Random Computer Freezing (No BSOD) and nvlddmkm stopped responding

*Note that his is my first thread and I don't remember all the information of my system*
Thanks in advance for the help!
Okay, so my problem started a couple of weeks ago (on December 27, 2013 to be exact) and I have received freezing at random moments while using my computer. The system becomes 100% unresponsive and nothing on the monitor moves, nor can I use my devices such as trying to press 'caps locks' on the keyboard to see if the light comes on. It does not
There are a few things that may be causing this:
1: I installed a new graphics card; a GTX 770. Link:http://www.newegg.com/Product/Product.aspx?Item=N82E16814130939
2: I replaced my 24 inch monitor with two (2) 27 inch monitors.
and 3: I am realizing my CPU temperature gets abnormally high while gaming and even searching the internet sometimes. The temperature goes up to 140-160 degrees Fahrenheit while playing a demanding game on my PC and around 120 degrees Fahrenheit while playing not as demanding games (like Left 4 Dead 2). Currently, with only a few programs running, it is at 109 degrees Fahrenheit.

Things I have tried:
1: Virus scan and used Malwarebytes
2: Ran memtest for a couple of hours with no errors
3: Checked to make sure all cables are plugged completely in inside my PC
4: Ran CCleaner
5: Updated graphics driver to latest version
6: tried to roll back graphics driver to more stable version
7: Used a different browser (I heard that the problem could be coming from Chrome because I have it in the background a lot)
8: Ordered a new CPU heat sink ( http://www.newegg.com/Product/Product.aspx?Item=N82E16835214023 ) with thermal paste
9: Ordered new hard drive ( A western digital black 1Tb )
10: probably other things that I have forgotten (such as a couple of hot fixes and etc.)

System Specs:
Motherboard: GIGABYTE GA-Z77X-UD3H
CPU: Intel Core i5-3570K CPU @ 3.40GHz
GPU: nVidia GeForce GTX 770 (Linked above)
Ram: 8Gb of Kingston 1600 MHz ( I think that is the MHz value. I could use a better way to find out if you have suggestions)
HDD: Western Digital Blue 1 Tb ( WDC WD10EALX-009BA0 )
PSU: OCZ 700 watt (all I could really pull back up from that, sorry if it is not enough info about it)
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More about random computer freezing bsod nvlddmkm stopped responding
  1. Update: I have put my new hard drive in with the other one (so I now have 2 active) and there has been no crashes so far today.
    *Edit* Nevermind, it froze again. I also tried the CPU fan and the temperatures are nice and low but it still froze, that knocks overheating out of the way
  2. Bump. I really need a solution to this, it is getting very annoying. If you can direct me to another thread or a reference site even, it would be a great help.
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