New System Experiencing 2 Problems-help pls

[FirstTimeCompBuilder]

Hey everyone, just wanted to say thanks ahead of time for your time spent reading and hopefully answering my post/questions.

Just recently built my first PC with no issues. Started up perfect the first time, loaded windows and I was off. Components consist of:

CPU Intel i5 2500k
http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072

Motherboard ASUS P8P67
http://www.newegg.com/Product/Product.aspx?Item=N82E16813131705

CPU Cooler Prolimatech Megahalems
http://www.newegg.com/Product/Product.aspx?Item=N82E16835242001

Video Card EVGA GeForce 570 HD
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130613

Memory G Skill Ripjaw X Series 2x4 GB (8 total)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231428


HD WD Caviar Blue 500GB 7200RPM 3 Gb/s http://www.newegg.com/Product/Product.aspx?Item=N82E16822136073

Power Supply Corsair Enthusiast Series 650 TX
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139005

DVD Rom Lite-On 24x
http://www.newegg.com/Product/Product.aspx?Item=N82E16827106335

O/S Windows Home Premium 64 bit
http://www.newegg.com/Product/Product.aspx?Item=N82E16832116754

Case Cooler Master HAF 932
http://www.newegg.com/Product/Product.aspx?Item=N82E16811119160

Extra Fans 2x Apevia 120mm Blue LED case fan http://www.newegg.com/Product/Product.aspx?Item=N82E16811998121

Thermal Compound Arctic Silver 5
http://www.newegg.com/Product/Product.aspx?Item=N82E16835100007

Just for poops and giggles, here is a time lapse video of the first 50% of the build. Not mandatory to watch but good for a chuckle.
http://www.youtube.com/watch?v=qMMXqEsWgKQ


The machine has been running solid for about a week+ now with no issues. My first question is regarding a red LED on bootup on my motherboard. On the ASUS P8P67 Mobo a small red LED light lights up on bootup in the top right corner. The only information I can find on this online and/or in the product manual is some MEM:! OK LED. I can’t find any info anywhere in regards to what it means, what I should do, fixes, etc… If anybody has any help here it would be greatly appreciated! It has been lighting up since day 1.

The main problem im writing about today is a power issue. When I first turn on the computer it starts booting up and after 5-8 seconds it powers down by itself (sounds just like somebody pulled the plug out). Without me touching anything and after a few more seconds it turns itself back on and boots up properly.
Here is a brief video of this issue http://www.youtube.com/watch?v=3WZ_fTKzZLI
This is a new problem which just came about the other day. The ONLY thing I have done different or changed is my monitor. I went from a Dell 20” to a ASUS 24”. I can’t recall if the power issue started immediately after hooking up the new monitor.

Any suggestions? I spoke with some of the lead engineers at my office and one mentioned to try installing drivers for the monitor. He said the computer might be booting up and not see any monitor. Then it might be shutting itself down to re-boot up with standard monitor settings. I’m running a HDMI cable FYI.

Thanks in advance

 

[bavman]

With regards to the lights, my asus board has several of them and during POST it checks to make sure all the components attached to the board are running correctly. Each light, lights up confirming this, but it takes a while so i just turned it off in BIOS settings.

To you other problem. Does it do this every time? Have you overclocked you gpu/cpu? Would it be possible for you to get a hold of your friend's psu to use on your computer to try to pinpoint the problem?