Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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Will not boot from HD

After the spinning soccer ball (did not unfreeze), I pressed the power button to restart and got the flashing folder with?mark. After several reboot attempts including option command PR to zap PRAM, and attempts to do the hardware test (unsuccessful), I booted using a Mountain Lion Install CD. Profile showed "there was an error scanning for Serial-ATA devices". Disk repair found only the optical CD drive. Even tried to restore from my Time Capsule, no luck as it hung up looking for the missing HD. Does this mean my HD is dead? Any hints on how to resurrect this before I buy a replacement HD?

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Went to Apple Genius Bar to confirm HD is dead, and it is. Bought a Seagate 1 TB 7200 rpm drive with 64 mb cache from Frys for $89.99 and installed myself with help from guide on this site. Got 2 large suction cups (used for tile setting) and the #6 & #8 Torx from Home Depot and did it in less than 2 hours. Much thanks to I Fixit and flogo2003 for their help. I split the drive into 2 partitions. Decided to not spend the more bucks as flogo2033 suggested on SSD or a hybrid drive.

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Hi reutthe,

Unfortunately it sounds like your HDD is either dead, or for whatever reason has become unplugged. If it is still plugged in, it most likely has died. Moving parts HDD's will eventually die over time and need to be replaced.

Just for kicks, I am going to bet that your iMac has been running slower and slower over the last 3-6 months. If this is true then your HDD is dead. If not, it still may be dead, >.<.

Let's get to the upsides;

Carbon Copy Cloner will make your transition to a new HDD painless. (it should) Buying a new HDD (moving parts) is a bad investment in my opinion. As you should be looking to buy a new drive, I would recommend moving to a Solid State Drive (SSD). This will eliminate a moving part inside your iMac, but also it will increase its loading speed tremendously. If you are a person that keeps lots of media on their computer, you have options there as well. SSD's come with smaller amounts of storage at a higher price, so generally you want to stick with a 120 or 250gig drive, and migrate all of your media (pictures / music / videos) to an external HDD to save space on your SSD.

Good luck!

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