What would you like to do?” or “This computer currently has Windows X installed on it. In versions of Ubuntu before Ubuntu 14.10, the message would have been, “This computer currently has no detected operating system. Notice that the installer detected the presence of a Windows Boot Manager, not Windows 8. Click through the first few steps until you get to the step shown in the screenshot below. Boot into the Ubuntu 14.10 Live desktop, then launch the installer by clicking on its icon on the launcher or on the desktop. That entails booting the computer from the installation DVD or USB stick that you created. Now, let’s see how Ubuntu’s installer sees those partitions. See How to resize or shrink a GPT-partitioned C drive in Windows 8 for help on this subject. If you haven’t done anything like that before, don’t worry, it’s a very simple operation. That is, for Ubuntu 14.10 to be installed on the laptop, the size of the C drive will have to be reduced. To install Ubuntu 14.10 alongside Windows 8 on the Toshiba Satellite C55-A, some space will have to be recovered from the C drive. They are the 260 MB partition labeled EFI System Partition and the C drive, which, in this screenshot, is the 685.91 NTFS partition. Two partitions that are important to a dual-boot operation between Windows and a Linux distribution on a computer with UEFI firmware are highlighted. Because GPT partitioning is used, they’re all primary partitions. This screenshot shows the default partitions on the Toshiba Satellite C55-A as seen from the Windows 8 partition manager. Then burn it to a blank DVD or transfer it to a USB stick. If you have the same or a similar Toshiba laptop, or any other computer with UEFI firmware and Windows 8 installed, and you wish to install Ubuntu 14.10 alongside Windows 8, you’ll have to download an installation ISO image of Ubuntu 14.10 from here. Ubuntu 14.10 is the latest edition of Ubuntu.īecause the Toshiba Satellite C55-A is a loaner from a friend, I was not able to perform the actual installation, so the best I can do is provide guidance on what to do, given the number and type of existing partitions on the laptop’s HDD. In other words, how to dual-boot Ubuntu 14.10 and Window 8 on a Toshiba Satellite C55-A. This article offers guidance on how to install Ubuntu 14.10 alongside Windows 8 on that Toshiba laptop. Also, Restricted Boot (or Secure Boot) is enabled. That means UEFI firmware and Windows 8 installed using a GPT partitioning scheme. The Toshiba Satellite C55-A is a Toshiba laptop with Intel Core i3 processor inside, a 750 GB hard disk drive (HDD) and Windows 8 factory installed.
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December 2022
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