Thanks johnb, device manager has a yellow exclamation mark on the following
Realrek PCIe GBE Family controller
WAN Miniport (IP)
WAN Miniport (IPv6)
WAN Miniport (Network Monitor)
AMDA00 Interface
Blue Screen View text
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Dump File : 032915-2542-01.dmp
Crash Time : 29/03/2015 13:17:03
Bug Check String : REGISTRY_ERROR
Bug Check Code : 0x00000051
Parameter 1 : 00000000`00000001
Parameter 2 : fffff8a0`00024010
Parameter 3 : 00000000`0104f000
Parameter 4 : 00000000`00000374
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+74ec0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7601.18741 (win7sp1_gdr.150202-1526)
Processor : x64
Crash Address : ntoskrnl.exe+74ec0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\032915-2542-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7601
Dump File Size : 288,896
Dump File Time : 29/03/2015 13:17:35
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Dump File : 032915-2449-01.dmp
Crash Time : 29/03/2015 12:52:31
Bug Check String : REGISTRY_ERROR
Bug Check Code : 0x00000051
Parameter 1 : 00000000`00000001
Parameter 2 : fffff8a0`00024010
Parameter 3 : 00000000`0104f000
Parameter 4 : 00000000`00000374
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+74ec0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7601.18741 (win7sp1_gdr.150202-1526)
Processor : x64
Crash Address : ntoskrnl.exe+74ec0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\032915-2449-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7601
Dump File Size : 288,896
Dump File Time : 29/03/2015 12:53:05
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Dump File : 032915-2527-01.dmp
Crash Time : 29/03/2015 03:19:32
Bug Check String : PAGE_FAULT_IN_NONPAGED_AREA
Bug Check Code : 0x00000050
Parameter 1 : fffff8a0`02dfe000
Parameter 2 : 00000000`00000000
Parameter 3 : fffff800`0315c01f
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+74ec0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7601.18741 (win7sp1_gdr.150202-1526)
Processor : x64
Crash Address : ntoskrnl.exe+74ec0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\032915-2527-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7601
Dump File Size : 288,896
Dump File Time : 29/03/2015 03:20:14
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Dump File : 032915-3182-01.dmp
Crash Time : 29/03/2015 02:51:21
Bug Check String : PAGE_FAULT_IN_NONPAGED_AREA
Bug Check Code : 0x00000050
Parameter 1 : fffff8a0`02d3b000
Parameter 2 : 00000000`00000000
Parameter 3 : fffff800`0311501f
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+74ec0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7601.18741 (win7sp1_gdr.150202-1526)
Processor : x64
Crash Address : ntoskrnl.exe+74ec0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\032915-3182-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7601
Dump File Size : 288,896
Dump File Time : 29/03/2015 02:51:52
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Dump File : 032915-5600-01.dmp
Crash Time : 29/03/2015 02:49:34
Bug Check String : PAGE_FAULT_IN_NONPAGED_AREA
Bug Check Code : 0x00000050
Parameter 1 : fffff8a0`09f77000
Parameter 2 : 00000000`00000000
Parameter 3 : fffff800`0316301f
Parameter 4 : 00000000`00000000
Caused By Driver : ntoskrnl.exe
Caused By Address : ntoskrnl.exe+74ec0
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.1.7601.18741 (win7sp1_gdr.150202-1526)
Processor : x64
Crash Address : ntoskrnl.exe+74ec0
Stack Address 1 :
Stack Address 2 :
Stack Address 3 :
Computer Name :
Full Path : C:\Windows\Minidump\032915-5600-01.dmp
Processors Count : 4
Major Version : 15
Minor Version : 7601
Dump File Size : 288,896
Dump File Time : 29/03/2015 02:50:05
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