Comment 0 for bug 1481442

When booting HP Pavilion dv6-6145eo with Ubuntu 15.04 the laptop monitor turns off in the middle of the boot.

If I suspend and resume the computer (close and open the lid) when I hear the login sound the monitor turns back on and the computers works just fine.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-25-generic 3.19.0-25.26
ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
Uname: Linux 3.19.0-25-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: markus 1653 F.... pulseaudio
 /dev/snd/controlC0: markus 1653 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Aug 4 21:24:03 2015
HibernationDevice: RESUME=UUID=1496baa6-25ad-490c-8be1-371b62216282
InstallationDate: Installed on 2015-08-04 (0 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcFB:
 0 radeondrmfb
 1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic root=UUID=36500a23-b99a-4df0-9cd8-24126399d9d2 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-25-generic N/A
 linux-backports-modules-3.19.0-25-generic N/A
 linux-firmware 1.143.2
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/13/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 358D
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 33.18
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.20:bd07/13/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058F110000244610000620100:rvnHewlett-Packard:rn358D:rvr33.18:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058F110000244610000620100
dmi.sys.vendor: Hewlett-Packard