iMac Intel 27". EMC 2309 (Late 2009, Core 2 Duo 3.06 or 3.33 GHz), EMC 2374 (Late 2009, Core i5 2.66 GHz or Core i7 2.8 GHz)

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Replaced bad hard drive, no OS recovery options work

My iMac was running hot, would not boot past loading bar.

Opened it up blew it out (very dusty). All fans are functional. Booted to recovery.

Opened Disk Utility ran first aid. First aid attempted to rebuild catalog b tree. This ran for 2 days. Removed hard drive attempted to format in a hard drive dock. Hard drive would not fully re-format.

Bought a new Hard drive: Seagate 500 GB Pipeline HD SATA 3Gb/s NCQ 8MB Cache 3.5-Inch Internal Bare Drive (ST3500312CS).

After installation no recovery options used on an original wired keyboard work. I can do a PRAM reset and use the option key to boot to the boot up manager screen.... where the mouse is present and works but nothing appears on the screen.

The screen remains grey. I have a USB boot drive and a boot DVD made with transmac. (I have attempted with both the USB and the DVD installed and with each one in individually)

I am stumped...

I have searched to the limits of my capability to find an answer to this. I even called Apple Care... No help was had.

Any help will be much appreciated,

Thanks!

Answered! View the answer I have this problem too

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Ok so I created a bootable OSX thumb drive. Booted the machine it shows up. I clicked on it and this what I am getting screen

I have never seen this before. What should be my next steps?

Thanks.

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The recovery you previously access was a hidden partition on your old hard drive.

Since you have a 2009, you need another working Mac to create a bootable OS X thumb drive to boot and install OS X in the new hard drive.

Here are instructions regarding El Capitan, but the instructions similar for new version of OS X.

http://www.idownloadblog.com/2015/09/10/...

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Thank you for the response. I will attempt this and post back with results.

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