saucy beta ubiquity displays built in screen image on top of external monitor image

[jerrylamos]

saucy beta install external monitor screen 1920xx1080 is overlaid by built in 1024x600 screen image.

saucy Lubuntu has no such problem displays right.

Screenshot attached.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: ubiquity 2.15.20
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
Uname: Linux 3.11.0-8-generic x86_64
ApportVersion: 2.12.4-0ubuntu1
Architecture: amd64
CasperVersion: 1.336ubuntu1
Date: Fri Sep 27 16:55:47 2013
InstallCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz.efi boot=casper iso-scan/filename=/saucy-desktop-amd64.iso noprompt noeject
LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Beta amd64 (20130925.1)
MarkForUpload: True
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

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