Originally Posted by Ancient_One
Had this issue myself.
I disconnected everything. Restarted the computer.
Opened the back of the phone and removed the microsd card, sim and battery.
Put the battery back in. Placed the phone in download mode.
Started ODIN and entered all the files then connected the phone to the computer and flashed as per normal.
If you don't get into recovery mode by pressing volup+home+power, you are just pressing them too long or short or alternatively didn't turn off the phone before trying it (not necessary but makes it a lot easier)
The symbol of the phone with the
and the pc is NOT a "cannot connect" screen it is a "DO CONNECT" screen. Restart in download mode (if necessary by removing the battery as above) and reflash!