Viking InterWorks 56K manual Troubleshooting, Universal Serial Bus USB Basics

VIKING COMPONENTS 56K USB MODEM USER’S GUIDE

5 Troubleshooting

This chapter will cover some solutions to some common problems you may expe- rience when installing your Viking USB modem. Some solutions may not apply to your operating system or may not be listed. If your problem is not answered in the following sections, please proceed to page 31, on contacting Viking for sup- port. For software problems, please refer to the communication software “User Guide”for solutions.

Universal Serial Bus (USB) Basics

If you are having problems with one or multiple USB devices, try the following:

•Plug the modem into another USB port on your system.

•If the modem is connected to a self-powered hub, try unplugging one or more devices from the hub.

•If the modem is connected to a self-powered hub, make sure the hubs power cord is plugged into a working electrical outlet.

•If the modem is connected to a self-powered hub, try plugging the modem into another port on the hub.

•Unplug all USB devices from your computer except your keyboard* and mouse*. Plug one device in at a time to determine which device is the problem. Once the problem device has been determined:

There may be something wrong with the cable connecting the device. If possible, borrow a cable that you know works with another similar device. Connect the cable to the device,then connect the device to your computer. If the device works using the borrowed cable, then you need to replace the cable.

*If an USB device

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