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Troubleshooting
1. I inserted the Utility CD-ROM into my computer's CD-ROM Drive but the installation menu
does not appear automatically. What should I do?
1.
For Windows XP, if the window does not appear automatically, click Start, click Run and
type D:\autorun.exe where "D" in "D:\autorun.exe" is the letter assigned to your CD-ROM
Drive, and then press the ENTER key on your keyboard.
2. For Windows 7/ Vista, if the installation menu does not appear automatically, click on
the Windows Icon on the bottom left hand corner of the screen, click on the "Start Search"
box, and type D:\autorun.exe, where "D" in "D:\autorun.exe" is the letter assigned to your
CD-ROM Driver, and then press the ENTER key on your keyboard.
2. The utility does not detect the TU2-NU4. What should I do?
1.
Double check your hardware connections; make sure that the TU2-NU4 is powered ON
and properly connected. Make sure the RJ-45 network cable is securely connected to the
TU2-NU4 and Switch/Router.
2. Disable any software firewall programs such as ZoneAlarm or Norton Internet Security. If
your computer is running Windows XP or Vista, disable the built-in firewall.
3. Click Search to refresh the utility.
4. Power cycle the TU2-NU4. Unplug the power to the TU2-NU4, wait 15 seconds, then plug
the TU2-NU4 back in.
3. The utility does not detect my USB device. What should I do?
1. Make sure the USB device is properly connected to the TU2-NU4.
2. Plug your USB device into another USB port.
3. There may be something wrong with the USB device. Verify that the USB device is
working properly by plugging it into a USB port on your computer.
4. The USB device is incompatible with the TU2-NU4. Please Note: The TU2-NU4 does not
support USB hubs.
4. I am unable to connect to my USB device. What should I do?
1. Another user may be connected to the device. Left click on the USB device and click
request to disconnect. If the request is denied, wait 3 minute and repeat this step.
2. If the user is idled, please wait 3 minutes minutes. The user will be automatically
disconnected.
3. Unplug the power to the TU2-NU4 and plug the power back in. This should disconnect the
user who was previously using the USB device.
5. When I try to configure the TU2-NU4, the message "Warning: Devices are currently busy.
Configuring this server while devices are busy is prohibited" appears. What should I do?
1. Wait until all USB devices have been disconnected.
2. Power cycle the TU2-NU4 to force all USB devices to be disconnected.
If you still encounter problems or have any questions regarding the TU2-NU4, please refer to the
User's Guide included on the Utility CD-ROM or contact TRENDnet's Technical Support
Department.
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