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Imac No OS installed

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G

gary

PCHF Member
Jan 18, 2017
27
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#1
Hi,
I was given a imac with no operating system installed. when i turn it on it just shows the apple logo and loading bar then when at end of loading it just freezes. i have kept it on for hours on hope it does something but just stays on the screen.
How can i get this to work please?
im using a windows usb keyboard
 
#3
What kind of CPU do you have?
If it is an M1/M2 keep pressing the Power Button and select Options.

If it is an i3/i5/i7 press Control + D and select Options

Do that and post back.
I'll tell you what to do.
 
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#5
Rustys said:
Have you tried the recovery options?

How to reinstall macOS - Apple Support

You can use macOS Recovery, your computer's built-in recovery system, to reinstall the Mac operating system. Reinstalling macOS doesn't remove your personal data.
support.apple.com support.apple.com
Click to expand...
Hi yes have tried that but it wont go off the loading screen whatever i do
georgeks said:
What kind of CPU do you have?
If it is an M1/M2 keep pressing the Power Button and select Options.

If it is an i3/i5/i7 press Control + D and select Options

Do that and post back.
I'll tell you what to do.
Click to expand...
Hi thanks for the reply...I have tried that but it wont seem to go off the loading screen.
 
#8
Please supply the serial umber of the mac
This will give us the specs we need so we can give you the information you require.
The serial number will be on the bottom of the stand.
You may need a magnifying glass or take a pic.
 
#12
First option is to see if you have internet recovery.
Immediately after hearing the Mac boot chime, hold down Command+Option+R – if you see the Apple logo you waited too long and need to reboot and try again.
If you click on the blue link (mac os lion installer) in post #7 it will take you to the download for the os.
May need snow leopard to be installed first.
 
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