My Window 7 Laptop is Crash.Please Help me!

[AquaMan]

Dump File : 070111-9313-01.dmp
Crash Time : 7/1/2011 2:52:20 PM
Bug Check String : UNEXPECTED_KERNEL_MODE_TRAP
Bug Check Code : 0x1000007f
Parameter 1 : 0x00000008
Parameter 2 : 0x8ad03750
Parameter 3 : 0x00000000
Parameter 4 : 0x00000000
Caused By Driver : atikmdag.sys
Caused By Address : atikmdag.sys+17fc2
File Description : ATI Radeon Kernel Mode Driver
Product Name : ATI Radeon Family
Company : ATI Technologies Inc.
File Version : 8.01.01.984
Processor : 32-bit
Crash Address : atikmdag.sys+170406
Stack Address 1 : atikmdag.sys+17fc2
Stack Address 2 : atikmdag.sys+17cdf
Stack Address 3 : atikmdag.sys+23845
Computer Name :
Full Path : C:\Windows\Minidump\070111-9313-01.dmp
Processors Count : 4
Major Version : 15

Dump File : 070111-11700-01.dmp
Crash Time : 7/1/2011 2:39:39 AM
Bug Check String : UNEXPECTED_KERNEL_MODE_TRAP
Bug Check Code : 0x1000007f
Parameter 1 : 0x00000008
Parameter 2 : 0x801dd000
Parameter 3 : 0x00000000
Parameter 4 : 0x00000000
Caused By Driver : dxgmms1.sys
Caused By Address : dxgmms1.sys+cf6d
File Description : DirectX Graphics MMS
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7600.16385 (win7_rtm.090713-1255)
Processor : 32-bit
Crash Address : dxgmms1.sys+c844
Stack Address 1 : dxgmms1.sys+cf6d
Stack Address 2 : dxgkrnl.sys+1bdb
Stack Address 3 : dxgkrnl.sys+1c5e
Computer Name :
Full Path : C:\Windows\Minidump\070111-11700-01.dmp
Processors Count : 4
Major Version : 15

My PC Spec are as follows:

Window 7 ultimate 32bit
Intel Core i5 CPU M 430 2.27GHz
2 GB RAM
ATI Radeon 5430 512 MB

 

[Maguscreed]

we need the information outlined in the linked thread.
http://www.sevenforums.com/crashes-debugging/96879-blue-screen-death-bsod-posting-instructions.html

I know you have at least one minidump file as it's quoted in the information you provided.