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I recently bought a new used Lenovo V570 laptop and wanted to dual boot it with windows 7 and Ubuntu 14.05. I found the drive had been erased with the exception of a recovery partition, but I was unable to access it.
I tried using the original format which was msdos and installed a fresh Windows 7. Unfortunately that failed. The Windows disk required GPT.
Booted live Linux change to GPT and create partitions. installed Windows 7, then installed Ubuntu 14.04. Ubuntu 14.04 installed ok until reboot, then it only showed Windows 7 with no way to get to other operating systems. I checked boot order and checked boot options and tested Windows boot loader option with no luck. Checked Google for a solutin and updated the Bios. Reinstalled failed.
Per one of the forums, I found a recomendation to install as msdos, create the partitions and install Ubuntu 14.04 to rear of HDD, then install Windows 7 from a usb drive (Microsoft has a free downloadable tool to convert a ISO or DVD to a usb) I then use grub rescue to reinstal grub 2. I did find that Windows would install to msdos with no errors of GPT not found.But grub rescue did not work. Using wmacks guide below, I was able to restore grub 2 and make everything work.
As shown by wmack's blog below each UEFI is different and there is no standard way to do anything. I may retry with GPT in order to understand better how it works.