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    cf-28 "power surge on hub port"

    Discussion in 'Panasonic' started by randymac, Nov 9, 2012.

  1. randymac

    randymac Notebook Enthusiast

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    hi
    I have a cf-28 I use with ozi explorer and a Bu-353 usb gps receiver on my atv.
    Last time out it didn't work and I thought I would try reloading the usb to serial driver from a flash drive but when i stuck the flash drive into the usb port I get "power surge on hub port" and the flash drive dosn't show up. Tried a few different drives too and same warning. It gives me the option to unplug and reset but then I get the same warning.
    Any hope for this?
     
    randymac, Nov 9, 2012
    #1
  2. Shawn

    Shawn Crackpot Search Ninja and Options Whore

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    Try a Ubuntu live cd and see if the port works. If the usb port works, then you have a software issue. If it is still fubar, then you have a hardware issue.
     
    Shawn, Nov 11, 2012
    #2
  3. mnementh

    mnementh Crusty Ol' TinkerDwagon

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    From within Device Manager, uninstall all instances of "PCI to USB Host Controller". You may have to uninstall instances of "OpenHCD USB Host Controller" and/or "USB Root Hub" first. Immediately reboot to force reinstall of drivers.


    Odds are if that doesn't fix it, you have a hardware fail.

    I have cured this in other PCs by uninstalling the PCI Standard Host CPU Bridge or PCI Bus Controller in System Devices tab in the Devices tree; this forces reinstall of pretty much everything short of the NorthBridge & SouthBridge. As Windows does the reinstall in the order it considers highest priority, this procedure often solves many problems. But with the ToughBooks, it often breaks items such as the serial port (by reassigning it a different Com port) and the Touchscreen (by reassigning the Com port) and the Misc Driver (because it is dependent on drivers which need to be installed in a specific order, so driver install fails).

    Good luck,


    mnem
    Heh heh... he sed "hardware fail"... heh heh...
     
    mnementh, Nov 12, 2012
    #3
  4. randymac

    randymac Notebook Enthusiast

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    Thanks but I don't have a cd player, only floppy drive.
     
    randymac, Nov 13, 2012
    #4
  5. ajkula66

    ajkula66 Courage and Consequence

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    You can run almost any "live" Linux distro from a (properly configured) flash drive, that would be a pretty good test for the USB ports...
     
    ajkula66, Nov 13, 2012
    #5
  6. Wyrm73

    Wyrm73 Notebook Consultant

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    Not from a CF-28- they cannot boot from a flash drive directly. It would be best to get an internal CD-ROM as they are handy to have around anyways. Short of that, it is old school floppy boot disk and then use a USB CD or flash drive.
     
    Wyrm73, Nov 14, 2012
    #6
  7. MasterBlaster2039

    MasterBlaster2039 Notebook Evangelist

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    But you do have a floppy drive. Why dont you use a bootloader for floppy, that makes it able to boot from USB stick or USB DVD-rom ?
     
    MasterBlaster2039, Nov 14, 2012
    #7