Continue button grayed out in 2 steps of install

[Rushil]

In step 3 & 4 of the Install (auto-resize) in Lubuntu Desktop i386 in Xenial Daily step i.e.

3. On the scree Preparing to install Lubuntu, note...
The check marks represent the state of your system accurately

4. Click on the continue button
The 'Installation Type' screen is displayed

The "Continue" button was grayed out. I had to hit "Back" and come back to the screen and then the "Continue" button was fine.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 4.3.0-6.17-generic 4.3.3
Uname: Linux 4.3.0-6-generic i686
ApportVersion: 2.19.3-0ubuntu3
Architecture: i386
CurrentDesktop: LXDE
Date: Thu Jan 21 22:22:13 2016
InstallationDate: Installed on 2016-01-21 (0 days ago)
InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Alpha i386 (20160117)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1536915

[Allan Nordhøy (comradekingu)]

Exclusive to a Thinkpad x200 machine. Same results using dd and unetbootin to load the image onto a USB-drive.
Same USB-drive works on an Asus eee 1215n.
Ubuntu also affected. Drops straight to desktop on both, no choice between install and run.

[Simon Quigley (tsimonq2)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version. If you test it and it is still an issue, kindly upload the updated logs by running only once:
apport-collect 1536915

and any other logs that are relevant for this particular issue.

[Launchpad Janitor (janitor)]

[Expired for ubiquity (Ubuntu) because there has been no activity for 60 days.]