hi and thankx for the help
i tried what u said "Switch the phone completely off. Hold volume up, home key and power key in that order until you see the Galaxy S logo, then release all buttons. You should now be in recovery mode." it didnt work
and i tried the second thing but it didnt work too couse i cant be on the download mode i cant get it to start on the download mode and the computer is not recognizing it at all what i mean is the computer is not recognizing the usb
so please help it only gives me the mobile computer pic (that i have to connect the mobile to the computer ) and i also tried to hold the updown volume key and the power key and let it blink 3 times and release the power button but it is the same
thankx again