Blue Screen Death Issue In Wndows 7 Asus Laptop

Hello here have a problem with my Asus K53S Laptop...It ran to blue screen death when it is using.Some times AutoCAD or like application and think it is about the graphics issue, but cant have to correctly identify that so please help me to fix it..It have Windows 7 64bit OS with i5 processor and Intel graphics as 1.6gb (64mb dedicated) and nvidia Geoforce GT630M graphics (Driver Version: 9.18.13.1090 2GB. Also here giving the death information from windows below

Problem signature:

Problem Event Name: BlueScreen

OS Version: 6.1.7600.2.0.0.256.1

Locale ID: 1033

Additional information about the problem:

BCCode: 116

BCP1: FFFFFA80045534E0

BCP2: FFFFF88004D48404

BCP3: 0000000000000000

BCP4: 0000000000000002

OS Version: 6_1_7600

Service Pack: 0_0

Product: 256_1

Files that help describe the problem:

C:\Windows\Minidump\050916-16083-01.dmp

C:\Users\user\AppData\Local\Temp\WER-55489-0.sysdata.xml

Read our privacy statement online:

http://go.microsoft.com/fwlink/?linkid=1...

If the online privacy statement is not available, please read our privacy statement offline:

C:\Windows\system32\en-US\erofflps.txt

Also Have blue screen death information below

050916-15334-01.dmp

5/9/2016 11:08:46 AM

0x00000116

fffffa80`0484c010

fffff880`093ed404

00000000`00000000

00000000`00000002

dxgkrnl.sys

dxgkrnl.sys+5ccbc

DirectX Graphics Kernel Microsoft® Windows® Operating System

Microsoft Corporation 6.1.7600.16385 (win7_rtm.090713-1255)

x64

ntoskrnl.exe+71f00

C:\Windows\Minidump\050916-15334-01.dmp 4

15

7600

382,312

5/9/2016

11:09:43 AM

Also touch pad not working after some time log in

So please help me to this sincerely…Anshad Cp