Screen flickering like mad then reboot

jozi

Browsing the web earlier I opened a few tabs (firefox) and the pc froze, screen started flickering like mad and then after a few seconds went black and a reboot. I also had thunderbird open and Revit (which would be quite heavy I guess on resources). Seems cookies are made invalid as well as I had to log back in to a few sites. It's a fresh enough install of win7 64bit, not even a week old.

Any clue as to what it might be? Windows tells me it recovered from a unexpected shutdowns

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 6153

Additional information about the problem:
BCCode: d1
BCP1: 0000000000000008
BCP2: 0000000000000002
BCP3: 0000000000000000
BCP4: FFFFF8801177A97E
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\102212-14398-01.dmp
C:\Users\Jozi\AppData\Local\Temp\WER-18532-0.sysdata.xml

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