topic Re: Canon 50D - Not Powering On in EOS DSLR & Mirrorless Cameras

Canon 50D - Not Powering On

Joiemagic — Tue, 01 Oct 2024 02:37:59 GMT

I just posted about an issue with my 1D Mark IV, so I pulled out my 50D backup camera, which I have not used for at least 5 years. It has been sitting in a camera bag the entire time. When I charged up the batteries which were totally drained and tried to turn on the camera, I get nothing. There does not seem to be any power to the camera. I ordered new batteries and charged them up, but got the same results. Absolutely nothing, no power to the camera. I tried taking the battery grip off and using a single battery in, but have the same results.

Any suggestions, please help. I have a number of upcoming shoots in the next few weeks.

Re: Canon 50D - Not Powering On

deebatman316 — Tue, 01 Oct 2024 02:48:49 GMT

Remove the main battery from the camera. There should be another button cell/ watch battery right next to the main one. Try removing it and replacing it with a new one.

Re: Canon 50D - Not Powering On

normadel — Thu, 03 Oct 2024 02:03:15 GMT

The CR2016 battery referred-to has nothing to do with whether the camera turns on or not. Its only function is to power the date/time clock. I just now tested that on my 50D by removing the battery.

Look down into the main battery compartment to see if the two power contacts are clean.

If the camera will not turn on with new fully-charged batteries, the camera is dead

Re: Canon 50D - Not Powering On

Joiemagic — Thu, 03 Oct 2024 04:21:19 GMT

Thank you for the suggestion. New CR 2016 battery was all that was needed.

Re: Canon 50D - Not Powering On

Joiemagic — Thu, 03 Oct 2024 04:23:52 GMT

Changing the battery actually was the solution to this issue. I replaced the CR 2016 battery and the camera came back to life. Obviously, just needed to renter the date and time...

Re: Canon 50D - Not Powering On

deebatman316 — Thu, 03 Oct 2024 04:24:08 GMT

Great now you're back off to shooting pictures again.

Re: Canon 50D - Not Powering On

deebatman316 — Thu, 03 Oct 2024 04:27:17 GMT

Surprisingly it does. When mine died in my old EOS 40D it wouldn't power up. After replacing everything worked like normal. The only thing I had to do was reset the time, date and change all of the Custom Functions. I only had 2 to change anyway. So not that much and it was quick.

Re: Canon 50D - Not Powering On

normadel — Thu, 03 Oct 2024 04:29:28 GMT

And if you take the CR2016 out entirely, the camera will still turn on.

You may have had power switch contacts that were slightly dirty, and repeated turning it on and off wiped them clean enough to conduct.

Re: Canon 50D - Not Powering On

deebatman316 — Thu, 03 Oct 2024 04:33:09 GMT

With that battery removed from my EOS 40D it will NOT power up. So I don't know if Canon changed things between both cameras. I also tested it out on an old EOS 10D with the same results. It won't power up either. The red memory card light flickers but that's it. The camera just appears dead.

Re: Canon 50D - Not Powering On

deebatman316 — Thu, 03 Oct 2024 04:38:50 GMT

The power switch is not really a power switch. All it does is report back to the camera that you want the camera off. It's all software not hardware doing anything. The camera doesn't fully turn off. It just goes to sleep.

Re: Canon 50D - Not Powering On

Joiemagic — Thu, 03 Oct 2024 07:43:26 GMT

All I can say is the camera is working. I can take photos again with my 50D until I get the rear screen replaced on my 1D. So, I am a happy camper... Being I did nothing else, what appeared to fix the issue was changing the CR2016 battery as was suggested.

Re: Canon 50D - Not Powering On

normadel — Thu, 03 Oct 2024 18:17:39 GMT

I have a 30D that DOES power up without the CR2016 in place.

Maybe some Canon person familiar with these things can explain this.

Re: Canon 50D - Not Powering On

deebatman316 — Thu, 03 Oct 2024 18:22:06 GMT

Maybe its specific to the EOS 40D I can't really explain it.

Re: Canon 50D - Not Powering On

nobodyeasy — Thu, 03 Oct 2024 21:34:49 GMT

Just like the CMOS battery on a motherboard dies, the computer will lose its BIOS settings, including the date and time, when it's powered off. This can cause boot issues and incorrect hardware configurations.