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El Capitan sluggish when on battery power, cursor lag

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Alan Langdon
El Capitan sluggish when on battery power, cursor lag
on Jan 27, 2016 at 7:37:54 pm

I just did a fresh install of El Capitan on a 2011 macbook pro 13" with 4 gb of ram (dual core processor).
Previously the mac had OS 10.6.8 installed.

I did the flashdrive clean install of El Capitan, formatting the HD and then installing El Capitan from it. Then installed a few apps, nothing much (Chrome, Office 2011, MpegStreamclip, VLC...).
What is happening is that when the macbook is on battery power, it is very sluggish and the trackpad cursor is slow and lags behinds the movements, making the computer almost unusable. When I plug the AC in, the mac works fine... Any input on this?


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John Rofrano
Re: El Capitan sluggish when on battery power, cursor lag
on Feb 13, 2016 at 3:15:56 pm

[Alan Langdon] "What is happening is that when the macbook is on battery power, it is very sluggish and the trackpad cursor is slow and lags behinds the movements, making the computer almost unusable. When I plug the AC in, the mac works fine... Any input on this?"
I just updated my Mid-2012 Mac Pro to El Capitan and I'm not seeing this behavior while on battery. It sounds like your MacBook Pro might be going into some extreme low power saving mode where the CPU speed is being dramatically reduced to conserve battery power.

I did find these with a quick Google search. You might want to try them:

MacBook Pro Running Slow On Battery – Fix It!

13 Common OS X El Capitan Problems & How to Fix Them

~jr

http://www.johnrofrano.com
http://www.vasstsoftware.com



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