Windows 7 Blue Screen Error

My brother recently purchased a Windows 7 laptop from dell & yesterday i helped him set everything up & today when he turned it on a blue screen error message came up when he started typing his password but it only stayed on for 30 seconds because it automatically rebooted & fixed itself. The same thing happened later that day when he turned it on again. A pop up message saying their was an error displayed when he logged in & it displayed the information below. Since this is a new computer this shouldn't be happening so please help us make this error message go away.

Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Pentium(R) CPU 2127U @ 1.90GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 2
RAM: 3983 Mb
Graphics Card: Intel(R) HD Graphics, 1799 Mb
Hard Drives: C: Total - 454712 MB, Free - 410819 MB;
Motherboard: Dell Inc., 0FXP6Y
Antivirus: AVG AntiVirus Free Edition 2014, Updated and Enabled

Problem signature:
Problem Event Name: Blue Screen
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033

Additional information about the problem:
BCCode: 5
BCP1: FFFFFA8003F4F710
BCP2: FFFFFA8009ECEB30
BCP3: 0000000000000000
BCP4: 0000000000000001
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\042414-36816-01.dmp
C:\Users\Kevin\AppData\Local\Temp\WER-82134-0.sysdata.xml

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Update 4/25/2014: My brother thinks the problem may be caused by his windows password since the blue screen error only came up when he started typing in the password so he deleted his password hoping that solves the problem & so far no blue screen error message. I'll keep an eye on it over the weekend & will report back on monday at the latest.