HURAAAA! SOLVED New 4$ usb PCI card solved my problem with i1pro without need of any software modification As i suspect USB Voltage stabilizers or P67 compatibility was the problem. Thanks anyone 4 help. ;-) 2011/7/15 Alan Goldhammer <agoldhammer@xxxxxxxxxxx> > That can happen. I have two sets of USB ports on my computer and the i1 > pro only works on one of them. I attribute this to the problem you > describe. It is device dependent as the USB ports that it does not work on > seem fine for other devices (including ColorMunki).**** > > ** ** > > Alan**** > > ** ** > > *From:* argyllcms-bounce@xxxxxxxxxxxxx [mailto: > argyllcms-bounce@xxxxxxxxxxxxx] *On Behalf Of *M. Kupiec > *Sent:* Friday, July 15, 2011 7:51 AM > *To:* argyllcms@xxxxxxxxxxxxx > *Subject:* [argyllcms] Re: Strip read failed due to communication problem > (i1pro W7x64)**** > > ** ** > > I'm wondering if the problem is not in not enough usb power while > measuring. > I've made some measurements and there in 4,95V in pc and 5,10V in working > laptop > Seems normal but thats idle voltages > > At evening im gona to try with powered USB hub, and additional usb pci > card. > > Pozdrawiam Marcin > > > > **** > -- Pozdrawiam Marcin