Ultrasonix troubleshooting

Troubleshooting the Ultrasonix system

The major problem we have with the Ultrasonix Tablet is that the built-in display often flickers and sometimes goes dark. An external monitor is located next to the Ultrasonix to work around this issue, and a second monitor is located in the soundbooth. These are attached to the Ultrasonix machine's single external display port via a splitter.

Unfortunately, if both external monitors are plugged into the video splitter when the Ultrasonix is turned on, then neither monitor will be detected. To avoid this problem, follow the instructions for starting Ultrasonix *exactly*.

If the built-in screen has gone dark and the external displays are also dark, try these steps:

• Make sure the external monitors are powered on.
• Unplug both of the external monitors' video connectors from the splitter, then plug them back in.

If there is still no display, it is possible that the Ultrasonix has chosen a video mode that the external monitors are not capable of displaying. Normally in this situation you will notice that the external monitors will display the Ultrasonix splash screen and boot options on a restart, then go dark when Windows begins starting. The following steps should fix this situation.

• If the built-in monitor is dark, wait at least 60 seconds after boot for Windows to finish starting. Press Ctrl-Shift-t (all three keys simultaneously), which should force the external monitor to be used as the primary display and turns off the built-in display. Now you should be able to see what you are doing.
• To enable display to both the built-in and external monitors, press Ctrl-Alt-F12 (all three keys simultaneously) to pull up the Intel Graphics Control Panel. Under General Settings select the Clone Dell 1905FP profile and click OK.