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I have a brand new U270 model MS-1245, with Ubuntu 12.04 installed. Everything is working fine except the 2 USB2 ports on the right side. These ports seem totaly deactivated, since they give no power even during boot, they are not bootable (with a FreeDOS key or an Ubuntu install key), and plugging or unplugging a usb device has no effect on dmesg or lsusb.

On the oposite, the USB3 port on the left side is fully functional and bootable

I tried to flash the BIOS and FIRMWARE with the latest version with no effect on this problem. The System Information Panel in BIOS shows : Firmware Information BIOS Build E1245AMS, Ver1.0K, 12/30/2011 EC Build 1245EMS1 Ver4.08, 01/06/2011

Some outputs of lsusb and dmesg follow.

Thanks for your help.

Ergatif

    $ lsusb
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 002: ID 0bda:0139 Realtek Semiconductor Corp. 
    Bus 003 Device 003: ID 046d:c03e Logitech, Inc. Premium Optical Wheel Mouse (M-BT58)

    $ dmesg | grep -i usb
    [    0.326052] usbcore: registered new interface driver usbfs
    [    0.326077] usbcore: registered new interface driver hub
    [    0.326154] usbcore: registered new device driver usb
    [    1.343636] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [    1.343833] ehci_hcd 0000:00:12.2: new USB bus registered, assigned bus number 1
    [    1.352243] ehci_hcd 0000:00:12.2: USB 2.0 started, EHCI 1.00
    [    1.352718] hub 1-0:1.0: USB hub found
    [    1.353221] ehci_hcd 0000:00:13.2: new USB bus registered, assigned bus number 2
    [    1.364250] ehci_hcd 0000:00:13.2: USB 2.0 started, EHCI 1.00
    [    1.364774] hub 2-0:1.0: USB hub found
    [    1.364953] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
    [    1.365320] ohci_hcd 0000:00:12.0: new USB bus registered, assigned bus number 3
    [    1.424712] hub 3-0:1.0: USB hub found
    [    1.425238] ohci_hcd 0000:00:13.0: new USB bus registered, assigned bus number 4
    [    1.484713] hub 4-0:1.0: USB hub found
    [    1.484882] uhci_hcd: USB Universal Host Controller Interface driver
    [    1.485318] xhci_hcd 0000:06:00.0: new USB bus registered, assigned bus number 5
    [    1.486214] hub 5-0:1.0: USB hub found
    [    1.486662] xhci_hcd 0000:06:00.0: new USB bus registered, assigned bus number 6
    [    1.489358] hub 6-0:1.0: USB hub found
    [    1.504375] usbcore: registered new interface driver libusual
    [    1.664271] usb 1-4: new high-speed USB device number 2 using ehci_hcd
    [    2.102457] Initializing rts5139 USB card reader driver...
    [    2.127429] scsi4 : SCSI emulation for RTS5139 USB card reader
    [    2.131741] usbcore: registered new interface driver rts5139
    [    2.131747] Realtek rts5139 USB card reader support registered.
    [   87.064363] usb 3-1: new low-speed USB device number 2 using ohci_hcd
    [   87.324765] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:12.0/usb3/3-1/3-1:1.0/input/input10
    [   87.325385] generic-usb 0003:046D:C03E.0001: input,hidraw0: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:12.0-1/input0
    [   87.326934] usbcore: registered new interface driver usbhid
    [   87.326943] usbhid: USB HID core driver


    $ dmesg | grep -i error
    [    0.171919] ACPI Error: No handler for Region [EC__] (ffff880138632a20) [EmbeddedControl] (20110623/evregion-373)
    [    0.171931] ACPI Error: Region EmbeddedControl (ID=3) has no handler (20110623/exfldio-292)
    [    0.171941] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SBRG.EC__._REG] (Node ffff880138633820), AE_NOT_EXIST (20110623/psparse-536)
    [    0.172176] ACPI Error: No handler for Region [EC__] (ffff880138632a20) [EmbeddedControl] (20110623/evregion-373)
    [    0.172187] ACPI Error: Region EmbeddedControl (ID=3) has no handler (20110623/exfldio-292)
    [    0.172196] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SBRG.EC__._REG] (Node ffff880138633820), AE_NOT_EXIST (20110623/psparse-536)
    [    3.019287] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro`
share|improve this question
If the ports don't work with the bundled Windows, then you have a manufacturing defect. Return and/or replace. – izx Jul 15 '12 at 1:44
Thanks a lot izx. You led me to the good track. It was a hardware problem : the kind i like : a disconected connector. The USB2 ports are on a separated card solded to the back cover. I just had to push the wire web a little further and clip the connector... – ergatif Jul 15 '12 at 22:07

closed as too localized by Bruno Pereira♦ Jul 16 '12 at 9:53

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