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Model A1311 / Late 2009 / 3.06 or 3.33 GHz Core 2 Duo processor

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I did a hard drive replacement on this iMac about a month ago. Have not used it for about a month. Today when I try to boot it up it beeps like it has no or bad RAM. I tried new RAM sticks to no avail, still beeping like it has bad RAM.

While removing the screen to replace the HDD, the vertical sync cable came out damaged. I did my best to put it back in. Would a damaged vertical sync cable be causing this?

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Is there a pattern to the beeps? Did you address the hard drive thermal issue if you changed brands of hard drives?

What are the diagnostic LEDS telling you?

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I actually just solved my problem. I looted a display from an identical iMac that had suffered a fall and broke it’s foot (ouch!) and plugged it into the problematic iMac and it booted just fine. It was indeed the cable after all. @my64pro @mayer thanks for stopping by!

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It could be possible that this is why it does not work,the computer maybe detects that the LCD is not connected due to the cable being damaged. I recommend replacing it and see if that fixes the problem.

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I don’t think the vertical sync cable itself is replaceable. I think I am going to have to replace the entire display which is not economically worth it.

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You can replace the cable to the display,they sell the cables online.

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Where are these cables sold and how do I replace them?

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Looking on google,the price of these are very cheap

https://www.google.com/search?q=vertical...

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@my64pro Thanks for the link, however I have solved my problem. Thanks for stopping by anyways!

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