hi all
any one have any thoughts on a 680 smart board with a epson 400w short throw projector and a stone laptop with a 2 pin iec power........ when using the pen it doesnt write a complete line it has gaps in the line.......when the com is changed to different laptop with a 3 pin iec power pack it works fine ....
only happens with the epson 400w and a 2 pin power pack for com
