I think something went wrong with mine at step 3.. after connecting back with new RAM.. Mac stopped working with battery... its working only on external power plug.. I rechecked it, googled it for SMC etc.. still no luck.. I did notice a small spark while removing for first time.. nothing after that.. even the LED indicator on the side with dots as battery indicaot is not working.. can someone help me please.. I'd say Step 3 is risky if it does these kind of things..
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