VirtualBox

Opened 10 years ago

Closed 10 years ago

#13305 closed defect (worksforme)

Virtualbox 4.3.14 doesnt recognise 64 bit OS

Reported by: RobDev Owned by:
Component: other Version: VirtualBox 4.3.14
Keywords: Cc:
Guest type: Windows Host type: Windows

Description

When attempting to create virtual oses in Virtual box beyond version 4.3, it is failing to properly detect the 64 bit OS on the host machine and wont install any OSes other than 32 bit ones. Reading through bug reports and community this seems to be a common thread. Can you get it fixed please? Host machine is a Lenovo T440 Thinkpad running Windows 7 Professional 64 bit

Change History (4)

comment:1 by Ramshankar Venkataraman, 10 years ago

Please upload VBox.log for you VM you have.

Also, are you sure you have VT-x/AMD-V enabled in your BIOS? Also - have you tried creating a guest as 64-bit OS type?

VBoxManage modifyvm <vmname> --longmode on

comment:2 by sanju_dp, 10 years ago

not finding 64-bit guest type at in in the options. I am running vbox on windows 8.1 64 bit.

comment:3 by Frank Mehnert, 10 years ago

If the GUI doesn't show 64-bit OS types then VT-x most likely is not available for some reason. Check your BIOS settings and try to enable "virtualization support".

comment:4 by Frank Mehnert, 10 years ago

Resolution: worksforme
Status: newclosed
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