Disk on port 4: Removed

Hey guys.
I was wondering if you can help.
I brought a G580 (Windows 7) a few days ago, and I seem to have a problem with the Rapid Storage Technology program.
When I turn the laptop on it takes a minute or so for the program to connect, or start up, or whatever. This is normal; this does the same on my HP desktop PC.
However, about a minute afterwards I get a notification come up in the taskbar which says: Rapid Storage Technology. Disk on port 4: removed.
When I double click and go into the program, it shows two ports:
. Internal system disk 669GB (when I put my mouse over this, I can see this is port 1)
. Internal empty port 4
Now, when I first switch the laptop on and go into the program, the second port showing, the one that says "Internal empty port 4" shows up (before the minute or so is up, as I stated above). When this does show up, it says: Internal ATAPI device.
Now, I googled this, and it seems its my optical drive. Is this correct?
So, I decided to open the drive and when it pops open, I get a notification in the task bar which says: Rapid Storage Technology. Disk on port 4: detected.
Then after about a minute, again, I get a notification in the task bar which says: Rapid Storage Technology. Disk on port 4: removed.
Can anyone tell me what is going on? And why this is happening? Why my optical drive appears to be removing itself? My HP desktop PC does not do this at all.
Is this a fault with the laptop? Can it be fixed, or do I need to send the laptop back for a replacement?
Thank you for your time.

Hi... um, does anyone have any answers?
Thanks.

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