My Lenovo ThinkPad's built-in screen maxes at 1366x768x32. I wanted to use that same resolution with Windows 8 Developer Preview inside of VirtualBox. So, what did I do?

• Downloaded the latest build of VirtualBox v4.1.6 (because it supports Windows 8 x64)
• Installed Windows 8 Developer Preview in VirtualBox as I did earlier this year.
• Installed Guest Additions.
• Ran the CustomVideoMode described in this blog post.

…and quickly found out that I didn’t have the option to use 1366x768x32 inside of VirtualBox despite using the following command:

VBoxManage.exe setextradata  "[Virtual Machine Name]" CustomVideoMode1 1920x1080x32

So how do you fix it?

If you do a little research on this resolution, then you will find it is a non-standard resolution. Even if you run the command:

VBoxManage.exe setextradata "[Virtual Machine Name]" CustomVideoMode1 1366x768x32

It will still not show that resolution inside of VirtualBox. You can fix this easily by using the following command as shown below:

VBoxManage.exe setextradata "[Virtual Machine Name]" CustomVideoMode1 1360x768x32

I hope that you noticed the command used the resolution of 1360 instead of 1366. Now if you go to your display option for Windows 8 inside of Virtualbox then you can select that resolution.

Anyways, I hope this helps someone with a similar problem. I created this blog partially for myself but it is always nice to help my fellow developer. 

Thanks for reading.

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