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I am trying to install a new 7-port hub. It's not working right even though my computer recognizes it. Do I have to install some new driver?

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Did you run the cd that came with the 7-port hub

Posted on May 02, 2008

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The computer can not recognize drive (unknown USB device).


Method 1 - Unplug Computer So how did I finally fix the problem? Well, if you are lucky, it's a super simple solution! Try this method first and if it works, you'll have saved a lot of time.
Simply unplug your computer from the power supply. Yes that is it! Note that this does not mean just turning off your computer using the power button because most modern computers don't actually turn off completely and the motherboard will still get power. This is useful sometimes if you want to remotely wake up a computer, etc.
The motherboard is where all of hardware of the computer connects to, including the USB ports. Sometimes the motherboard needs to be "rebooted" because things can go wrong, i.e. all or some USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again.
So first turn off your computer using the Shut Down option in Windows or pressing the power button and then UNPLUG the PC from the wall outlet. Let it sit for several minutes and then plug it back in.
Method 2 - Update Device Driver If Windows is not able to recognize the device, you may also see in Device Manager that the device shows up as an "Unknown Device". You can get to Device Manager by clicking on Start and typing in devmgmt.msc or by going to Control Panel and clicking on Device Manager.
In that case, you should right-click on Unknown Device, click on Properties, then the Driver tab and then click Update Driver.

If this doesn't work, you can also try to download the driver for your device from the manufacturer's website. If the USB device is just a flash drive, then it's probably not a driver issue. However, if you are installing a USB printer, drawing pad, etc, then it might be worth downloading the driver for that specific device.

Method 3 - Restart & Disconnect USB Devices The next thing you can try is to disconnect all USB devices and then restart the machine. once you have restarted, try to connect the USB device that was causing the problem.
If that particular USB port doesn't recognize it, try another one. If the device is recognized by a different USB port, there could be a hardware problem with one of the USB ports. If no USB port recognizes the device, then keep reading because it's probably something else.

Method 4 - USB Root Hub Another thing you can try is to open Device Manager, expand USB Serial Bus Controllers, right-click on USB Root Hub and then click on Properties.
Click on the Power Management tab and uncheck the Allow the computer to turn off this device to save power box. If you have more than one USB Root Hub listed, you need to repeat these steps for each one.
Click OK and then restart your computer. Try to reconnect the USB device and see if it is recognized. If not, go back to the power management tab for each one and check the box again. If it does recognize the device, then leave them unchecked.

Method 5 - Connect Directly to PC A friend of mine ran into this issue and the cause ended up being his USB hub. He only had three USB ports on his computer, so he bought a hub where he could connect an additional 8 USB devices.
I guess this proved too much for his computer and it just started sporadically not recognizing various devices. After removing the hub and connecting the device directly to the computer, it worked just fine.
We haven't really been able to find any other solution to this problem other than reducing the number of items connected to the hub. Actually, one other solution worked, but it meant having to buy a new USB hub with more power.
If you are having this problem with Windows 8 or Windows 8.1, then you might be in luck. Microsoft has released a fix for Windows 8 not detecting USB devices properly. Make sure to install this hotfix if running Windows 8.
Method 6 - USB Troubleshooter If nothing has worked so far, you can download the Windows USB Troubleshooter Fixit tool. It's a free tool that works with Windows XP, Vista and 7.
You can either have the troubleshooter fix the problems for you or select the fixes yourself. I would just let it fix them for you since the choices can sometimes be confusing and technical for the novice user.
Method 7 - Update Generic USB Hub If you are getting the Unknown Device error in Device Manager, you can also try one other thing. Open Device Manager and then expand Universal Serial Bus Controllers.
You should see at least one item called Generic USB Hub. On some computers, you might see two, three or more of these. Right-click on the first one and choose Update Driver Software.
When the update dialog pops up, choose Browse my computer for driver software.
When the update dialog pops up, choose Browse my computer for driver software.

Jul 10, 2015 | Transcend StoreJet 25 750GB USB Hard Drive

4 Answers

Why won't the right USB port recognize when I plug in my mouse?


Your USB ports on your computer are plug and play. If you have issues with your USB port, it is port related, driver related or device related. The following solutions will help you identify the problem to resolve your USB port issues.
To Identify a Working USB Port
Begin troubleshooting your USB ports by checking Device Manager to see if your USB ports or hubs are working properly.
  1. Click the Start button. ClickControl Panel.
  2. ClickSystem and Maintenance.
  3. ClickDevice Manager.
  4. Double-clickUniversal Serial Bus controllersand check to see if all your USB ports, hubs and controllers are functioning correctly. Any devices not functioning will have a yellow exclamation mark in front of them.
  5. If Device Manager shows any USB ports, hubs or controllers are not functioning, check for updated drivers.

To Update the USB Port Driver

An out-of-date BIOS driver can create issues with your system recognizing the USB port.
  • Watch a Video on Steps to Update Bios on Your Computer.
    1. When the update process is complete, your computer will restart again to load the operating system with the new driver version installed.

Sep 16, 2014 | Dell Inspiron Computers & Internet

2 Answers

Acer d257 usb port not working


First, please disconnect all USB devices and then perform the following steps:


Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.



In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".



Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".



Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.


hope this helps

Jul 24, 2012 | Acer Aspire One D257 Netbook

2 Answers

When my computer searches for new hardware, it recognizes it and then installs it as "Unknown Device" The device still will not work, however, because when I check it in the device manager it...


This device should be recognized automaticaly by the OS. There are some issues with Windows 7, though.
Make sure you are trying to plug it in a 2. USB port, rather than 1.1. This might cause you trouble (even though this will not be a problem if you have a new computer)
Connect the hub to the external powercord. Sometimes it is not recognized because the hub cannot drain enough energy from the port.
if you are using a desktop pc, make sure it is plugged in the rear usb ports and not at the ones up front.
refer to the manual for further assistance: http://www.dynexproducts.com/cms/documents/DX-B4PORT-B7PORT_09-0962_QSG_V4_ENG_Final_lr.pdf

May 22, 2011 | Dynex 7-Port USB 2.0 Hub

1 Answer

I can't get it to work, even though I believe I have downloaded and installed the Windows 7 driver.


have you tried plugging the device into different ports to see if its recognized. also try installing new hardware through windows to see if it gets recognized

Jan 17, 2011 | Jabra A320s Bluetooth Wireless Adapter

1 Answer

I can't seem to get the Belkin 7-port hub to work with windows 7. Whenever I plug a flashdrive into it, windows 7 doesn't give recognize the flashdrive.


windows 7 is a 64 bit OS, and still fairly new. A lot of drivers for hardware are not supporting 64 bit Operating Systems yet, maybe in the near future but right now a lot are not.
Temporarily or permanently switch to Ubuntu. I think this hub is compatible, and you can still read your Windows files in this Linux distribution.

Dec 30, 2009 | Belkin (F5U237) 7-Port USB Hub

1 Answer

Mouse will only work if directly placed in the usb port


this is really strange
i have buy a hub on chinese store and the computer recognize only the mouse, not the hub, but it works

try to install the driver if the mouse have anyone. and try to install the driver of the hub

May 18, 2009 | HP OmniBook XE2 Notebook

1 Answer

Driver


I'm a little embarrassed to say that the fix was easy. It just took me a long time to figure out. It turns out that even though the item was brand new the USB cord included was bad. When I replaced it with one I had on another item it worked fine. Thanks for the email.
Craig

May 01, 2008 | i-rocks IR-4300 4-Port USB Hub

1 Answer

SanDisk not recognized by computer


Follow these steps:
  1. Go to START > Right-click My Computer > PROPERTIES
  2. On the tabs, click Hardware > DEVICE MANAGER
  3. Press the + sign next to the Universal Serial Bus controllers.
  4. Doubble-click the first one
  5. When the new window comes up, click Drvers from the tabs, and click "uninstall"
  6. Repeat step 5 for all devices
  7. Restart your computer.
After your computer restarts, plug in your flash drive and it should work.

If that doesn't work, then the USB ports on your computer are dead. You can try to get new USB hardware at a computer store to plug into your computer (THIS IS NOT THE SAME AS A USB HUB!)

Feb 11, 2008 | SanDisk 2GB Cruzer Micro SDCZ62048A10 Hard...

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