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4 Port USB2 Triangular Hub HU-4840 is no longer being recognised by my computer

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Humm u need to format your pc & reinstall os try to connact if problem occers then u have to change the usb prot its has been short

Posted on Sep 06, 2008

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When you connect something to an USB port for the first time, don't hope to much. You have to be sure the computer has the correct software to recognise the hardware and can work with it. From Windows 7 and up, for most hardware that is certified with Microsoft, you can download the drivers from Microsoft. Lots of hardware is recognised when connected and will initiate a download from Microsoft. But not all hardware will do so and not all hardware is compatible with the new operating systems.
So to make sure your hardware is compatible, check the manual and find out, what you have to do so it will work on your computer.
If your device was working on a USB2 port, it also should work on an USB3 port, on the same computer. But don't expect another speed, because the slowest part decides the speed.

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Usually it's best to consult manufacturer's info on your computer. If not available, you can check it by going to start menu>settings>control panel>system>device manager and then look for "universal serial bus controllers" - several devices should be visible here and if you have USB2 it will be clearly stated (e.g. something along the lines of "USB2 Enhanced Host Controller").
Generally I would say if your computer is less than 4-5 years old, it will probably have USB2.
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I had the same problem with my Coby MP822-4G when plugged into the USB2 hub on my monitor. Coby tech support suggested using one of the USB2 ports at the rear of my computer. I had to explore the USB2 ports to find one that allowed the computer to recognize the drive. I suggest plugging your cable directly into the computer and not use a USB hub at first.

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Hi,

Appreciate the direct "Ask Me".

A couple of ideas:
  • initially, confirm that it is the PC's USB ports that is the issue by trying the WD on another PC;
  • try plugging in a flashdrive, camera to your PC's USB port;
  • if it has been verified that the WD works in other PCs and that the USB port of your computer works, then it could be a registry entry.
Please open "regedit":
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  • If the DWORD "Start" does not exist, pls create it. Right click, New, DWORD value, Start, Value Data = 3.
Incidentally, there is Microsoft KB about disabled/disabling USB here.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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I had this same problem, it worked then just stopped. So i bought a new USB card and that worked fine. But know all the old USB ports works aswel. Weird...

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I have bought a 4 port triangular hub for my laptop which a has a windows xp operating system but when i plug it in the computer won't recognise it. I tried to install by "adding new harware" but...


Try other ports in your laptop aside from the one you tried to plug into. Some USB plugs do not plug well into the USB port. It may be a factory defect. If it is still under warranty, you may have it replaced. Make sure you bring your laptop with you when you do this to make sure the new USB hub works.

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