I do see my back up properly.
I have tried to do with the Zip and unzipped SuperROM_v3.0 but it doesn't appear in both case...
Should I tried with WCM manager ?
I have clicked on ''Flash stock Firmware' from CWM Manager and it says the following
Firmware directory not found.
Create a firmware directory on your external SD card and put the files to flash in there. If you have already done so, please make sure the external SD card is not mounted to your computer.
Maybe it is actually mounted to my computer, how can I change that.