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MacBook doesn’t power on unless the smc is bypassed

i bought a used macbook pro 15" mid 2010 on ebay a few days ago, it only boots when i do the smc bypass trick where you hold the power button while plugging it in, if i reset the smc it doesn’t boot. trying to power it on normally does absolutely nothing, fans dont spin or anything but the charging led does turn on.

EDIT (12/14/2022)

i think i could've found the problem, the battery in the macbook pro is dead, and i only have a 60w charger, and not the normal 85w charger. could this be why it wont boot when i press the power button? because it DOES shut off if i do anything that would be power consuming if i boot it with the smc bypassed.

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Yes, you need both!

Here’s the battery MacBook Pro 15" Unibody (Mid 2009-Mid 2010) Battery and here’s the guide MacBook Pro 15" Unibody Mid 2010 Battery Replacement

As far as the charger 80% of the chargers sold online are knockoffs! These are not safe and can damage your system!

A company I was supporting years ago had a 4 million bill for one of these! An employee forgot his charger, so he found a small computer shop which he bought it, Went back to the hotel he was staying plugged in his laptop so it was ready for the morning meeting with the client. Went to dinner and when he got back to the hotel, the place was surrounded by fire apparatus! He finally made it to the front desk to find out where the fire was. Of course it was his room!! They did give him a room for the night with just the cloths he was wearing. In the morning he had to vacate as all of the rooms where spoken for minus the floor is room was on.

It was a very expensive Charger! I strongly recommend going online to Apples web site to find the needed charger.

MacBook Pro 15" Unibody (Mid 2009-Mid 2010) Battery Изображение


MacBook Pro 15" Unibody (Mid 2009-Mid 2010) Battery


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