Need help here!!!!

Problem: BSOD

The Story: 1st bought installed B.Ops and MW3 running fine finished the game. After 1 months or so have installed Dirt 3 and had that problem , then the problem eventually occur on all high spec games (L4D2,NFSRun,F12011,Portal 2)

Things I did : High Perfomance settings , Upgrade Nvidia Drivers , Use 1x 4gb ram instead of 2 , switch ram slots

I know the N is not optimised for gaming but i believe shouldnt be much of a problem rite?? so please help. Thx alot in advance !!

N55S i5 variation

How to check?? Please tell me what info I need to get and how to check thx

This is basically what i got from the system info


[Display]
Operating System: Windows 7 Ultimate, 64-bit (Service Pack 1)
DirectX version: 11.0
GPU processor: GeForce GT 555M
Driver version: 285.62
DirectX support: 11
CUDA Cores: 144
Core clock: 675 MHz
Shader clock: 1350 MHz
Memory clock: 900 MHz (1800 MHz data rate)
Memory interface: 128-bit
Total available graphics memory: 4095 MB
Dedicated video memory: 2048 MB DDR3
System video memory: 0 MB
Shared system memory: 2047 MB
Video BIOS version: 70.26.32.00.03
IRQ: 16
Bus: PCI Express x16 Gen2

[Components]

easyUpdatusAPIU64.DLL 1.5.20.0 NVIDIA Update Components
WLMerger.exe 1.5.20.0 NVIDIA Update Components
Nvlhr.exe 1.5.20.0 NVIDIA Update Components
daemonu.exe 1.5.20.0 NVIDIA Update Components
ComUpdatusPS.dll 1.5.20.0 NVIDIA Update Components
ComUpdatus.exe 1.5.20.0 NVIDIA Update Components
NvUpdtr.dll 1.5.20.0 NVIDIA Update Components
NvUpdt.dll 1.5.20.0 NVIDIA Update Components
nvui.dll 7.17.12.8562 NVIDIA User Experience Driver Component
nvxdsync.exe 8.17.12.8562 NVIDIA User Experience Driver Component
nvxdplcy.dll 8.17.12.8562 NVIDIA User Experience Driver Component
nvxdbat.dll 8.17.12.8562 NVIDIA User Experience Driver Component
nvxdapix.dll 8.17.12.8562 NVIDIA User Experience Driver Component
NVCPL.DLL 8.17.12.8562 NVIDIA User Experience Driver Component
nvCplUIR.dll 3.9.731.0 NVIDIA Control Panel
nvCplUI.exe 3.9.731.0 NVIDIA Control Panel
nvWSSR.dll 6.14.12.8562 NVIDIA Workstation Server
nvWSS.dll 6.14.12.8562 NVIDIA Workstation Server
nvViTvSR.dll 6.14.12.8562 NVIDIA Video Server
nvViTvS.dll 6.14.12.8562 NVIDIA Video Server
NVSTVIEW.EXE 7.17.12.8562 NVIDIA 3D Vision Photo Viewer
NVSTTEST.EXE 7.17.12.8562 NVIDIA 3D Vision Test Application
NVSTRES.DLL 7.17.12.8562 NVIDIA 3D Vision Module (0)
nvDispSR.dll 6.14.12.8562 NVIDIA Display Server
NVMCTRAY.DLL 8.17.12.8562 NVIDIA Media Center Library
nvDispS.dll 6.14.12.8562 NVIDIA Display Server
PhysX 09.11.0621 NVIDIA PhysX
NVCUDA.DLL 8.17.12.8562 NVIDIA CUDA 4.1.1 driver
nvGameSR.dll 6.14.12.8562 NVIDIA 3D Settings Server
nvGameS.dll 6.14.12.8562 NVIDIA 3D Settings Server

Back wit an update since I juz kena de BSOD again....this is the error message....see if anyone have any idea what its about...

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 17417

Additional information about the problem:
BCCode: 116
BCP1: FFFFFA80076FA2E0
BCP2: FFFFF88007358F14
BCP3: FFFFFFFFC000009A
BCP4: 0000000000000004
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\022612-31605-01.dmp
C:\Users\WEESEN\AppData\Local\Temp\WER-133100-0.sysdata.xml

Its happen 90% in games the other 10% is for low graph games like dota and football manager....

Latest driver and yes everytime...for arnd 1-2 hours sure kena