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Why is my Mac Pro booting slow ?

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Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Sat Feb 02, 2019 11:34 am

My Mac Pro, High Sierra 10.13.6 is booting slower and slower, first attempt this morning, after about 15min, of extremely slow status bar below the apple logo, I re-started via the power button and it was quite a bit quicker, but much slower than it has been ordinarily.

What might this be, and how might I fix it ?
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Re: Why is my Mac Pro booting slow ?

Postby desmond » Sat Feb 02, 2019 2:15 pm

Drive problems? Hardware problems?

Do a disk check using disk utility...
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Sat Feb 02, 2019 4:59 pm

Well, I closed down and then re-started, and the problem went away.

So that's that.

For now.
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Thu Jun 06, 2019 5:33 pm

Problem is back again.

Ever slower status bar under the apple log when I boot.
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Re: Why is my Mac Pro booting slow ?

Postby desmond » Thu Jun 06, 2019 6:00 pm

Gone To Lunch wrote:Problem is back again.
Ever slower status bar under the apple log when I boot.

Every time, or just once? What happened when you tried the suggestions I already made above?
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Re: Why is my Mac Pro booting slow ?

Postby fruitcake » Thu Jun 06, 2019 9:49 pm

Check your console logs. Also try starting up in verbose mode. It can help tell where the boot up is hanging.
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Sun Jun 16, 2019 11:07 pm

desmond wrote:
Gone To Lunch wrote:Problem is back again.
Ever slower status bar under the apple log when I boot.

Every time, or just once? What happened when you tried the suggestions I already made above?

My mac is bootable from two drives, System with 10.11.3, and Projects with 10.13.6 so I re-selected the boot drive from my preferences and that seemed to cure it for a while.

I have since booted from Projects so as to run the disk repair utility on System and that helped for a couple of boots, but it is now back again when I boot from the preferred System drive.

I have tried safe booting, and that stops it.
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Re: Why is my Mac Pro booting slow ?

Postby MOF » Mon Jun 17, 2019 12:40 am

Did you try First Aid in Disk Utility also is there at least 10% spare capacity on your boot drive?
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Re: Why is my Mac Pro booting slow ?

Postby Kwackman » Mon Jun 17, 2019 9:06 am

Gone To Lunch wrote:I have tried safe booting, and that stops it.
Consistently?
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Mon Jun 17, 2019 9:15 pm

MOF wrote:Did you try First Aid in Disk Utility also is there at least 10% spare capacity on your boot drive?

Yes, and there is 50% spare capacity on that drive
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Mon Jun 17, 2019 9:16 pm

Kwackman wrote:
Gone To Lunch wrote:I have tried safe booting, and that stops it.
Consistently?

Don't know, I only did it once, and running the repair utility seems to have done the trick.

And I also re-selected the drive from within the system preferences and that seems to clear it as well.
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Tue Jun 25, 2019 2:14 pm

It happened again so this time I emptied the cache - for the first time - I have this mac for 3 years - and that got it back to normal.
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Re: Why is my Mac Pro booting slow ?

Postby MOF » Tue Jun 25, 2019 2:31 pm

It happened again so this time I emptied the cache - for the first time - I have this mac for 3 years - and that got it back to normal.
Which cache?
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Re: Why is my Mac Pro booting slow ?

Postby Gone To Lunch » Tue Jun 25, 2019 11:27 pm

MOF wrote:
It happened again so this time I emptied the cache - for the first time - I have this mac for 3 years - and that got it back to normal.
Which cache?

Open Finder, select “Go”, click “Go to folder”, type “Library/Caches/”, delete all files, and empty trash.
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Re: Why is my Mac Pro booting slow ?

Postby MOF » Wed Jun 26, 2019 1:51 am

Open Finder, select “Go”, click “Go to folder”, type “Library/Caches/”, delete all files, and empty trash.
OK thanks, that sounds pretty comprehensive, I hope you didn’t throw some babies out with the bath water.
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