Optical Drive makes noise twice on startup

Hi all,
This problem first appeared when I first changed my RAM from 4GB to 8GB last year.
After a year, the RAM broke down, failed the hardware test.
I replaced it and though the hardware test is passed, the optical drive noise issue persists.
The problem now is: upon startup, it's normal to have the optical drive noise ONCE, but my machine produces a second noise when it can't show up the Apple logo within 3 seconds, i.e. the optical drive searches for the hard drive again. (for a total of 2 times, it lets out the optical drive search noise)
To be more specific, when I restart it after a weird startup, it's normal again with just one optical drive noise (Only occuring upon the first startup).
I'm afraid it might be a repeat of history and the RAM breaks down after one year...
Thanks in advance.

rx,
I am having this exact same problem with my Macbook as well. I am very frustrated. My computer will be 2 yrs old in August. Within the last few months, I have had the battery replaced for burning up the computer (June '07), the optical drive replaced (Nov 07), and the hard drive replaced (Feb '08). It appears I am going to have to take it back to the mac store to get this fixed. This has been going on for a month and I have tried everything including Disk First Aid to try to get it stop! Please post if you find something else! Meanwhile, I will say the apple care warranty was a better investment then the computer itself. I have been VERY DISAPPOINTED with the product and I have had Mac products for years (Mac Performa, iMac, eMac, iPodmini).
Heather

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rx,
I am having this exact same problem with my Macbook as well. I am very frustrated. My computer will be 2 yrs old in August. Within the last few months, I have had the battery replaced for burning up the computer (June '07), the optical drive replaced (Nov 07), and the hard drive replaced (Feb '08). It appears I am going to have to take it back to the mac store to get this fixed. This has been going on for a month and I have tried everything including Disk First Aid to try to get it stop! Please post if you find something else! Meanwhile, I will say the apple care warranty was a better investment then the computer itself. I have been VERY DISAPPOINTED with the product and I have had Mac products for years (Mac Performa, iMac, eMac, iPodmini).
Heather

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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

Optical Drive makes noise twice on startup

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