Q: Macbook Runs super slow after i remove power cord

I am having this MacBook Pro (13-inch, Early 2011). It has 16GB RAM and is running on a Samsung 250GB SSD drive.

When i am running my system with power cord connected, its super fast. But when i remove the power cord and try to run off of battery, my system slows down considerably. Almost becomes unusable.

The fans run at normal speeds and there is no visible change. I did a fresh install of El-Capitan, as some suggested on the forums, but even that didn't help. My current battery cycle count is 310. What could be wrong with my system?

Posted on Jul 5, 2016 12:30 PM

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Q: Macbook Runs super slow after i remove power cord

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by John Galt,

John Galt Jul 5, 2016 1:29 PM in response to titansking
Level 9 (50,248 points)

Mac OS X

Jul 5, 2016 1:29 PM in response to titansking

Did you reset the SMC yet? If not: Reset the System Management Controller (SMC) on your Mac - Apple Support.
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by titansking,

titansking Jul 6, 2016 3:45 PM in response to John Galt
Level 1 (4 points)

Notebooks

Jul 6, 2016 3:45 PM in response to John Galt

Yes i have tried doing that. It didn't help.
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by OGELTHORPE,

OGELTHORPE Jul 6, 2016 4:07 PM in response to titansking
Level 9 (52,725 points)

Mac OS X

Jul 6, 2016 4:07 PM in response to titansking

Run an Apple Hardware Test which may offer a clue:

https://support.apple.com/en-us/HT201257

Note that an error free AHT is not conclusive.

Ciao.
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Q: Macbook Runs super slow after i remove power cord

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by John Galt,

by titansking,

by OGELTHORPE,

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