Introduction
Remove the access door to replace RAM chips and remove your front bezel.
Tools
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Loosen the two captive Phillips screws securing the access door to the iMac.
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Remove the access door from the iMac.
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.
One comment
great job Andrew
That is a really, really unnecessarily complex way of fitting a new hard drive. Thanks, but no thanks...
annax -
annax, if you can suggest a simpler way we're all ears!
Jake Simmonds -
I found this guide to be very useful. The installation was super easy, especially since I've never opened my iMac before. I was able to skip steps 6, 7, 9, 10 and 14. Wish I had one of those long skinny magnetic torx screwdriver's though. I had to use duct tape to hold the screws on the end of the bit for step 12.
I used this opportunity to vacuum out the dust with mini attachments. Much needed after 3 years ;0)
Awesome site!!! Thanks for sharing your knowledge and saving me time and $$$!
Eric Patten -
Yes I did it! thanks for this very good manual
Philippe d Anfray -