Lastly, if you still have your CD/DVD that came with your system or a retail copy of OS-X (hopefully Snow Leopard) you can boot up prep your system with the OS on the CD/DVD. This item may be a floor model or store return that has been used. The hard drive in my iMac began acting up last year and I. Details about Apple A1224 20' iMac Early 2008 Core 2 Duo 2.66GHz 500GB.
NEW HARD DRIVE FOR IMAC MODEL A1224 INSTALL
You could also put your system in to target mode and by using a FireWire cable between a second mac and your system use this other mac to install the OS onto your system. Based on the model iMac you have it looks like your system has had a relatviely long life.
If you have already taken your HD out because its dead then you'll need to find a friend to prep a USB thumb drive (using the same above process) and copy over to it the installer app. You can use Migration Assistant to move you stuff over to your new drive. Once done you should be able to boot up under your new HD in the external case. Then launch the OS installer app (Lion, Mountain Lion or Mavericks).
NEW HARD DRIVE FOR IMAC MODEL A1224 UPGRADE
Initialize and partition your drive making sure you have setup GUID. Parts that work with iMac Intel 20' Model A1224: 1 TB 7200 RPM 3.5' Hard Drive Replace or upgrade the hard drive in your compatible iMac with this part. Your system should open up Disk Utility as the HD is virgin. Install your new HD into the case, then plug in your drive. If the HD is still in your mac get an external drive case (FireWire being the best, but USB will also work here) for your new drive.
Sorry there just to many ways to do this and besides IFIXIT focus is on the hardware side of things.ĭepending on what the status of your old HD is here you have a few different directions.