Windows 7 - Is this drivers problem??

Hello All

I am facing problem with my HP DV4 1204tu, i want to know is this drivers problem??

When i was using Vista basic same problem happen and now i am using 7 Ultimate and problem persist with below code of error.

My PC gives me bluescreen while starting PC or in between working.

After reboot it looks like this,

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 5129
Additional information about the problem:
BCCode: 7f
BCP1: 0000000D
BCP2: 00000000
BCP3: 00000000
BCP4: 00000000
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1

Please help me solve this problem, i dont have any other PC/laptop to use apart from laptop.
Please give me some suggestion i think there is some problem with drivers.
Thanks in Advance

Check your ram.

Memory Diagnostics Tool

Memtest86+ - Advanced Memory Diagnostic Tool

Check your HD.

SFC /SCANNOW Command - System File Checker

Disk Check

Check with a hard drive diagnostic tools.

Hard Drive Diagnostics Tools and Utilities (Storage) - TACKtech Corp.

Zip up the .dmp so I can dissect it. Good links above though. I would add the Short DST of Seagate Seatools.