Comment 189 for bug 1040557

Today I managed to install 13.04 alongside Windows 8 on my Samsung NP700z3c with the latest Samsung BIOS update (dated March 2012, I want to say it's P05ABJ but I'm not 100% on that).

Essentially the steps I undertook are as follows:

*A few months ago when I bought this laptop, I made some free space on the hard drive using Windows 8's disk utility tools (I believe you can get to it by entering the new "start menu" and searching for diskmgmt.msc); personally I made about 250 gb space for Ubuntu, but of course YMMV
*Before I installed Ubuntu I checked how fragmented my drive was; WIndows' built-in tools told me 1% fragmentation, and I figured this wouldn't cause any problems
*I downloaded 13.04 from the main Ubuntu site and followed the instructions on there for putting it on a USB drive (I think there's a link there to pendrivelinux, along with instructions for what to do)
*I checked the BIOS; after updating it back in March, it turns out it reset the secure-boot settings. Back in November I had disabled both secure-boot and fast-boot through the BIOS; when I checked it this time fast-boot was disabled, but secure-boot was not.
*I DID NOT change the boot preference to CSM or CSM/UEFI, I kept it at UEFI (I believe this is the main problem caused by this bug)
*In the BIOS options I changed the boot priority to USB HDD, then Windows boot loader
*I restarted my computer, and the familiar live-usb grub menu popped up
*I chose to install Ubuntu
*According to https://help.ubuntu.com/community/UEFI#Creating_an_EFI_partition and some various askubuntu.com pages, you should select "manual installation" (whichever options lets you choose what gets installed where); I made an EFI partition of 250 mb as recommended in the Ubuntu wiki at the beginning of the free space I had originally set out; I made a swap partition of about 6 gb, and the rest I made for /
*Downloaded updates and whatnot during installation
*Restarted my computer, it booted into Grub and I was able to log into Ubuntu
*Restarted again, booted into Grub and selected the Windows entry. It didn't work, said something about an invalid EFI path (as noted here: http://askubuntu.com/questions/297431/invalid-efi-file-path-on-windows-8); I followed the suggestion solution about installing rEFInd
*Restarted again, rEFInd menu shows up. First entry is Windows; selecting that managed to load Windows 8 without a problem. Second entry is Ubuntu, selecting that managed to load Ubuntu without a problem. There are like 4 other entires; haven't tried them yet, have no plans to.

Hope this helps