X58A UD3R: Computer does not stay shut down

[npham858]

My system crashed for no apparent reason a few hours ago. When I tried turning it on again, the HDD and power LED would blink, attempting to turn on (fans started to spin and die down) and went into a loop, with no post beeps or anything, just the fans spinning for a second and dying.. At first I thought my power supply had died, so I tested it on my friend's computer and it was still working. When I went back to install the power supply into my computer again, it suddenly posted. However, now my problem is that it continues to start up even after I had shut it down. It turns off for about 3-5 seconds, then everything would turn on by itself.

I have used what seems to be a stable overclock (3.8GHz 181x21) for the past few weeks, with no problem, so I'm not sure if it was an unstable overclock. I have not updated the bios (I will post version later). I installed the chipset drivers using the CD that came with the motherboard. Should I try updating my BIOS?

My system specs are the following:
i7 920
x58a ud3r
8800gt
Corsair TX750W

If anyone could please lead me to a solution, it would be much appreciated. Thank you. If you need more info, please ask. Note: I did not install any new software in the past week, so I doubt it could be a software issue. Again this seems to have happened out of nowhere, I have not tweaked any settings in my bios or installed software for at least a week.

[scjet]

 I have my i930 OC'd to approx. 3.8 GHZ, and all works well.
 However, whenever I change my Video card, hard drives,.... she'll POST with warnings and appear to shutdown.
 I give it a second, and then it'll switch itself on again, and she'll post with warnings. But I do get into bios , and it all works fine again.
 To me, if it detects ANY hardware changes?, it sets itself momentarily to "defaults" until it stabilizes for a few seconds.

 -and YES!!!, update your BIOS to the latest, I thinks its "F5" still.

 As far as drivers, I've used the "newer" online Intel "Rapid Storage" Intel-RST drivers for the X58/ahci/ICH10R...chipsets.
 I threw that "buggy" Gigabyte CD driver in the garbage awhile back.
 In other words, for most situations regarding the rest of the devices,  just download/install Gigabytes' "latest" drivers online.
 -anyway, I'm just trying to explain similar symptoms as what I get.

 ...hope this may help.

[scjet]

 check this thread too.

http://forum.giga-byte.co.uk/index.php/topic,1643.0.html

[UnFleshedOne]

And this one: http://forum.giga-byte.co.uk/index.php/topic,1569.0.html

[npham858]

I've read all of that and tried all solutions but they are not working. I don't even use RAID 0. I"m going to just RMA the board.