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Recently I have bought a new Sony Vaio touchscreen laptop with Windows 8 UEFI boot (laptop is really good and I highly recommend it) . It was fairly easy to install Ubuntu 13.04 along side windows 8. I was successfully able to dual boot Windows 8 and Ubuntu in this laptop.

In Windows 8 as expected everything worked perfectly out of the box but it was a different story in Ubuntu. I have spent almost 3 weekends for a solution and finally found the solution from some of the old bug reports dated back to Ubuntu 8.04.

Some times we will start editing the configuration files or the files which need root privilege in vi/vim and once we are about to save it, we will understand that we haven't edited it with sudo privilege.

It may be almost impossible to think quitting the editor without saving (:q!) and start it all over agin.