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[Bug 860350] [NEW] When using an external monitor, LightDM uses a low resolution on both

 

Public bug reported:

I have a laptop with a screen resolution of 1366x768 and an external 24"
monitor which has a native resolution of 1920x1080.

LightDM mirrors the image on both screens, however the resolution for both screens falls back to something low, like 1024x768. I think this is probably the highest resolution that both monitors are capable of, but it has the result of the login screen looking bad on both.
--- 
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
DistroRelease: Ubuntu 11.10
EcryptfsInUse: Yes
Package: lightdm 0.9.7-0ubuntu2
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Tags:  oneiric
Uname: Linux 3.0.0-11-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

** Affects: lightdm (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected oneiric

-- 
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https://bugs.launchpad.net/bugs/860350

Title:
  When using an external monitor, LightDM uses a low resolution on both

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  I have a laptop with a screen resolution of 1366x768 and an external
  24" monitor which has a native resolution of 1920x1080.

  LightDM mirrors the image on both screens, however the resolution for both screens falls back to something low, like 1024x768. I think this is probably the highest resolution that both monitors are capable of, but it has the result of the login screen looking bad on both.
  --- 
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  DistroRelease: Ubuntu 11.10
  EcryptfsInUse: Yes
  Package: lightdm 0.9.7-0ubuntu2
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Tags:  oneiric
  Uname: Linux 3.0.0-11-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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References