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I get a circle with slash when i start up/ ran disk utility…

Customer Question
I get a circle...

I get a circle with slash when i start up/ ran disk utility and disk is fine. but cant start machine. tried to boot with option r evenytuallly tells me it cant reach the server

Technician's Assistant: When was the last time you updated the Operating System (OS) on your Apple device?

Dont know

Submitted: 22 days ago.Category: Mac
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Answered in 5 minutes by:
5/30/2018
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago
John T. F.
John T. F., Apple Consultant
Category: Mac
Satisfied Customers: 3,578
Experience: 20+ years in the computer/Mac industry
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Hello! I will work to provide accurate advice. Give me a minute to read your submission.

If Secure Remote Assistance is offered, please ignore it.

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Customer reply replied 22 days ago
ok
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Shutdown your Mac.

Restart and, immediately, press and hold the “OPTION” (or “Alt”) key at boot until the boot menu appears.

Does the "Macintosh HD" appear in the listing?

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Customer reply replied 22 days ago
i see mac 0sx base systen and a choose network with arrrows
Customer reply replied 22 days ago
dont want secure remote assistance
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Yes, as I said originally, just ignore offers of Remote Assistance.

Ok, when you ran Disk Utility, did you run it on "Macintosh HD"?

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Customer reply replied 22 days ago
i did and it said it wqas ok
Customer reply replied 22 days ago
It aid it was oj
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Alright. It sounds like the installation of macOS has become corrupted in some way and is no longer recognizable as a bootable system.

You should next try re-installing macOS from the Recovery partition.

Restart your Mac and, immediately, press and hold the COMMAND + R keys until you see the Apple logo and progress indicator.

Wait for “macOS Utilities” menu to appear

If you’re not connected to the Internet, choose a network from the Wi-Fi menu in the right corner of the menu bar at the top of the screen.

Select Reinstall MacOS, click Continue, and then follow the instructions.

Once the re-install is complete, you should *hopefully* be booted back into your normal user account.

John

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Customer reply replied 22 days ago
i tried that several times. at mac os utilities i selected reinstall eventually it said it could not reach the server
Customer reply replied 22 days ago
i tried again i just get the circle/slash and a spinning wheel
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, restart and try holding COMMAND + R + OPTION and see if that gets anywhere.

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Customer reply replied 22 days ago
ok will try that
Customer reply replied 22 days ago
this time it says starting internet recovery - may take a while
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, hopefully that will get you where you need to be.

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Customer reply replied 22 days ago
brings ,me to the macosxutilities
do i select reinstalll again?
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Yes, correct.

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Customer reply replied 22 days ago
it tells me it willl check eligibility. then iu get an erroir oiccurred while preparing the installation . try running again, tried three times
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, how is the computer connected to the internet? Wi-Fi or wired?

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Customer reply replied 22 days ago
wifi
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok and what model of Mac is this?

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Customer reply replied 22 days ago
macbook
pro
Customer reply replied 22 days ago
any advice?
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Do you have the ability to try while connected via network wire?

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Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

I would try that next to eliminate the possibility of wi-fi connection quality on such a large download.

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Customer reply replied 22 days ago
i just rebooted my router to make sure i wasnyt having issue there will plug in macbookpro now
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok. Good luck!

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Customer reply replied 22 days ago
dno good
Customer reply replied 22 days ago
that did not work according to disk verify i have 498 GB on my 500GB disk . could that be the problem? there isnt room to install?
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Oh, yes that's exceedingly full and probably explains how macOS became corrupted as it has a tendency to overwrite itself if the hard drive runs out of room, unfortunately.

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Customer reply replied 22 days ago
WHAT DO I DO
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Do you have another Mac by chance? and if so, do both of your devices have FireWire or Thunderbolt ports?

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Customer reply replied 22 days ago
I DO BUT NOT SURE WHAT FIREWIRE OR THunderbolt ports look like
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Also, do you have an external drive?

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Customer reply replied 22 days ago
i have external drives
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

OK that may be easier for you... do you have one with free space around the same size, or larger, than 500GB ?

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Customer reply replied 22 days ago
ytes
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, try this;

Connect your external drive to the Mac.

Restart your Mac and, immediately, press and hold the COMMAND + R +OPTION keys again until you see the Apple logo and progress indicator.

Wait for “macOS Utilities” menu to appear

Choose Disk Utility

You should see your Macintosh HD volume plus the external drive you connected.

In the menu bar select File > New Image > Image from “Macintosh HD”

You'll want to choose to save this Image to the external drive.

Press Save and wait until it has completed.

Select "Macintosh HD from the list on the left if it isn't already selected, and then click the Erase tab.

From the Format pop-up menu, select Mac OS Extended (Journaled), type a name for your disk (usually Macintosh HD), and then click Erase.

After the disk has been erased, choose Disk Utility > Quit Disk Utility in the menu bar at the top of the display.

Select Reinstall Mac OS X, click Continue, and then follow the instructions.

Once the re-install is complete, you will be asked to create a new user.

Once signed back in, you can open the Image you created on the external drive and you would need to copy back data you wish to return to the Mac.

You should not exceed using about 450GB of a 500GB drive.

John

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Customer reply replied 22 days ago
when i select file/new the options are blank disk image or disk image from folder
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Select "Macintosh HD" and then try again.

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Customer reply replied 22 days ago
under file i see new window, new, open disk image, get into, unlock macintosh hd, change password, turn off encryption
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Select "Macintosh HD from the list on the left side of the main Disk Utility window.

Then, in the menu bar select File > New Image > Image from “Macintosh HD”

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Customer reply replied 22 days ago
i did that but do not get the same choices. under file. there is no - file new image
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, do you know what version of macOS you have installed?

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Customer reply replied 22 days ago
lion
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok. Is the external drive empty?

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Customer reply replied 22 days ago
no
Mac Support Specialist: John T. F., Apple Consultant replied 22 days ago

Ok, Lion is quite old and has an alternative method but it will require an empty external drive.

Once you have the empty drive, return back to Disk Utility;

  • Click on the tab, ‘Erase’.
  • On the left side, select the external drive, which you want as your backup (destination) drive.
  • From the ‘Format’ drop down select the format type as Mac OS Extended (Journaled). Click the ‘Erase’ button.
  • From Disk Utility main window, click the ‘Restore’ tab.
  • select the "Macintosh HD" drive to be cloned by dragging it to the ‘Source’ entry field.
  • Similarly, from the left pane select the external drive and drag it to the ‘Destination’ entry field.
  • Now, click the ‘Restore’ button.
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