Can I clone one iMac to my own iMac?

Friendfrom47

Registered
Hello,

When I posted here before about questions on my friend's older pink iMac, I got some great answers and was able to accomplish what I needed to do.

Now I'm trying to go a bit further. Here's the problem with her computer:
I press the power button to start it up. It appears to start up normally, but after a LONG time of the black circling circle, the screen goes blue and will flicker just a little bit every now and then. You can move the mouse, and the cursor will move. But clicking or doing any key combinations don’t appear to make any difference. The screen just stays blue.

What I want to try is to use "Target Mode" like I did to make the CDs of her data. So I know that works. Now what I want to know is, can I clone her whole iMac onto mine with "Target Mode"? Will it harm my iMac?

I plan on trying that (if y'all say it's not dangerous to my computer), then format her HD, then re-clone her machine with her own data.

Any thoughts?
 
Just make sure her personal data is backed up and try some repairs:

Reboot her computer while holding command + s (boot in safe mode)/type fsck -f on the black screen with white text/type reboot when operation is complete.

Hopefully that will reset her system and you can reboot her computer. After safe mode I recommend repairing permissions: apps/utilities/disk utility/repair permissions.

Let us know if that fixes it.
 
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