Have G7, Vista, 32MB, 512MB cards. Started by trying to establish firmware version. Manually created ver.req. Started in play mode, screen said 'No image', pressing set & display did nothing. Started again using Card Tricks, nothing. Changed cards and tried again, nothing. Screen still said 'No image'.
CHDK file is same for all firmware versions so went ahead anyway. Used Card Tricks, only problem was the CHDK.zip was saved somewhere unexpected. However, files seemed to be added properly so write protected card and switched on. Less than nothing. No reaction from camera at all. Had to remove battery to return to normal. (A list of files to be expected could be useful)
Started again from scratch with another card. Same results.
CHDK sounds great I only wish I could see it in action.
Where do I go next (politely please!)
jeb10