The 17" machines seem to need more of a startup boost the the 15 or 13 inch machines. I would look at the health of my battery by using Coconut Battery to see if it still has the strength to do the job.
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http://www.coconut-flavour.com/coconutbattery/
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UPDATE
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It appears your battery is the original one and about nine years old. Frankly I would replace it.
The 17" machines seem to need more of a startup boost the the 15 or 13 inch machines. I would look at the health of my battery by using Coconut Battery to see if it still has the strength to do the job.
The 17" machines seem to need more of a startup boost the the 15 or 13 inch machines. I would look at the health of my battery by using Coconut Battery to see if it still has the strength to do the job.