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Slow start up & shut down after updating to OS 10.10.5

I bought an Apple Macbook Pro (non-retina) three days ago with standard configuration. I updated the OS to 10.10.5 today. Now I am encountering a few problems -

1. Slow start up! Takes almost 5 times more than before to log in.

2. Significantly slower operation.

3. While shutting down, screen goes black immediately with only cursor remaining on screen. It finally shuts down after a 4/5 mins. Previous shut down time was 5-10 sec.


Any solution of the above???

MacBook Pro (13-inch Mid 2012), OS X Yosemite (10.10.5)

Posted on Aug 29, 2015 2:49 AM

Reply
3 replies

Aug 29, 2015 3:38 AM in response to Megamindbd

Select Macintosh HD as the Startup Disk.

“Set the default startup disk” http://support.apple.com/kb/HT1310


Reset PRAM. http://support.apple.com/kb/PH18761?viewlocale=en_US&locale=en_US


Reset SMC. Choose the method for “On Mac notebooks with non-removable battery”.


https://support.apple.com/en-us/HT201295


Start up in Safe Mode. http://support.apple.com/en-us/HT1564

Slow start up & shut down after updating to OS 10.10.5

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