Trying to recover an iMac

I am hoping someone can help me.  I have a 27" iMac which has crashed and shows a white screen or Blue Screen.  I was able to get into the Disk Utility with Command R at startup and repaired the system and it worked.  2 days later it blue screened again.

I have presumed the issue is the hard drive.  

I have replaced the hard drive and used the Carbon Copy Cloner software to clone the disk to a new hard drive.
I have installed the new hard drive and started the iMac up using Command+R.  It comes up to the Internet Recovery screen with world globe spinning.  It then asks me to connect to a wifi network.  I connect to my Network but it then goes back to the world globe spinning and shows the wifi network underneath with 4 bar strength.  

It does not seem to do anything after that.  So far I have left it for about 20 minutes.  There is no countdown or time counter showing.

I have also connected an ethernet cable in case it does not like the wifi network I have connected it to.

Just wondering if anyone knows what else I can do to get into the disk utility and restore the OS.

I dont have any discs that came with the iMac.

I do have an Applications Install disc from an Macbookpro laptop but I am presuming that will not work on an iMac.
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If you cloned the disk using CCC it should boot normally without using Command R.

Unless you followed the instructions on before cloning, you will not have cloned the recovery partition which is why command-r does not work.

To restore the recovery partition, boot normally, then open the App Store and download and install a fresh system. This will automatically install a recovery partition. Don't forget to run software update next.

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mbellettyAuthor Commented:
I will check out the instructions.  CCC only showed the one partition on that drive.

I wonder as well if the issue is faulty RAM.  I am going ot also replace the RAM and see how it goes.

With recovery partition if I could boot normally I would do that, thats one of the issues.  it does not boot normally all the time.  I was able to boot normally once or twice then get into the App Store but as soon as it starts downloading the update the screen goes black and there is nothing happening.
Have to power down to reset
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