REINHARDT System- und Messelectronic GmbHBergstr. 33 86911 Diessen-Obermühlhausen Postfach 12 41 D-86908 Diessen Tel. 08196 - 934100MWS_55_e.indb Page 40geändert am 26.10.2017 von DOManual MWS 55 / MWS 88 / MWS 10 and Sensors 55to table of contents4.3.2.2 Microsoft Ballpoint instead of MWS USB Virtual COMWindows often wrongly installs a driver for "Microsoft Ballpoint Mouse" when connecting a USBdevice althogh there is no mouse connected at all.This results in malfunction of the driver for the MWS 55.The problem may be solved by a change in the registry.To perform you start the registry editor by pressing the WINDOWS KEY + R and then type re-gedit and press OK.In the next window you choose YES.In the Registry editor you navigate to the following key:HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Sermouse\and right click on Start and choose modify.Increase the value, i.e. to 30.This should prevent Windows from searching for a serial mouse at COM-ports below 30 andwrongly installing the driver for the serial ballpoint mouse.
