I've just bought my shiny new Lenovo Edge E320, without an OS (though it was claimed to contain a DOS).
After now 4 re-installations of Ubuntu, I am desperate. When I pull the USB stick off and reboot, the laptop tries to boot from network. It does that, because it doesn't see the OS on the HDD. Every time it fails with the message "No operating system."
I've set the "boot" flag on all the partitions, checked the boot-order, set the HDD to top, re-parted and reset all the flags, re-installed Ubuntu, and I have no idea what else to try.
Please help me, I've saved up for an exciting new laptop and I can't use it.