Setting Display Resolution in ubuntu

If you are one of those, who are stuck with 648*480 AKA Built-in Display mode in ubuntu, then you can change to better 1024*968 resolution with the following changes.

1. Go to search Bar,
2. Click Additional drivers,
3. click "Using x86 virtualization solution-guest addition module source for dkms"
4. click apply changes,ok
5. Restart the operating system

That's it.