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Thread: Screen resolution wrong after latest 12.04 update

  1. #1
    Join Date
    Oct 2012
    Beans
    3

    Screen resolution wrong after latest 12.04 update

    I just installed an update for 12.04, which required a reboot. After the reboot, the screen resolution is wrong (screen is stretched). The Monitor utility says my screen is LAPTOP (it's not) and the "detect Monitor" button does not do anything.

    Also tried changing resolution using grub-customizer but it doesn't seem to help either. In fact now on boot I get "error: no video mode activated"

    Also unplugged monitor.

    Suggestions?

    Thanks,

  2. #2
    Join Date
    Jan 2013
    Beans
    525

    Re: Screen resolution wrong after latest 12.04 update

    Care to describe what hardware you have? Memory, CPU, Graphics, ect....

  3. #3
    Join Date
    Oct 2012
    Beans
    3

    Re: Screen resolution wrong after latest 12.04 update

    description: Desktop Computer
    product: TH67+ (None)
    vendor: BIOSTAR Group
    version: 6.0
    serial: None
    width: 32 bits
    capabilities: smbios-2.7 dmi-2.7 smp-1.4 smp
    configuration: chassis=desktop cpus=4 family=None sku=None uuid=00020003-0004-0005-0006-000700080009
    *-core
    description: Motherboard
    product: TH67+
    vendor: BIOSTAR Group
    physical id: 0
    version: 6.0
    serial: None
    slot: None
    *-firmware
    description: BIOS
    vendor: American Megatrends Inc.
    physical id: 0
    version: 4.6.4
    date: 02/17/2011
    size: 64KiB
    capacity: 960KiB
    capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification
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    size: 256KiB
    capacity: 256KiB
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    capabilities: internal varies unified
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    capabilities: internal varies unified
    *-memory
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    physical id: 8
    slot: System board or motherboard
    size: 16GiB
    *-bank:0
    description: DIMM DDR3 Synchronous 1333 MHz (0.8 ns)
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    serial: 00000000
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    size: 4GiB
    width: 64 bits
    clock: 1333MHz (0.8ns)
    *-bank:1
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    product: F3-10666CL9-4GBRL
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    physical id: 1
    serial: 00000000
    slot: A1_DIMM1
    size: 4GiB
    width: 64 bits
    clock: 1333MHz (0.8ns)
    *-bank:2
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    product: F3-10666CL9-4GBRL
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    physical id: 2
    serial: 00000000
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    size: 4GiB
    width: 64 bits
    clock: 1333MHz (0.8ns)
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    serial: 00000000
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    width: 64 bits
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    vendor: Intel Corp.
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    serial: 0002-06A7-0000-0000-0000-0000
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    *-logicalcpu:15
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    physical id: 2.10
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    *-cpu:3
    physical id: 3
    bus info: cpu@3
    version: 6.10.7
    serial: 0002-06A7-0000-0000-0000-0000
    size: 1600MHz
    capacity: 1600MHz
    capabilities: vmx ht cpufreq
    configuration: id=2
    *-logicalcpu:0
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    *-logicalcpu:1
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    *-logicalcpu:2
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    *-logicalcpu:3
    description: Logical CPU
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    *-logicalcpu:4
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    *-logicalcpu:5
    description: Logical CPU
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    *-logicalcpu:6
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    *-logicalcpu:7
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    physical id: 2.10
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    *-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
    *-communication
    description: Communication controller
    product: 6 Series/C200 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:50 memory:fb308000-fb30800f
    *-usb:0
    description: USB controller
    product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
    vendor: Intel Corporation
    physical id: 1a
    bus info: pci@0000:00:1a.0
    version: 05
    width: 32 bits
    clock: 33MHz
    capabilities: pm debug ehci bus_master cap_list
    configuration: driver=ehci_hcd latency=0
    resources: irq:16 memory:fb307000-fb3073ff
    *-multimedia
    description: Audio device
    product: 6 Series/C200 Series Chipset Family High Definition Audio Controller
    vendor: Intel Corporation
    physical id: 1b
    bus info: pci@0000:00:1b.0
    version: 05
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress bus_master cap_list
    configuration: driver=snd_hda_intel latency=0
    resources: irq:51 memory:fb300000-fb303fff
    *-pci:0
    description: PCI bridge
    product: 6 Series/C200 Series Chipset Family PCI Express Root Port 1
    vendor: Intel Corporation
    physical id: 1c
    bus info: pci@0000:00:1c.0
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    clock: 33MHz
    capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
    configuration: driver=pcieport
    resources: irq:40 ioport:e000(size=4096) ioport:d2100000(size=1048576)
    *-network
    description: Ethernet interface
    product: RTL8111/8168B PCI Express Gigabit Ethernet controller
    vendor: Realtek Semiconductor Co., Ltd.
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    bus info: pci@0000:01:00.0
    logical name: eth0
    version: 06
    serial: 00:30:67:c2:f1:e4
    size: 100Mbit/s
    capacity: 1Gbit/s
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw ip=192.168.0.14 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
    resources: irq:49 ioport:e000(size=256) memory:d2104000-d2104fff memory:d2100000-d2103fff
    *-pci:1
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    vendor: Intel Corporation
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    width: 32 bits
    clock: 33MHz
    capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
    configuration: driver=pcieport
    resources: irq:41 memory:fb200000-fb2fffff
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    product: uPD720200 USB 3.0 Host Controller
    vendor: NEC Corporation
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    clock: 33MHz
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    configuration: driver=xhci_hcd latency=0
    resources: irq:17 memory:fb200000-fb201fff
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    description: PCI bridge
    product: 82801 PCI Bridge
    vendor: Intel Corporation
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    clock: 33MHz
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    resources: memory:fb100000-fb1fffff
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    vendor: Integrated Technology Express, Inc.
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    clock: 33MHz
    capabilities: pci pm subtractive_decode bus_master cap_list
    resources: memory:fb100000-fb1fffff
    *-network UNCLAIMED
    description: Network controller
    product: ACX 111 54Mbps Wireless Interface
    vendor: Texas Instruments
    physical id: 0
    bus info: pci@0000:04:00.0
    version: 00
    width: 32 bits
    clock: 33MHz
    capabilities: pm bus_master cap_list
    configuration: latency=32
    resources: memory:fb120000-fb121fff memory:fb100000-fb11ffff
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    vendor: Intel Corporation
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    version: b5
    width: 32 bits
    clock: 33MHz
    capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
    configuration: driver=pcieport
    resources: irq:42 ioport:d000(size=4096) memory:fa000000-fb0fffff ioport:c0000000(size=301989888)
    *-display
    description: VGA compatible controller
    product: GT218 [GeForce 8400 GS]
    vendor: NVIDIA Corporation
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    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
    configuration: driver=nvidia latency=0
    resources: irq:16 memory:fa000000-faffffff memory:c0000000-cfffffff memory:d0000000-d1ffffff ioport:d000(size=128) memory:fb000000-fb07ffff
    *-multimedia
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    product: High Definition Audio Controller
    vendor: NVIDIA Corporation
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    bus info: pci@0000:05:00.1
    version: a1
    width: 32 bits
    clock: 33MHz
    capabilities: pm msi pciexpress bus_master cap_list
    configuration: driver=snd_hda_intel latency=0
    resources: irq:17 memory:fb080000-fb083fff
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    product: 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
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    width: 32 bits
    clock: 33MHz
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    resources: irq:23 memory:fb306000-fb3063ff
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    clock: 33MHz
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    description: RAID bus controller
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    logical name: scsi0
    logical name: scsi1
    logical name: scsi2
    logical name: scsi3
    logical name: scsi4
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    *-disk:0
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    capabilities: partitioned partitioned:dos
    configuration: ansiversion=5 signature=000efced
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    bus info: scsi@0:0.0.0,1
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    logical name: /
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    capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
    configuration: created=2012-03-19 19:56:30 filesystem=ext4 lastmountpoint=/ modified=2012-10-09 17:40:56 mount.fstype=ext4 mount.options=rw,relatime,errors=remount-ro,user_xattr,acl,barrier=1,data=ordered mounted=2012-10-13 21:49:23 state=mounted
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    logical name: /media/backup
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    capacity: 279GiB
    capabilities: primary journaled extended_attributes large_files recover ext3 ext2 initialized
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    *-cdrom
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    logical name: /dev/dvd1
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    capabilities: primary multi journaled extended_attributes large_files huge_files dir_nlink extents ext4 ext2 initialized
    configuration: created=2012-10-12 08:47:54 filesystem=ext4 lastmountpoint=/media/wd-1tb modified=2012-10-12 12:01:50 mounted=2012-10-12 11:38:23 state=clean
    *-disk:3
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    logical name: /dev/sdd
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    capabilities: primary multi journaled extended_attributes large_files huge_files dir_nlink extents ext4 ext2 initialized
    configuration: created=2012-10-12 11:44:59 filesystem=ext4 modified=2012-10-12 11:45:06 state=clean
    *-serial UNCLAIMED
    description: SMBus
    product: 6 Series/C200 Series Chipset Family SMBus Controller
    vendor: Intel Corporation
    physical id: 1f.3
    bus info: pci@0000:00:1f.3
    version: 05
    width: 64 bits
    clock: 33MHz
    configuration: latency=0
    resources: memory:fb304000-fb3040ff ioport:f000(size=32)

    LG LCD 'Flatron' display - made in 2010

  4. #4
    Join Date
    Jan 2013
    Beans
    525

    Re: Screen resolution wrong after latest 12.04 update

    try this.
    sudo apt-get remove --purge nvidia-current
    sudo apt-get autoremove
    sudo apt-add-repository ppa:ubuntu-x-swat/x-updates
    sudo apt-get update
    sudo apt-get install nvidia-current nvidia-settings

  5. #5
    Join Date
    Oct 2012
    Beans
    3

    Re: Screen resolution wrong after latest 12.04 update

    Thanks. That did the trick!

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