Public bug reported:
Upon bootup of Raring Ringtail my Lenovo laptop screen is always black. I just
simply increase the brightness using keyboard to fix it.
======================= Hardware List =================================
steve-ubuntu
description: Notebook
product: Lenovo IdeaPad N580 (LENOVO_MT_Lenovo IdeaPad N580)
vendor: LENOVO
version: Lenovo IdeaPad N580
serial: 2956005300450
width: 64 bits
capabilities: smbios-2.7 dmi-2.7 vsyscall32
configuration: boot=normal chassis=notebook family=IDEAPAD
sku=LENOVO_MT_Lenovo IdeaPad N580 uuid=5D5490DC-FBD8-11E1-83C6-B888E3843833
*-core
description: Motherboard
product: INVALID
vendor: LENOVO
physical id: 0
version: 31900003WIN8 STD MLT
serial: CB18566419
slot: Type2 - Board Chassis Location
*-firmware
description: BIOS
vendor: LENOVO
physical id: 0
version: 5ECN91WW(V8.03)
date: 09/04/2012
size: 128KiB
capacity: 4544KiB
capabilities: pci upgrade shadowing cdboot bootselect edd
int13floppynec int13floppytoshiba int13floppy360 int13floppy1200 int13floppy720
int13floppy2880 int9keyboard int10video acpi usb biosbootspecification uefi
*-cpu
description: CPU
product: Intel(R) Pentium(R) CPU B960 @ 2.20GHz
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: Intel(R) Pentium(R) CPU B960 @ 2.20GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 800MHz
capacity: 4GHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce
cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl
xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl
est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt
tsc_deadline_timer xsave lahf_lm arat epb xsaveopt pln pts dtherm cpufreq
configuration: cores=2 enabledcores=2 threads=2
*-cache:0
description: L1 cache
physical id: 9
slot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: internal write-through instruction
*-cache:1
description: L2 cache
physical id: a
slot: L2 Cache
size: 256KiB
capacity: 256KiB
capabilities: internal write-through unified
*-cache:2
description: L3 cache
physical id: b
slot: L3 Cache
size: 2MiB
capacity: 2MiB
capabilities: internal write-back unified
*-cache
description: L1 cache
physical id: 8
slot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: internal write-through data
*-memory
description: System Memory
physical id: 28
slot: System board or motherboard
size: 4GiB
*-bank:0
description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
product: HMT351S6CFR8C-PB
vendor: Unknown
physical id: 0
serial: 4C2FBB9D
slot: DIMM0
size: 4GiB
width: 64 bits
clock: 1600MHz (0.6ns)
*-bank:1
description: DIMM [empty]
product: Empty
vendor: Empty
physical id: 1
serial: Empty
slot: DIMM1
*-pci
description: Host bridge
product: 2nd Generation Core Processor Family DRAM Controller
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 09
width: 32 bits
clock: 33MHz
*-display
description: VGA compatible controller
product: 2nd Generation Core Processor Family Integrated Graphics
Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:42 memory:e0000000-e03fffff
memory:d0000000-dfffffff ioport:3000(size=64)
*-usb:0
description: USB controller
product: 7 Series/C210 Series Chipset Family USB xHCI Host
Controller
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:40 memory:e0600000-e060ffff
*-communication
description: Communication controller
product: 7 Series/C210 Series Chipset Family MEI Controller #1
vendor: Intel Corporation
physical id: 16
bus info: pci@0000:00:16.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=mei latency=0
resources: irq:43 memory:e0614000-e061400f
*-usb:1
description: USB controller
product: 7 Series/C210 Series Chipset Family USB Enhanced Host
Controller #2
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci-pci latency=0
resources: irq:16 memory:e0619000-e06193ff
*-multimedia
description: Audio device
product: 7 Series/C210 Series Chipset Family High Definition Audio
Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:44 memory:e0610000-e0613fff
*-pci:0
description: PCI bridge
product: 7 Series/C210 Series Chipset Family PCI Express Root Port
1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: c4
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:17 ioport:2000(size=4096) memory:e0500000-e05fffff
*-network DISABLED
description: Ethernet interface
product: AR8161 Gigabit Ethernet
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: 08
serial: b8:88:e3:84:38:33
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list
ethernet physical
configuration: broadcast=yes driver=alx latency=0 multicast=yes
resources: irq:16 memory:e0500000-e053ffff ioport:2000(size=128)
*-pci:1
description: PCI bridge
product: 7 Series/C210 Series Chipset Family PCI Express Root Port
2
vendor: Intel Corporation
physical id: 1c.1
bus info: pci@0000:00:1c.1
version: c4
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:16 memory:e0400000-e04fffff
*-network
description: Wireless interface
product: AR9285 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: 01
serial: 74:e5:43:c8:6b:62
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
configuration: broadcast=yes driver=ath9k
driverversion=3.8.0-18-generic firmware=N/A ip=192.168.1.2 latency=0 link=yes
multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:e0400000-e040ffff
*-usb:2
description: USB controller
product: 7 Series/C210 Series Chipset Family USB Enhanced Host
Controller #1
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci-pci latency=0
resources: irq:23 memory:e0618000-e06183ff
*-isa
description: ISA bridge
product: HM76 Express Chipset LPC Controller
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 04
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: driver=lpc_ich latency=0
resources: irq:0
*-storage
description: SATA controller
product: 7 Series Chipset Family 6-port SATA Controller [AHCI mode]
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
version: 04
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:41 ioport:3088(size=8) ioport:3094(size=4)
ioport:3080(size=8) ioport:3090(size=4) ioport:3060(size=32)
memory:e0617000-e06177ff
*-serial UNCLAIMED
description: SMBus
product: 7 Series/C210 Series Chipset Family SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 04
width: 64 bits
clock: 33MHz
configuration: latency=0
resources: memory:e0615000-e06150ff ioport:3040(size=32)
*-scsi:0
physical id: 1
logical name: scsi0
capabilities: emulated
*-disk
description: ATA Disk
product: WDC WD3200BPVT-2
vendor: Western Digital
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: 01.0
serial: WD-WXS1E32TFSLC
size: 298GiB (320GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 sectorsize=4096 signature=00064dbf
*-volume:0
description: Linux filesystem partition
vendor: Linux
physical id: 1
bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
logical name: /boot
version: 1.0
serial: f481b9ff-59f6-45d1-bdbe-94869ca2ec8e
size: 243MiB
capacity: 243MiB
capabilities: primary bootable ext2 initialized
configuration: filesystem=ext2 modified=2013-04-17 00:02:40
mount.fstype=ext2 mount.options=rw,relatime,errors=continue state=mounted
*-volume:1
description: Extended partition
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
size: 297GiB
capacity: 297GiB
capabilities: primary extended partitioned partitioned:extended
*-logicalvolume
description: Linux filesystem partition
physical id: 5
logical name: /dev/sda5
capacity: 297GiB
*-scsi:1
physical id: 2
logical name: scsi2
capabilities: emulated
*-cdrom
description: DVD-RAM writer
product: DVD RW AD-7740H
vendor: Optiarc
physical id: 0.0.0
bus info: scsi@2:0.0.0
logical name: /dev/cdrom
logical name: /dev/cdrw
logical name: /dev/dvd
logical name: /dev/dvdrw
logical name: /dev/sr0
version: A842
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
*-scsi:2
physical id: 3
bus info: usb@1:1.4
logical name: scsi6
capabilities: emulated scsi-host
configuration: driver=rts5139
*-disk
description: SCSI Disk
product: xD/SD/M.S.
vendor: Generic-
physical id: 0.0.0
bus info: scsi@6:0.0.0
logical name: /dev/sdb
version: 1.00
serial: 3
capabilities: removable
configuration: sectorsize=512
*-medium
physical id: 0
logical name: /dev/sdb
*-battery
description: Lithium Ion Battery
product: CRB Battery 0
vendor: -Virtual Battery 0-
physical id: 1
version: 07/07/2010
serial: Battery 0
slot: Fake
*-power UNCLAIMED
description: OEM_Define1
product: OEM_Define5
vendor: OEM_Define2
physical id: 2
version: OEM_Define6
serial: OEM_Define3
capacity: 75mWh
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1170014
Title:
Laptop screen always dim at bootup on 13.04
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