[Hardware issue] EOS M Buttons not working

Started by adambanana403, June 30, 2020, 12:20:36 AM

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adambanana403

A few years ago some of the buttons on my EOS M stopped working, I opened it up and tore half of the flex cable with the buttons, causing the click-wheel to stop working too. As I stopped using the camera for a while I completely forgot that they were not working before I opened the camera, until today. I finally bought a replacement cable/button assembly, and plugged it in, and some of the buttons still do not work (specifically Up, Left, and most importantly Q/Set). As I have just replaced the assembly (which did fix the click-wheel!) and those buttons do not work, I assume it may be a software issue? I decided to try and reinstall the firmware, but the issue is that the process requires using the 'SET' button to confirm the update file, and that button doe not work.
I don't know if the issue was cause by Magic Lantern or not, but I know I was using it around that time the issue began; otherwise maybe someone here understands these cameras enough to suggest what might be causing the problem.
Thanks!

andrefilipe90

Hi Adambanana403,

after a little research on youtube, others have resolve this problem by cleaning the contact, but as your flat is new, not sure it would help, maybe the new cable is also demage?