Hi I have a following problem, that I have described on sourceforge http://sourceforge.net/tracker/?func=detail&aid=3155723&group_id=257092&atid=1127028 I made recomendation, and ran "dispcal -v -D6 test" on command line. Dispcal returned me following text: -----start quoting----- Found 1 screens Setting up the instrument usb_get_paths about to look through devices: usb_check_and_add() called with VID 0x5ac, PID 0x8005 usb_check_and_add() called with VID 0x5ac, PID 0x8005 usb_check_and_add() called with VID 0x5ac, PID 0x8005 usb_check_and_add() called with VID 0x971, PID 0x2000 usb_check_and_add() found known instrument usb_check_and_add() called with VID 0x5ac, PID 0x8005 usb_check_and_add() called with VID 0x5ac, PID 0x8240 usb_check_and_add() called with VID 0x5ac, PID 0x8006 usb_check_and_add() called with VID 0x5ac, PID 0x1006 usb_check_and_add() called with VID 0x5ac, PID 0x8501 usb_check_and_add() called with VID 0x5ac, PID 0x221 usb_check_and_add() called with VID 0x5ac, PID 0x304 i1pro: About to init coms i1pro: About to init USB icoms: About to set usb port characteristics icoms: About to open the USB port icoms: USB port needs opening icoms: About to open USB port 'usb:/bus93/dev2/ (GretagMacbeth i1 Pro)' dispcal: Error - Configuring USB port 'usb:/bus93/dev2/ (GretagMacbeth i1 Pro)' to 1 failed with -4 (No such device (it may have been disconnected)) -----end quoting---- Different profiling software recognizing instrument, and giving able to profiling. Could you provide some solution? Thanks felix ---------------------------------------------------------------- Walenty rozdaje prezenty! Co minute inny prezent! Sprawdź >> http://linkint.pl/f28f8