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I recently bought a Lenovo 100s as a lightweight, portable, cheap pc. First step was to clean it and install Ubuntu but I've run into some problems. Firstly they have installed 32 bit Windows and a 32 bit EFI on the machine even though it has 64 bit architecture. The EFI also has no legacy support, so I need a 32 bit ubuntu with EFI support (although I want 64 bit since the hardware supports it). PC has no dvd drive or LAN port, so those boot options are not possible. Anyone have any ideas? I'm a bit of a linux scrub so a step by step would be much appreciated if possible. Thanks!

  • Do you have another computer to make a LiveUSB on? – Christopher Angulo-Bertram Jun 5 '16 at 21:42
  • Well, it seem to be possible to load 64 bit OS Linux from a 32 bit UEFI. I found this technical blog post about the idiosyncrasies of 32/64 bit UEFI/OS, and this patch, dated by 2014, enabling a possibility to load 64 bit Linux kernel from a 32 bit UEFI. – Hi-Angel Jun 6 '16 at 5:11
  • Okay, after a bit of diving into the theme, I'd advice you to just try 64 bit Ubuntu, it would probably work with disregard to EFI32. There was a blog post about adding so called mixed mode (to load 64 bit systems from 32 bit UEFI) into Debian (I'm absolutely don't recommend Debian as opposed to *buntu for a number of reasons — that's just an example). – Hi-Angel Jun 6 '16 at 7:32
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I also have a Lenovo Thinkpad 100 (not sure about the 's') and previously replaced the Win10 OS with Ubuntu 14.04 LTS 64-bit (I've just upgraded to 16.04). I created a bootable USB using Universal USB Installer and booted from that (using the weird concealed boot button next to the headphone socket - I use an unfolded paperclip).

Hope that helps.

  • It doesn't work with Lenovo Ideapad 100s 11iby. – Miracles Happen Aug 11 '18 at 9:25

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