BIOS Error, help

Hi,

Well following problem, i built my system few days ago i turned it on and had following message "New CPU installed, go to setup" and "Chasis Intruded, Fatal Error, system error" and i couldn't boot my HDD with Windows XP Pro SP3 32bit system. Some people told me to reseat the CPU, i did it and i flashed my BIOS to newer version. I can get into Windows now, but i have the following error "Cpu Error, F1 to enter Setup" and this:

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So i have this "color" bug, i flashed bios twice to different versions, using one of the newest and "stabelest" one, i got the "CPU Error" and my CPU Temperature went up to around 42C from 30C. I've installed Windows 7 today and it's working so far, it's the 3 errors that i'm worryed about and i don't know what to do.

Mainboard S-1155 ASUS P8P67 Pro, ATX
Prozessor INTEL Core i5 - 2500K, 3,30GHz, LGA1155, Quad-Core, Boxed
PSU ATX 650 Watt, CORSAIR 650TX, 80Plus
GFX CARD ATI HD4850 512mb&256bit - for now, keeping it from old PC
G.Skill DIMM 4 GB DDR3-1600 Kit (F3-12800CL7D-4GBRM, Ripjaws-Serie) CL7 8-7-24
DVD-+R/-+RW SATA LG GH-22NS50, bulk,
HDD SATA II Samsung SpinPoint F4, 320 GB, 16MB Cache - from old PC
Miditower XIGMATEK Midgard
Mugen 2 CPU Cooler

Thanks

Have you read this article ?
Sandybridge Chipset Design Flaw and Recall- MUST READ
You are using SATA II on a SB build, thats a big no no with all the problems of the sata controller in the faulty SB chips. Get a SATA III SSD and try if it resolves the problem.

If not, then you should strip the computer to only necessary things like
MOBO
CPU
CPU Cooler
1 stick of RAM
PSU
LOW power GPU

Nothing else and see if the error goes away. NO HDD NO DVD.