Hi Graeme, > Seems like some problem with USB. Is the Spyder plugged directly into > the computer (ie. not via a hub) ? Have you tried various USB ports > on your computer ? (The Spyder is known to have problems with USB). Yes I tried different settings: * direct to my onboard-usb-bus * direct to my pci-usb-adaptor-card * through an activ usb-hub I'm using argyllcms with the libusb for windows, it recognizes the spyder without problems: bus-0/\\.\libusb0-0002--0x085c-0x0200 085C/0200 - Manufacturer : ColorVision Inc. - Product : ColorVision Monitor Spyder wTotalLength: 25 bNumInterfaces: 1 bConfigurationValue: 1 iConfiguration: 4 bmAttributes: 80h MaxPower: 50 bInterfaceNumber: 0 bAlternateSetting: 0 bNumEndpoints: 1 bInterfaceClass: 255 bInterfaceSubClass: 0 bInterfaceProtocol: 0 iInterface: 5 bEndpointAddress: 81h bmAttributes: 03h wMaxPacketSize: 8 bInterval: 10 bRefresh: 0 bSynchAddress: 0 Are there any specific settings I have to set? I guess not, because I found no hint on this. -- Der GMX SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen! Ideal für Modem und ISDN: http://www.gmx.net/de/go/smartsurfer