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How to reset pram

My battery is not charging.

I want to recharge my PRAM and SMC

kindly help

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Hi, The link to reset SMC is


The link to reset PRAM is


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Also remember that once you do that the MAC will loose it's memory of the battery charge curves. To teach it you should do a full charge, then unplug and do a full discharge until the mac shuts down. Then let it alone for 2 hours for the battery to settle. Charge it with the Mac off until the green light lights. Unplug, wait 1 hour and then turn it on, plug in the power adapter and the mac now knows how long it takes to charge the battery and it's capacity.

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