Does it happen if you remove the digital card?
"Please help me.."
Can't and neither can Canon as the 5D2 is beyond service life which is what your camera needs.
Yes it is, I found out after this post. Call Canon today. 1 (800) 652-2666
Hello Durga, We are sorry this issue persists. The EOS 5D Mark II is still within service life.
You may fill out an online repair request form at the following link to setup your repair using our online service.
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