Toshiba PA3686U-1SET dynadock wireless User Manual - Page 61
Display/Video
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Troubleshooting and Support 61 Troubleshooting Display/Video NOTE For additional information on troubleshooting dynadock™ video issues, please visit the DisplayLink Web site at www.displaylink.com. Problem(s) Solution(s) External monitor does not turn on (the monitor's power light does not turn on). Make sure that the external monitor's power switch is on. Confirm that the external monitor's power cable is plugged into a live electrical outlet. Make sure that the external monitor is securely connected to the dynadock™. Check the external monitor settings. Make sure the dynadock™ is connected to your computer (wirelessly or with a USB cable) and the computer is docked (indicator light on dynadock™ is green). Refer also to the computer user's manual and to the external monitor's documentation. No image displays on the external monitor connected to the dynadock™. Try adjusting the resolution, contrast and or brightness controls on the external monitor. Make sure the external display is not set to Off in the TOSHIBA Video Dock Utility. For more information, see Using the TOSHIBA Video Dock Utility. Check that the dynadock™ is connected (wirelessly or with a USB cable) to your computer. Check to make sure that the computer is docked (the indicator light on the front of the dynadock™ is solid green). For more information, please see "Re-connecting and docking your computer" on page 36. Make sure your Windows® operating system is updated with the latest available Service Pack from Microsoft®. Your computer BIOS (Basic Input/Output System) may also need to be updated. Refer to the your computer manufacturer's Web site for more information. Restart your computer after updating the operating system and/or the BIOS, and try using the dynadock™ again. Display error. Check that the cable connecting the external monitor to the dynadock™ is firmly attached. A program window on the external monitor connected to the dynadock™ has gone black or is unresponsive. Try restarting the application. If you are performing several resource-intensive tasks simultaneously (for example, playing audio over more than two channels, recording audio, transferring large files, and using a web camera at the same time), the issue may be due to USB bandwidth limitations. To avoid these performance limitations, use two-channel audio output and/or connect fewer devices at a time.