If you receive the error "USB Device Not Recognized" on the computer, the player is most likely failed. If there is nothing showing on the screen and the player does show up in as a storage device in an explorer window, then the screen is just not working. Ensure you are connecting directly to the computer USB port and not to a USB hub. If the player does not turn on try other USB ports or on another computer if one is readily available. The screen on your player should turn on, show 'Connected' and indicate the battery charging or full. If you are using Windows Vista: If the player is seen in My Computer when using MTP mode, but not showing in Windows Media Player. If you are using Windows XP: verify the following operating system requirements are met.ĭownload and install the latest Windows Media Player if it's not installed. I use the Procomm Plus to connect to an RS232 of a PBX to program the system. I have an adapter usb to RS232 and works fine with a program that i use for Valcom intercom products. The program doesnt show me or allow me to add a usb port or to program a usb port for the connection. When i tried to configure the port to connect to an external RS232, the program gave five choices comport 1 to 4 and modem card port. I installed a procomm plus 4.7 into a notebook that has a parallel com port, a vga port a keyboard port and svideo port.
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