Camera won't come up has charged batteries in it, door is latch, will occassionally come on, but most time will only come on when put pressure against door-camera only 3yo has never been dropped or go

Take a screw driver and I’m the door jam there is a latch put the screw driver in the whole where it would hit the stricken and at the same time pull the door release and put pressure against the latch in the same motion it would be if you was having to open the door .
Be sure you are pulling the latch toward the vehicle not toward the door it should rotate and look like a small deity a opening for the stricken to make contact. It is the rotating part that latches the striker and hold the door closed. So if you don’t see the shape of a C in the door latch it is closed already and you need it to be opened to allow the striker to connect the too. When closed it rotates the C upward and you can only see a gap in the latch place the screwdriver in the gap area

Hello Pam, You have either a faulty contact for the battery or your battery is suffering from age. After time these camera batteries lose their capacity. Try a new fully charged battery.
Best Regards, Russell

see this causes and fix it. God bless you
Open Lever If the microwave door won't open the open lever might be broken. This part can be replaced separately.

Door Spring If the microwave door won't open the door spring may have broken. The door spring is located inside the door and keeps downward pressure on the door hook.

Door Latch If the microwave door won't open the door latch might be broken. The door latch is inside the microwave. The door hook, which is part of the door, engages with the latch to keep the door closed during operation. If the door latch or actuator breaks the door may not open.

Door Hook If the microwave door won't open the door hook might not be releasing properly. The door hook is installed inside the door and normally releases when the door is opened. The hook is made of plastic and will break over time. When this happens it will need to be replaced, it can't be repaired.

Button Spring If the microwave door won't open the button spring might be broken internally. The button spring can be replaced.
Button If the microwave door won't open the button might be broken internally. The button can be replaced.

Handle Actuator If the microwave door won't open the handle actuator might be broken. This is a plastic part which can become brittle over time. This part is connected between the door button and the door latch assembly.

Be sure your battery is in the right way. Try reversing it. My battery has 3 rounded corners and one square corner. The square corner goes against the latch.

I have the same problem. Canon support claims they have never had this problem before, but it is all over the Internet. I won't be buying another Canon for the support, although the camera is sweet.

I have tested everything I can see including the batteries and there's nothing wrong with the batteries.

However, when I eyeball the height of the batteries, I see that one is lower than the others. So I assume that this connection is not as solid as the rest and may be why low battery indicator shows even when the batteries are testing fully charged.

On the SX20 you can't bend down the terminals at the top, so you have to reach in to the bottom and bend the contacts on the short battery up. I believe that this is just a temporary solution because it doesn't fix my camera permanently.

But try it. It is a free fix and can't hurt.

IMHO

Make sure nothing is binding the racks which could be pressing against the door when closed. Also make sure the dishwasher isn't installed too tightly in its place, which puts pressure on the latch. You may need to lower the leveling legs a bit.

they can repair/replace according to the damage and how it broke off. if the door broke into pieces it will be replaced. Replacing is done 99% of the times since it offers the pressure the battery needs to continue to charge well.
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The latch needs replaced and/or the door has bent hinges. Light pressure is more indicative of the latch.
Eric

Well, I got the latch and spring back into my DX7630, and so far (half an hour after) so good.

To do this, I had a replacement latch from U.S. Camera ($10 total, latch plus shipping and handling) and the original spring on hand. I took all of the eight screws holding the camera body together. I also pulled off the "rubber" hand grip on the front of the camera. I'm not sure if that was necessary or not, but in doing it I broke off one of the "claws" that secure the grip.

Then I turned the camera so the battery door was on top, opened the door, and gently pried the camera body halves apart. I used "square" wooden toothpicks to hold the body apart so I could get at the latch area. (The battery was not in the camera during all this work.)

There are two small slots in the camera body where the latch is held and pivots. The latch pivots can be slipped into those slots if the toothpicks have the body wedged open widely enough.

The hard part of the assembly is getting that latch spring properly mounted. The spring fits over the rod of the latch. The spring wire has two ends: one is shorter. The shorter-end goes behind the latch on the memory card side. The longer-end makes the job difficult. It must be held so that the spring is under tension while the battery side latch pivot is slipped into its slot, then the memory card side latch pivot is slipped into its slot. The longer spring-end presses against the camera body.

The latch and spring only flew away into the darkness of this room once during the effort, and that happened because I tested the latch a few times before closing the camera body. The body halves should be closed before doing any latch testing.

I put all the screws back into the camera snapped the rubber hand grip back in, put in a battery and a memory card, and at this writing, all seems to be working as designed. Hooray!