Try plugging it into another usb port and before you do that open my computer and see if you can see it in the my computer window. if not try another computer and if it doesnt work the usb drive is defective
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Open the lan card properties and open the tab configure. Go to the advance option and look for Link speed and Duplex option. From left pane choose the value 10Mbps/Half Duplex. The Lab connection will be enabled. Also enter the IP address and DNS settings if required.
Connect some text-based terminal emulator such as Hyperterm, telnet,VT100, etc to the serial port. Configure the emilator to19200 Baud 8 plus none.
Switch the 4924 on and login using the user "recover" (without quotes) and password "recover" (also without quotes.
The switch will go into recovery mode. It will display a count-down starting at 30 seconds. If you power thye switch off before the count is up, the default password for the main administration account "admin" will be cleared.
After a few seconds, power the switch on and set a new admin password.
After loigging in again, take the option "GettingStarted". Configure the ip settings (best to use a static address) and eventually you will get to the "Initialize" option. Enter yes, and after reboot it will be at factory except for its ip address.
Remove and reinstall all USB controllers
To remove and reinstall all USB controllers, follow these steps:
Click Start, click Run, type sysdm.cpl in the Open box, and then click OK.
Click the Hardware tab.
Click the Device Manager button.
Expand Universal Serial Bus controllers.
Right-click every device under the Universal Serial Bus controllers node, and then click Uninstall to remove them one at a time.
Restart the computer, and then reinstall the USB controllers.
Plug in the removable USB storage device, and then test to make sure that the issue is resolved.
Have you install the driver first before connecting it? Check out the Device manager entries if showing any yellow mark?
Goto start --> Run --> type in there --> devmgmt.msc
this will open up the Device manager.
Check it and let me know. Have a nice day
After installing the USB controller card into a PCI slot inside your computer, connect the 4 port hub to it with the supplied cable. (at the back of the computer)
Do not connect the DVD Recorder to the old usb ports. They will still work, but obviously not 2.0.
Connecting the power supply for the hub is optional, but usually a good idea.
If your computer still doesn't recognize the hub, make sure you have all of the latest windows updates and try running Add New Hardware in control panel. Also, just unplugging the hub and plugging it back in will sometimes work. Use a different port on the controller card if necessary.
As a last resort, you may need to disable the onboard usb controller through your system bios.
Normally the USB hub is design to connect to the device that doesn't consume electricity like handy drive,MP3 player.So in your case the multifunctional printer, I think this one really need a direct connection to your PC,instead of going through USB hub.Try to move some other device to connect to this hub and connect your printer directly to PC..due to many restriction with printer like electricity,port,etc...
I recommend you not to try to open it. The made it difficult to open for one reason and that is to prevent anyone to fix it so you have to buy another one but if you are experiencing problems of connectivity try this: remove the screws (if any) from the enclosure use a flat screw drive and insert it on the side of the casing's edge (right in the thin gap) apply little pressure and then push the screw driver down then up slightly, do this all around the case and with some patience you may get it open if you must use another flat screw driver to stick it on the part is already opened to keep it from closing back. Do this at your own risk there is no warranty you will be able to fix it once opened. I recommend you buy a D-Link hub they are reliable not to expensive, also easy to open. Good Luck!
Sounds like you may need what is called a "Crossover Cable' connecting your router to your hub, or if either device has an uplink port, use it on one device to connect to normal port on other device. Here are instructions for making your own cables: