.3 Snow Leopard running in a vm guest.
Some solutions that don't work for me are:
Adding and in the .vbox file, or running these two commands:
vboxmanage setextradata "MAC OS X" "CustomVideoMode1" "1360x768x32"
vboxmanage setextradata "MAC OS X" "GUI/CustomVideoMode1" "1360x768x32"
Modify /Library/Preferences/SystemConfiguration/com.apple.boot.plist with these lines:
<key>Kernel Flags</key>
<string>"Graphics Mode"="1360x768x32"</string>
<key>Graphics Mode</key>
<string>1360x768x32</string>
Any other suggestion, something that I was missing.
Thanks in advance,
331
Go to the File menu and activate Environment setting or, in more recent versions, Preferences. Select Display and change the setting for Maximum guest screen size to “hint” which allows you to set an arbitrary size for both width and height (e. g. 1920 and 1200). Reboot the virtual machine and enjoy it.
To exit from a full-screen session, do one of the following: Click the window close icon in the toolbar. Use the Host-Q key combination.
VirtualBox Screen Resolution For instance, using Microsoft Windows inside a virtual machine, you can set the virtual machine screen resolution by clicking the "Start Menu," choosing "Settings," then "System" and "Display." Use the "Resolution" menu to choose a higher or lower value.
You can also access Command Prompt (Admin) by pressing the Windows Key + X keys together. After opening the CMD prompt, first, move into the VBox folder. Then type in the resolution you want to change to the X part of the code and copy the code. Paste the code into the CMD and press Enter.
I'm battling this as well. I've seen a third option mentioned in some places: in addition to the CustomVideoMode1 there's a VBoxInternal2/EfiGopMode parameter which can be set to one of six fixed resolutions:
VBoxManage setextradata "vmname" VBoxInternal2/EfiGopMode 3
The possible values for EfiGopMode are:
0: 640x480
1: 800x600
2: 1024x768
3: 1280x1024
4: 1440x900
5: 1920x1200
Not tried this method yet myself because I want to go to 1600x1200...
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