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Not quite sure if this is on topic or not but all of the googling I could find referred to changes to make to get Windows 8 to run in full screen mode on Windows, however I haven't found any documents or guides on running Windows 8 in full screen mode for Ubuntu.

I am running the 64-bit version of Windows 8 on virtualbox 4.2 and I do have the guest additions installed



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up vote 3 down vote accepted

You may need to install the virtualbox expansion pack:

Also, I would make sure hardware virtualization is enabled:

SETTINGS > SYSTEM > ACCELERATION TAB > both checkboxes checked

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Thanks I'll test this tonight. – jjesse Nov 18 '12 at 12:56
Thanks, tested this and it worked correctly. Marked the answer as the soluton – jjesse Nov 19 '12 at 1:53
I tried this and got this error: Failed to install the Extension Pack /home/juliofdiaz/Downloads/Oracle_VM_VirtualBox_Extension_Pack-4.2.4-81684.vbox-‌​extpack. VBoxExtPackRegister returned VERR_VERSION_MISMATCH, pReg=0000000000000000 ErrInfo='VirtualBox version mismatch - expected 4.2 got 4.1'. Result Code: NS_ERROR_FAILURE (0x80004005) Component: ExtPackManager Interface: IExtPackManager {3295e6ce-b051-47b2-9514-2c588bfe7554} – Julio Diaz Caballero Jan 22 '13 at 18:46
@JulioDiaz Make sure that your version of virtualbox is up-to-date; currently version 4.2.6: – I-Ii Jan 22 '13 at 21:30
@JulioDiaz Make sure that you are using the latest version of the extenison pack - which is… – I-Ii Jan 22 '13 at 21:37

Install Guest Addition in safe mode, it is a lot more complicated then needs to be to get to safe mode. follow instruction at how to geek.

after reboot I did go full screen (host + f), scale mode (host+c) full screen, both work as expected... seamless mode (host + l) while works, it does not work correctly, unable to access win 8 on screen features

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