>>3482751Keep trying new batteries? ¯\_(ツ)_/¯
My DSC-H2
>>3477966 decided to crap out on me one day. Like yours, turns on, then immediately cuts out. I thought the batteries were just dying, but I got the same results with a freshly charged set of batteries.
I then put in a fresh set of alkalines, and it worked. Sony would ship their cameras with NIMH cells, so it couldn't be the 1.2V thing.
Whatever the reason, I put rechargeables back in and the camera is working fine again. (pic)