(K) O Ubuntu 12 não detecta meu monitor conectado via Display Port

1

Eu tenho uma VGA e duas portas de exibição no meu computador. O monitor VGA funciona bem, mas ao conectar um segundo monitor ao DP (com o uso do DVI - > adaptador DP) não consigo fazê-lo funcionar. A conexão do monitor não é visível.

Não faço ideia do que posso fazer sobre isso. Abaixo, estou colando informações que podem ser úteis.

xrandr

VGA1 connected 1280x1024+0+0 (0x47) normal (normal left inverted right x axis y     HDMI1 disconnected (normal left inverted right x axis y axis)
    Identifier: 0x43
    Timestamp:  18369
    Subpixel:   unknown
    Clones:    
    CRTCs:      0 1 2
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    Broadcast RGB:  Full
        supported: Full         Limited 16:2
    audio:  auto
        supported: off          auto         on          
DP1 disconnected (normal left inverted right x axis y axis)
    Identifier: 0x44
    Timestamp:  18369
    Subpixel:   unknown
    Clones:    
    CRTCs:      0 1 2
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    Broadcast RGB:  Full
        supported: Full         Limited 16:2
    audio:  auto
        supported: off          auto         on          
HDMI2 disconnected (normal left inverted right x axis y axis)
    Identifier: 0x45
    Timestamp:  18369
    Subpixel:   unknown
    Clones:    
    CRTCs:      0 1 2
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    Broadcast RGB:  Full
        supported: Full         Limited 16:2
    audio:  auto
        supported: off          auto         on          
DP2 disconnected (normal left inverted right x axis y axis)
    Identifier: 0x46
    Timestamp:  18369
    Subpixel:   unknown
    Clones:    
    CRTCs:      0 1 2
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    Broadcast RGB:  Full
        supported: Full         Limited 16:2
    audio:  auto
        supported: off          auto         on          

lspci -v

00:00.0 Host bridge: Intel Corporation Ivy Bridge DRAM Controller (rev 09)
        Subsystem: Dell Device 0577
        Flags: bus master, fast devsel, latency 0
        Capabilities: [e0] Vendor Specific Information: Len=0c <?>
        Kernel driver in use: agpgart-intel

00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) (prog-if 00 [VGA controller])
        Subsystem: Dell Device 0577
        Flags: bus master, fast devsel, latency 0, IRQ 43
        Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at f000 [size=64]
        Expansion ROM at <unassigned> [disabled]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 2
        Capabilities: [a4] PCI Advanced Features
        Kernel driver in use: i915
        Kernel modules: i915

00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) (prog-if 30 [XHCI])
        Subsystem: Dell Device 0577
        Flags: bus master, medium devsel, latency 0, IRQ 41
        Memory at f7c20000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: [70] Power Management version 2
        Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
        Kernel driver in use: xhci_hcd

00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
        Subsystem: Dell Device 0577
        Flags: bus master, fast devsel, latency 0, IRQ 44
        Memory at f7c3c000 (64-bit, non-prefetchable) [size=16]
        Capabilities: [50] Power Management version 3
        Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Kernel driver in use: mei
        Kernel modules: mei

00:16.3 Serial controller: Intel Corporation Panther Point KT Controller (rev 04) (prog-if 02 [16550])
        Subsystem: Dell Device 0577
        Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19
        I/O ports at f0e0 [size=8]
        Memory at f7c3a000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Kernel driver in use: serial

00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (rev 04)
        Subsystem: Dell Device 052c
        Flags: bus master, fast devsel, latency 0, IRQ 42
        Memory at f7c00000 (32-bit, non-prefetchable) [size=128K]
        Memory at f7c39000 (32-bit, non-prefetchable) [size=4K]
        I/O ports at f080 [size=32]
        Capabilities: [c8] Power Management version 2
        Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [e0] PCI Advanced Features
        Kernel driver in use: e1000e
        Kernel modules: e1000e

00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
        Subsystem: Dell Device 0577
        Flags: bus master, medium devsel, latency 0, IRQ 16
        Memory at f7c38000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Capabilities: [98] PCI Advanced Features
        Kernel driver in use: ehci_hcd

00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
        Subsystem: Dell Device 0577
        Flags: bus master, fast devsel, latency 0, IRQ 45
        Memory at f7c30000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [130] Root Complex Link
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd-hda-intel

00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
        Subsystem: Dell Device 0577
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at f7c37000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: [50] Power Management version 2
        Capabilities: [58] Debug port: BAR=1 offset=00a0
        Capabilities: [98] PCI Advanced Features
        Kernel driver in use: ehci_hcd

00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
        Subsystem: Dell Device 0577
        Flags: bus master, medium devsel, latency 0
        Capabilities: [e0] Vendor Specific Information: Len=0c <?>
        Kernel modules: iTCO_wdt

00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
        Subsystem: Dell Device 0577
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 40
        I/O ports at f0d0 [size=8]
        I/O ports at f0c0 [size=4]
        I/O ports at f0b0 [size=8]
        I/O ports at f0a0 [size=4]
        I/O ports at f060 [size=32]
        Memory at f7c36000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [70] Power Management version 3
        Capabilities: [a8] SATA HBA v1.0
        Capabilities: [b0] PCI Advanced Features
        Kernel driver in use: ahci

00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
        Subsystem: Dell Device 0577
        Flags: medium devsel, IRQ 10
        Memory at f7c35000 (64-bit, non-prefetchable) [size=256]
        I/O ports at f040 [size=32]
        Kernel modules: i2c-i801
    
por kappa 10.07.2013 / 14:23

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