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Mac being super slow during start up

My Mac is booting really slow from the time power button is pushed to the home screen. Any idea's?

iMac, Mac OS X (10.7.3)

Posted on Apr 23, 2012 6:20 PM

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18 replies

Feb 26, 2013 10:21 AM in response to Paul_31

Paul_31, you're solution works for me, but only for 2-3 startups. If I restart my startup disk, I got started within a minute and the 1-2 times after that, it goes fairly fast too, but each time, it takes longer & longer to startup. I have no idea what could slow down my mac, because I always close all apps manually before shutting down. Do you have any other tricks in your magic hat?

Feb 27, 2013 1:25 AM in response to Apoch8000

There may be problems with your hard disk. Make sure you have reliable backup of all your data as you may need to get it checked over by a technician.

What version of OS X are you running - you could try checking the hard disk yourself, initially. The instructions vary depending on the OS you are running.

Do you have any anti-virus programs installed - Avast, Norton, MacKeeper, etc? Norton, occasionally. and MacKeeper, especially, are renowned for messing up Macs.

Feb 27, 2013 2:33 AM in response to Apoch8000

Good that you don't have AV running. To backup your Mac you will need an external disk. If you are running a version of OS X that is 10.5.x or above you can use the built-in Time Machine. Connect the drive, turn TM on and the Mac will auto backup. If you have a hard drive failure you can easily restore from the backup.

Another possiblity for backup (and the one I prefer, although I do both) is to make a bootable clone of your HD. SuperDuper! or Carbon Copy Cloner are the two apps that most on here seem to recommend. I've used both but now rely on CCC.

Mac being super slow during start up

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