Bluetooth unavailable despite exhausting all options offered by support community

Pardon this being a bit lengthy. It may be necessary to say all this to actually fix my computer because I need to convey what I've already done to try and remedy the situation. I would be so appreciative if someone could take the time to help me…
I purchased a new iMac (late-2012 model) about a week and a half ago. It and its magic trackpad had been working fine up until two days ago. On that day, the trackpad suddenly stopped working, and both the bluetooth icon around the top right of the screen and the bluetooth preferences in System Preferences became unresponsive. At first I ignored this for a day because I was busy. Once I returned to the problem, I tried the bluetooth icon and the bluetooth preferences again, to no avail, and replaced the batteries in the trackpad.
I restarted my computer. Ever since that first restart, bluetooth has been missing from my computer. Now, instead of being unresponsive, the bluetooth preferences are completely absent from System Preferences, and the bluetooth icon in the top bar of the screen has changed to this:
I have scoured the support forums and googled the problem. So far, I have tried every solution I've come across that's been put forth by Apple and Apple users:
• Simply restarting the computer again
• Restarting, then immediately removing all USB devices for the duration of the restart
• Restarting, then immediately removing ALL external devices, inputs & outputs while restarting
• Resetting SMC
• Resetting NVRAM(PRAM)
• Reparing disk in disk utilities
• Reparing disk permissions in disk utilities
• Re-installing the latest bluetooth firmware
As I continue to research the problem, there have been absolutely no more suggestions, only repeats of these.
If it helps, here are the specifications for my computer, though I'm not sure how relevant this information is:
Model Name:          iMac
Model Identifier:          iMac13,2
Processor Name:          Intel Core i7
Processor Speed:          3.4 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          8 MB
Memory:          16 GB
Note that under "system information," under the hardware dropdown, when I click on "Bluetooth" it now says "No information found." Previously in that spot I recall it listing the appropriate Bluetooth stuff for my computer. < Perhaps that information may be of use.
Thank you very much for sticking around to read this. Like I said earlier, I'd be extremely appreciative if someone could help me fix this problem. Using a conventional mouse just isn't sufficient for my purposes on this computer, and I'm looking forward to eventually getting my trackpad working (as well as other bluetooth devices I may want to use with my iMac in the future).

Hello:
Since your computer is under warranty, take it in for service. You have ABSOLUTELY done all the troubleshooting steps that will "restore" a missing Bluetooth module.
Barry

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Message was edited by: kc park
Message was edited by: kc park

kc park wrote:
now you can see the images......
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