Question about IBM (250410U) Docking Station for ThinkPad

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When connecting laptop to docking station, message pops up: unknown usb, restoring to an earlier point does not fix the problem.

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Dear bansaii2002,
Try to uninstall the docking station by running the uninstall on Device Manager on your computer properties, then Click the Scan For Hardware Changes On Device Manager to find them back!
This is How:
Start>My Computer>(then Right Click to open the context menu)>Choose the 'Properties'>On My Computer Properties Box>Choose the Hardware Tab>Then Click on Device Manager>>> Then Do what I just suggest above!

Good Luck!

Best Regards,
bionic23

Posted on Dec 12, 2009

  • bionic23
    bionic23 Dec 12, 2009

    Dear bansaii2002,
    Try to uninstall the docking station by running
    the uninstall on Device Manager on your computer properties, then Click
    the Scan For Hardware Changes On Device Manager to find them back!
    This is How:
    Start>My
    Computer>(then Right Click to open the context menu)>Choose the
    'Properties'>On My Computer Properties Box>Choose the Hardware
    Tab>Then Click on Device Manager>>> Then Do what I just
    suggest above!

    Good Luck!

    Best Regards,
    bionic23

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1 Answer

Will a kensington universal docking station work with my sony vaio pcg-7d2l


Yes it should if you are running Windows XP, Vista, 7 or 8. You just connect to the unit using a spare USB port on your laptop and a plug-plug USB cable. It has it's own power so you'll need a mains socket. This means you can unplug your laptop and leave any devices charging on the docking station USBs. Your laptop should auto-instal the station. I believe there is a table/support available which combines with this unit. There a varying prices for this unit so look around.
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IBM ThinkPad T40, when connected to docking station the laptop will randomly stop working with USB connected items like mouse, keyboard, printer all connected to USB ports on docking station.


Try a power adapter with more amperage. When you connect a dock, the 3 amp adapter that comes with IBM laptops will not have enough power for lots of add-ons. You'll need the 4 amp adapter.

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How can i update dell dock?


A docking station is an extension or addition of ports for a laptop computer. Once the portable computer is docked, you can access the docking station's ports, such as PS/2 or USB 2.0 ports, through your computer. Some docking stations have monitors that you can connect your computer to, placing your video on an external screen so you can turn off your computer's monitor and conserve some of your computer's energy. All Dell docking stations will have the same general troubleshooting steps.

Plug your laptop's power adapter into the docking station and dock your laptop onto/into the docking station. If there is no power going to your laptop from the docking station but it works when the power adapter is plugged into the wall, the docking station is bad and needs to be replaced. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power goes on but your computer doesn't recognizes accessories such as a USB mouse--plugged into the docking station, try a different port on the station. If it works in a different port, the previous USB port is burned out. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized, you might have a corrupted docking profile. Undock the computer and dock it again once it has fully started up to reset the docking profile. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If you have an external monitor and it is not working, completely close the lid on the laptop so the image will move to the external monitor. Plug your power adapter into the docking station and dock your laptop onto/into the docking station. If power is going through the docking station but no accessories are being recognized and resetting the docking profile fails, update all drivers through Dell's support website and then re-dock the computer. Some of the software that runs the hardware may have become corrupted. Hope this helps

b>

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1 Answer

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I would recommend that you undock the laptop, go into the Printers and Faxes console, and delete the printer. Then, dock the laptop, connect the USB cable to the dock and then re-install the printer through the dock. The USB ports on the laptop are assigned different hardware values than the PCI interface of the dock, and if the laptop is trying to print to a local USB port, it may not find the printer if it's connected through a PCI interface like the dock. That'd be my next move.

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1 Answer

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Try removing the laptop, unlug the power to the dock and wait a few minutes, then connect the power now put your laptop back on the dock.
I hope this helps.
Have a good day and good luck.

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2 Answers

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Try updating to BIOS to version A16 from http://support.dell.com Ensure you are not attached to the docking station when flashing the BIOS. Once updated, connect the 90W adapter to the docking station, connect your laptop to the dock, and power on using the docking station power button.

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1 Answer

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To find out if it's the windows update that did it, you could to a system restore. Press the start menu -> Programs -> Accessories -> System Tools -> System Restore. Then you choose Restore computer to an earlier time. This will give you a small calendar, which have some numbers in bold font. Choose the latest restore point.

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1 Answer

How does a USB docking station work w/ a regular docking station


the older pc probably needs a usb 2.0 port to run docking station. the manual on the docking station should tell you. you may need to install a usb 2.0 pci card in your older computer for it to work.

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