I use a ASUS N550JV laptop with preloaded Windows 8. I have turned off fast boot and secure boot, and enabled CSM boot. Before installation, I used Windows Disk Management to shrink 15GB out of a harddrive (it's an 128GB SSD. I still have Windows so I don't have too much space for Ubuntu. But I think 15GB is enough right?) During installation, the an error appeared, saying "Unable to install GRUB in /dev/sda. Executing 'grub-install/dev/sda' failed. This is a fatal error.) Then it asked me to choose a location for boot loader. Could anyone tell me how shall I deal with this problem? Thanks a lot!

  • select the partition where you installed Ubuntu. – Avinash Raj Apr 26 '14 at 16:07

Sorry, I do not speak much English

[Windows 8.1] Open start menu >> Go to "PC settings" >> "Update & Recovery" >> "Avanced Startup". [Windows 8] Open start menu >> Go to "PC settings" >> "General" >> "Avanced Startup".

  1. When you restart pc a window is displayed with options, choose "Throubleshoot" >> "Avanced Options" >> "UEFI Fifmware Settings" >> and click en the button "Restart".

  2. You will be redirected to the BIOS configuration, you need find the Boot configuration, disable "FastBoot" and leave UEFI enabled, save your configuration and restart the PC.

  3. Windows 8 will start again, follow the second step again.

  4. When you restart pc a window is displayed with options, choose "Use a device" >> Select your Ubuntu installation, CD-Room or USD device.

  5. Before install ubuntu, in the ubuntu partition configuration, be sure create a partition for the boot.

  6. Install ubuntu.

  • Sorry I don't quite understand what "create a partition for the boot" means. Does it mean after shrinking drive in Windows, I should do something besides leaving it "unallocated"? Could you explain a little bit? Thanks! – user274602 Apr 26 '14 at 20:30
  • Create a new partition of 512mb size, with ext2 partition type, with mount point "/boot" for grub files. – jgdev May 1 '14 at 0:44

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