login nokia care suite

Hey i need a help from you..i also got a nokia lumia 510 and i have also downloaded the 7.8 firmware from navifirm but when im trying to update it through the nokia care suite application, its not getting detected and remaining in offline mode..i had also installed win2usb drivers and also copied the firmware in the correct directory in program data\nokia\packages\products..but after all wen ... laravel facebook login