hi everyone, and thanks for your contribution !
I have a IXUS125HS (ELPH110)
http://chdk.wikia.com/wiki/ELPH110HSand I've DL the firmware ixus125_elph110hs-100d-1.2.0-3297-full_ALPHA
according to the infos I've received from the camera.
I've managed to Load the CHDK, and everything was working fine, I could even run the timelapse scripts.
that was 8 months ago….
screen pic below
https://www.dropbox.com/s/ot5a8csizu49tg0/CHDK_Jan.JPG?dl=0since them, I've formatted the SD card because I ran out for memory cards for my other camera.
what a mistake.
for some reasons I ignore, I've tried to prepare re-do all the set-up, unsuccessfuly !
I'm truly dumb, or my souvenirs are bad.
Mac User, using SDMInst Application to prepare the card.
I understand better French than English, but I'll do my very best to follow your advices,
thanks for your help.