Phone complete stuck on "Downloading.. Do not turn off target!!" topic

Hi
My phone, Galaxy S CM11, suddenly, during the day, reboot itself and entered by itself to download mode.
I am familiar with rooting and ROMs, and I wasn't accidentally enter to Download mode.
All day long, I searched a lot of Android forums about this kind of message, and still my phone is stuck and cannot make it out of it.
I tried all the following:
- Short and long pressing on Power itself (5,10,30 seconds)
- Pressing Power+Volume-Up, Power+Volume-Down, Power+Volume-Up+Volume-Down
- All the above plus Home
- Uninstall the battery and re-install it for a second, 5 min, 1 hour
- Uninstall SIM card and external SD card and re-install
- Change USB cables
- and try to burn new loader through Odin3 but the PC doesn't recognize the phone
- re-install Samsung phone drivers
- re-install Odin application

noting, nothing, nothing !

I am so desperate :crying::crying::crying:

Has my phone bricked itself?