Odd issue

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Apr 7, 2009
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Location
Whangarei NZ
Your Mac's Specs
27 iMac+Thunderbolt, iMac 21,
Problem solved - FWIW

First signs of problem, screen shot icon could not be selected or deleted and start chime silent on 21 imac.

After shutdown rebooted with user log in screen but no icons could be selected or input into password box.

Starting with shift held down same screen, same lockup.

Starting holding T for target mode same screen, same lockup.

Start button held and parameter ram reset - no chimes, no indication.
2nd attempt on parameter ram reset - one chime but no repeat chime.

2nd attempt, started in Target mode with thunderbolt icon, so forced shutdown and connected by thunderbolt cable to my iMac and HD showed up in my disk utility.

Disk repair effected on the 21 iMac HD

Normal boot up after that.
 
Last edited:

Slydude

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Nov 15, 2009
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North Louisiana, USA
Your Mac's Specs
M1 MacMini 16 GB - Ventura, iPhone 14 Pro Max, 2015 iMac 16 GB Monterey
Thanks, I'm sure others will find this useful.
 

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