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I am trying to install Ubuntu 14.04 / 15.10 as a dual boot with my windows 10 education (on a dell xps 13). I have created my bootable USB drive using Rufus (GPT for EFI). I have disabled Secure Boot mode and Fast Startup, as described on many websites. As I boot on the drive, I have the choice between Try or Install Ubuntu. When I pick install, I go trough the language selection and the next screen (asking if I have any space, internet...). So far so good. But after that, nothing. Under the windows Installation type, the screen is blank. No drive appears. I don't even get to choose th installation option for Ubuntu to dual-boot alongside Windows Boot Manager as seen on other thread. If anyone could help with that, I have been struggling for hours now.

Hussain K
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Try dropping to a shell or launching the "try before installing" option and opening a Terminal. Type ls /dev/sd? to see what disks are available. You should see at least two -- /dev/sda and /dev/sdb. One of these (typically /dev/sda) is your hard disk and the other (usually /dev/sdb) is the installation medium. (Unless you're booting from a CD, in which case you may see just /dev/sda.) From your description, I suspect that you'll see just /dev/sda, and that it will be your USB flash drive installation medium.

If I'm right, then the problem is that Ubuntu does not yet have drivers for your computer's disk controller -- or maybe your disk is unplugged or malfunctioning, but that should show up as an inability to boot Windows. I was under the impression that the Dell XPS 13 was supported, so this is surprising, if it's what you see. The solution to such problems is usually to use a more recent version of Ubuntu. You imply that you've tried both 14.04 and 15.10, and the latter is the most recent released version. You might try the Xenial alpha, though.

If you see both /dev/sda and /dev/sdb, then something else is going on. Posting a screen shot of the screen where you run into the problem may be informative. The output of dmesg may be helpful, too. (Type dmesg > foo.txt, post foo.txt to a pastebin site, and post the URL to the document here.)

Rod Smith
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  • Thanks for your answer! The command /dev/sd? indeed only show /dev/sda. Since you're talking about drivers, it appears that I have an issue with the wireless drivers ("System" -> "Software and upadte" -> "Additional drivers") that froze Ubuntu. So should I wait for a newer version of Ubuntu or stop fighting and go to a VM ? – defqoon Jan 21 '16 at 15:44
  • Wireless drivers are unrelated to your problem; it's likely that a disk controller driver is causing problems; or perhaps you've got bad hardware -- but that would likely manifest in Windows, too. – Rod Smith Jan 21 '16 at 22:59