Blue Screen of Death

I don't really understand what's wrong. I recently updated my graphics card to a new one. I made sure everything is plugged in correctly and so forth. Hopefully, somebody could help me figure out my problem.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033

Additional information about the problem:
BCCode: 4e
BCP1: 0000000000000099
BCP2: 0000000000067723
BCP3: 0000000000000002
BCP4: 00000000000BD522
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\072813-15085-01.dmp
C:\Users\Asterion\AppData\Local\Temp\WER-31371-0.sysdata.xml