Powershot sd750 in water

Unfortunately with water damage the camera may work for a few days or even weeks after you first dry it out, but then it will stop working completely. If you have corrosion from water exposure then the camera is gone, it's not worth trying to fix. Even if you replace the main PCB it probably has damage to the lens, LCD screen and flash as well.

Thomas Drayton
Owner, Darntoothysam.com Digital Camera Repair

Hi,

If this is the case, the camera might have internal damage. Might be better to send it back to Canon delears/shop for repair. Please try below link

Canon

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in many cases the reason is the battery door is not closed properly.

Replace the USB cables, it should work..........

the lens has to be replaced repair cost is 85.00 for this to be done.

yes there is a internal battery the camera has to be opened up to replace it. we replace the battery on this model for 45.00

your camera has one of two issues.

1. blown fuse this requires micro serface mount soldering.
2. bad battery door switch

if you can not repair this or reather a shop do it we charge 75.00 plus shipping to fix it for you.

This is only a good price if their is no water damage and no lights come on at all.

Diagnosis is free.

Hi
There are several things that could cause this. 

1- Check the battery door indicator switch under the battery door and beside the memory card slot. Is the little black switch damaged or missing? Try pressing down gently using a pen it with the door open and then press the power button. Does it turn on?

2- The fuse has blown and needs to be replaced. Offhand I don't recall where it is on the SD750 PCB or how hard it is to solder on a new one (depends on if its tricky to get at or not). Good thing is fuses are really cheap.

3- Other power problem with the PCB due to corrosion or impact damage. The PCB or 'motherboard' of the camera will need to be replaced.

My guess is that you damaged it by inserting the battery prior to properly drying the camera. Chances are that you shorted something out when you powered up with water still inside the camera and if that is the case I would suggest placing the camera in a sealed bag/tupperware with some dessicant (a material that removes moisture form the air) and the battery compartment left open (and the battery out). Try powering it up after several days, I doubt it will work, but it won't hurt trying. Then call Cannon to see how much it will cost to get serviced. DO NOT MENTION ANYTHING ABOUT DROPPING IT IN WATER. Just say it stopped working one day. I really suggest using a dessicant because if they open it up to fix it and find any noticable water, you will be SOL and it won't be covered under warranty.