Random lockups and BSODs

I called up my PC shop today, where I bought the bits that I built the machine with. They told me to check the voltage setting on my RAM. It was set at 1.5 v by default, however my RAM sticks state it should be 1.65 v ! I've changed this now, and will keep monitoring things.
 

My Computer My Computer

At a glance

Win7 64-bitAMD Phenom II X4 Quad Core 955 (Black Edition...Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000...XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Computer Manufacturer/Model Number
Self-built PC assembled from bought parts
OS
Win7 64-bit
CPU
AMD Phenom II X4 Quad Core 955 (Black Edition) 3.20Ghz (AM3)
Motherboard
ASUS Crosshair III Formula AMD 790FX (AM3) PCI-E DDR3
Memory
Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000C9D 9-9-9-24
Graphics Card(s)
XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Sound Card
Creative Soundblaster X-FI Extreme Audio
Monitor(s) Displays
Huyndai W220D 22"
Hard Drives
Drive 1: 128 GB (SATA-II)
Drive 2: 1 TB (Western Digital Cavier Green SATA-II 32MB Cache 7200RPM)
PSU
Thermaltake 700W
Case
Lian Li
Cooling
Artic Cooler Pro 64 (on CPU), 2 intake fans, 3 exit fans
Keyboard
Logitech wireless
Mouse
Logitech wireless
Internet Speed
10 MB/s
Please update us. I hope it works!
 

My Computer My Computer

At a glance

Windows 7 Ultimate 32 bitIntel(R) Pentium(R) 4 CPU 3.00GHz2.50 GB RAMNVIDIA GeForce 7600 GS
Computer Manufacturer/Model Number
Home built
OS
Windows 7 Ultimate 32 bit
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
ASUS P4P800-VM Motherboard Chipset: Intel 865G + ICH5
Memory
2.50 GB RAM
Graphics Card(s)
NVIDIA GeForce 7600 GS
Sound Card
SoundMax Integrated Digital Audio (Chip)
Monitor(s) Displays
ViewSonic VX 1962 wm
Screen Resolution
1680 X 1050
Hard Drives
Seagate Barracuda 7200.10 80 GB
ST380215A ATA Device 18.6 GB
Western Digital "My Book" external hard drive 750 GB
Cooling
Fan based
Keyboard
Microsoft Comfort Curve Keyboard 2000 v10 USB
Mouse
Logitec optic USB
Internet Speed
3.01 Mb/s download 0.64 Mb/s upload
Hi there, well after a few days of my PC behaving, today I have had an instance where a game (Lord of the Rings Online) stopped working and crashed back to Win 7 desktop (although my PC stayed up in Windows ok). I then had another instance of this problem but this was followed straight away by my usual problem of the screen going fuzzy and a BSOD, which said "Video memory management has stopped working or encountered a problem (or something along those lines)".

I've attached the usual zip file with this BSOD in it (I think the previous mini dump file of 15th Nov is also included in this zip file, with the one dumped today on the 28th Nov).

I'm almost at the point of giving up and buying a whole new PC, ready built and tested - this sounds a bit extreme, but I just can't get to the bottom of what is wrong with my PC.

Thanks in advance for any help you can give.
 

My Computer My Computer

At a glance

Win7 64-bitAMD Phenom II X4 Quad Core 955 (Black Edition...Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000...XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Computer Manufacturer/Model Number
Self-built PC assembled from bought parts
OS
Win7 64-bit
CPU
AMD Phenom II X4 Quad Core 955 (Black Edition) 3.20Ghz (AM3)
Motherboard
ASUS Crosshair III Formula AMD 790FX (AM3) PCI-E DDR3
Memory
Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000C9D 9-9-9-24
Graphics Card(s)
XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Sound Card
Creative Soundblaster X-FI Extreme Audio
Monitor(s) Displays
Huyndai W220D 22"
Hard Drives
Drive 1: 128 GB (SATA-II)
Drive 2: 1 TB (Western Digital Cavier Green SATA-II 32MB Cache 7200RPM)
PSU
Thermaltake 700W
Case
Lian Li
Cooling
Artic Cooler Pro 64 (on CPU), 2 intake fans, 3 exit fans
Keyboard
Logitech wireless
Mouse
Logitech wireless
Internet Speed
10 MB/s
I also had some more lock-ups and some BSODs later on this evening. In particular at one point, my PC wouldn't start up at the bios stage and was emitting a frequent bleeping noise until I re-started it.

Attached is an updated zip file with the new BSOD mini-dump files included.

Thanks !
 

My Computer My Computer

At a glance

Win7 64-bitAMD Phenom II X4 Quad Core 955 (Black Edition...Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000...XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Computer Manufacturer/Model Number
Self-built PC assembled from bought parts
OS
Win7 64-bit
CPU
AMD Phenom II X4 Quad Core 955 (Black Edition) 3.20Ghz (AM3)
Motherboard
ASUS Crosshair III Formula AMD 790FX (AM3) PCI-E DDR3
Memory
Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000C9D 9-9-9-24
Graphics Card(s)
XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Sound Card
Creative Soundblaster X-FI Extreme Audio
Monitor(s) Displays
Huyndai W220D 22"
Hard Drives
Drive 1: 128 GB (SATA-II)
Drive 2: 1 TB (Western Digital Cavier Green SATA-II 32MB Cache 7200RPM)
PSU
Thermaltake 700W
Case
Lian Li
Cooling
Artic Cooler Pro 64 (on CPU), 2 intake fans, 3 exit fans
Keyboard
Logitech wireless
Mouse
Logitech wireless
Internet Speed
10 MB/s
Hi; I am sorry to hear you are still having problems. I went back through this thread and it looks like you have tested just about everything possible. The fact that you have four different error codes in four dumps leads me to suspect a hardware problem.
Bugcheck A, VIDEO_MEMORY_MANAGEMENT_INTERNAL. Usual causes: Kernel mode driver, System Service, BIOS, Windows, Virus scanner, Backup tool, compatibility.

Bugcheck 10E, VIDEO_MEMORY_MANAGEMENT_INTERNAL. Usual causes: Video driver, ?Video memory

Bugcheck 4E, PFN_LIST_CORRUPT. Usual causes: Device driver, ?memory.

Bugcheck D1, DRIVER_IRQL_NOT_LESS_OR_EQUAL. Usually caused by a driver.
Code:
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Machine Name:
Kernel base = 0xfffff800`02a19000 PsLoadedModuleList = 0xfffff800`02c56e50
Debug session time: Mon Nov 15 05:03:00.581 2010 (GMT-5)
System Uptime: 0 days 0:02:12.329
Loading Kernel Symbols
..............................................Unable to load image Unknown_Module_00000000`00000000, Win32 error 0n2
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Unable to add module at 00000000`00000000

Loading User Symbols
Loading unloaded module list
.Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
..Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
..Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
..Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck A, {fffffa7ff3ffffe0, 2, 1, fffff80002ad1e89}

Probably caused by : memory_corruption ( nt!MmZeroPageThread+3d4 )

Followup: MachineOwner
---------

1: kd> !analyze -v
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If a kernel debugger is available get the stack backtrace.
Arguments:
Arg1: fffffa7ff3ffffe0, memory referenced
Arg2: 0000000000000002, IRQL
Arg3: 0000000000000001, bitfield :
    bit 0 : value 0 = read operation, 1 = write operation
    bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status)
Arg4: fffff80002ad1e89, address which referenced memory

Debugging Details:
------------------


WRITE_ADDRESS: GetPointerFromAddress: unable to read from fffff80002cc10e0
 fffffa7ff3ffffe0 

CURRENT_IRQL:  2

FAULTING_IP: 
nt!MmZeroPageThread+3d4
fffff800`02ad1e89 f0410fba6d1000  lock bts dword ptr [r13+10h],0

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

BUGCHECK_STR:  0xA

PROCESS_NAME:  System

TRAP_FRAME:  fffff880009a9a80 -- (.trap 0xfffff880009a9a80)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=000000000000006b rbx=0000000000000000 rcx=0000000000000000
rdx=0000000000000000 rsi=0000000000000000 rdi=0000000000000000
rip=fffff80002ad1e89 rsp=fffff880009a9c10 rbp=00000000000000ff
 r8=0000000000000000  r9=0000058000000000 r10=0000000000000002
r11=fffff880009a9c08 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0         nv up ei ng nz na pe nc
nt!MmZeroPageThread+0x3d4:
fffff800`02ad1e89 f0410fba6d1000  lock bts dword ptr [r13+10h],0 ds:a410:00000000`00000010=????????
Resetting default scope

LAST_CONTROL_TRANSFER:  from fffff80002a8a469 to fffff80002a8af00

STACK_TEXT:  
fffff880`009a9938 fffff800`02a8a469 : 00000000`0000000a fffffa7f`f3ffffe0 00000000`00000002 00000000`00000001 : nt!KeBugCheckEx
fffff880`009a9940 fffff800`02a890e0 : 00000000`00000000 ffffffff`ffbfffff 00000000`00000000 00000000`00000000 : nt!KiBugCheckDispatch+0x69
fffff880`009a9a80 fffff800`02ad1e89 : 00000000`000000ff 00000000`0000000f 00000000`00000002 00000000`00000000 : nt!KiPageFault+0x260
fffff880`009a9c10 fffff800`02d2e166 : fffffa80`03b4a410 00000000`00000080 fffffa80`03b4a990 fffff800`02a69479 : nt!MmZeroPageThread+0x3d4
fffff880`009a9d40 fffff800`02a69486 : fffff800`02c03e80 fffffa80`03b4a410 fffff800`02c11c40 8b4c7024`7c8b4868 : nt!PspSystemThreadStartup+0x5a
fffff880`009a9d80 00000000`00000000 : fffff880`009aa000 fffff880`009a4000 fffff880`009a99b0 00000000`00000000 : nt!KxStartSystemThread+0x16


STACK_COMMAND:  kb

FOLLOWUP_IP: 
nt!MmZeroPageThread+3d4
fffff800`02ad1e89 f0410fba6d1000  lock bts dword ptr [r13+10h],0

SYMBOL_STACK_INDEX:  3

SYMBOL_NAME:  nt!MmZeroPageThread+3d4

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: nt

DEBUG_FLR_IMAGE_TIMESTAMP:  4a5bc600

IMAGE_NAME:  memory_corruption

FAILURE_BUCKET_ID:  X64_0xA_nt!MmZeroPageThread+3d4

BUCKET_ID:  X64_0xA_nt!MmZeroPageThread+3d4

Followup: MachineOwner
---------

Debug session time: Sun Nov 28 12:34:49.728 2010 (GMT-5)
System Uptime: 0 days 4:57:49.102
Loading Kernel Symbols
...............................................................
.Unable to load image Unknown_Module_00000000`00000000, Win32 error 0n2
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Unable to add module at 00000000`00000000

Loading User Symbols
Loading unloaded module list
.....
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 10E, {1f, fffff8a00d17ce50, 0, 3fe2a9}

Probably caused by : watchdog.sys ( watchdog!WdLogEvent5+11b )

Followup: MachineOwner
---------

0: kd> !analyze -v
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

VIDEO_MEMORY_MANAGEMENT_INTERNAL (10e)
The video memory manager encountered a condition that it can't recover from. By crashing,
the video memory manager is attempting to get enough information into the minidump such that
somebody can pinpoint what lead to this condition.
Arguments:
Arg1: 000000000000001f, The subtype of the bugcheck:
Arg2: fffff8a00d17ce50
Arg3: 0000000000000000
Arg4: 00000000003fe2a9

Debugging Details:
------------------


BUGCHECK_STR:  0x10e_1f

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  System

CURRENT_IRQL:  0

LAST_CONTROL_TRANSFER:  from fffff88002ae322f to fffff80002ac8f00

STACK_TEXT:  
fffff880`01f35878 fffff880`02ae322f : 00000000`0000010e 00000000`0000001f fffff8a0`0d17ce50 00000000`00000000 : nt!KeBugCheckEx
fffff880`01f35880 fffff880`03f1c098 : fffff8a0`0d17ce50 fffff8a0`0d17ce50 00000000`003fe2a9 00000000`00000000 : watchdog!WdLogEvent5+0x11b
fffff880`01f358d0 fffff8a0`0d17ce50 : fffff8a0`0d17ce50 00000000`003fe2a9 00000000`00000000 00000000`00000000 : 0xfffff880`03f1c098
fffff880`01f358d8 fffff8a0`0d17ce50 : 00000000`003fe2a9 00000000`00000000 00000000`00000000 00000000`00000000 : 0xfffff8a0`0d17ce50
fffff880`01f358e0 00000000`003fe2a9 : 00000000`00000000 00000000`00000000 00000000`00000000 fffffa80`05819000 : 0xfffff8a0`0d17ce50
fffff880`01f358e8 00000000`00000000 : 00000000`00000000 00000000`00000000 fffffa80`05819000 fffff880`03f198af : 0x3fe2a9


STACK_COMMAND:  kb

FOLLOWUP_IP: 
watchdog!WdLogEvent5+11b
fffff880`02ae322f cc              int     3

SYMBOL_STACK_INDEX:  1

SYMBOL_NAME:  watchdog!WdLogEvent5+11b

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: watchdog

IMAGE_NAME:  watchdog.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  4a5bc53f

FAILURE_BUCKET_ID:  X64_0x10e_1f_watchdog!WdLogEvent5+11b

BUCKET_ID:  X64_0x10e_1f_watchdog!WdLogEvent5+11b

Followup: MachineOwner
---------

Debug session time: Sun Nov 28 16:29:58.498 2010 (GMT-5)
System Uptime: 0 days 2:39:43.887
Loading Kernel Symbols
..............................................Unable to add module at ffffffff`ffffffff
.Unable to load image Unknown_Module_00000000`00000000, Win32 error 0n2
*** WARNING: Unable to verify timestamp for Unknown_Module_00000000`00000000
Unable to add module at 00000000`00000000
.
Loading User Symbols
Loading unloaded module list
.Missing image name, possible paged-out or corrupt data.
...Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
..Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
Missing image name, possible paged-out or corrupt data.
.Missing image name, possible paged-out or corrupt data.
.
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 4E, {7, 109094, 40a94, 0}

Probably caused by : Unknown_Module_fffff880`00de6060 ( Unknown_Module_fffff880`00de6060>+2e1d792 )

Followup: MachineOwner
---------

0: kd> !analyze -v
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

PFN_LIST_CORRUPT (4e)
Typically caused by drivers passing bad memory descriptor lists (ie: calling
MmUnlockPages twice with the same list, etc).  If a kernel debugger is
available get the stack trace.
Arguments:
Arg1: 0000000000000007, A driver has unlocked a page more times than it locked it
Arg2: 0000000000109094, page frame number
Arg3: 0000000000040a94, current share count
Arg4: 0000000000000000, 0

Debugging Details:
------------------


BUGCHECK_STR:  0x4E_7

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  System

CURRENT_IRQL:  0

IP_MODULE_UNLOADED: 
Unknown_Module_fffff880`00de6060>+2e1d792
fffff880`03c037f2 ??              ???

LAST_CONTROL_TRANSFER:  from fffff80002a9ca3a to fffff88003c037f2

STACK_TEXT:  
fffff800`00b9cc98 fffff800`02a9ca3a : 00000000`002fd8ea fffffa80`051cfdd8 fffff800`02c15c40 00000000`00000001 : <Unloaded_Unknown_Module_fffff880`00de6060>+0x2e1d792
fffff800`00b9cca0 fffff800`02a976cc : fffff800`02c07e80 fffff800`00000000 00000000`00000000 fffff880`01431c50 : nt!PoIdle+0x53a
fffff800`00b9cd80 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiIdleLoop+0x2c


STACK_COMMAND:  kb

FOLLOWUP_IP: 
Unknown_Module_fffff880`00de6060>+2e1d792
fffff880`03c037f2 ??              ???

SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  Unknown_Module_fffff880`00de6060>+2e1d792

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: Unknown_Module_fffff880`00de6060

IMAGE_NAME:  Unknown_Module_fffff880`00de6060

DEBUG_FLR_IMAGE_TIMESTAMP:  0

FAILURE_BUCKET_ID:  X64_0x4E_7_Unknown_Module_fffff880_00de6060_+2e1d792

BUCKET_ID:  X64_0x4E_7_Unknown_Module_fffff880_00de6060_+2e1d792

Followup: MachineOwner
---------

Debug session time: Sun Nov 28 16:38:10.804 2010 (GMT-5)
System Uptime: 0 days 0:00:26.194
Loading Kernel Symbols
..............................................
Loading User Symbols
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck D1, {200, 2, 1, fffff880009ce1e8}

Probably caused by : ntkrnlmp.exe ( nt!PoIdle+53a )

Followup: MachineOwner
---------

0: kd> !analyze -v
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If kernel debugger is available get stack backtrace.
Arguments:
Arg1: 0000000000000200, memory referenced
Arg2: 0000000000000002, IRQL
Arg3: 0000000000000001, value 0 = read operation, 1 = write operation
Arg4: fffff880009ce1e8, address which referenced memory

Debugging Details:
------------------


WRITE_ADDRESS: GetPointerFromAddress: unable to read from fffff80002cbf0e0
 0000000000000200 

CURRENT_IRQL:  0

FAULTING_IP: 
+60e3952f00d0da0c
fffff880`009ce1e8 ??              ???

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

BUGCHECK_STR:  0xD1

PROCESS_NAME:  System

LAST_CONTROL_TRANSFER:  from fffff80002a96a3a to fffff88003c5e7f2

STACK_TEXT:  
fffff800`00b9cc98 fffff800`02a96a3a : 00000000`002fd8f4 fffffa80`04f60a48 fffff800`02c0fc40 00000000`00000002 : 0xfffff880`03c5e7f2
fffff800`00b9cca0 fffff800`02a916cc : fffff800`02c01e80 fffff800`00000000 00000000`00000000 fffff880`014d5c50 : nt!PoIdle+0x53a
fffff800`00b9cd80 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiIdleLoop+0x2c


STACK_COMMAND:  kb

FOLLOWUP_IP: 
nt!PoIdle+53a
fffff800`02a96a3a 0fba2506fc17000f bt      dword ptr [nt!PerfGlobalGroupMask+0x8 (fffff800`02c16648)],0Fh

SYMBOL_STACK_INDEX:  1

SYMBOL_NAME:  nt!PoIdle+53a

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: nt

IMAGE_NAME:  ntkrnlmp.exe

DEBUG_FLR_IMAGE_TIMESTAMP:  4a5bc600

FAILURE_BUCKET_ID:  X64_0xD1_nt!PoIdle+53a

BUCKET_ID:  X64_0xD1_nt!PoIdle+53a

Followup: MachineOwner
---------
I have to agree with Jonathan. I think your motherboard may be at fault or possibly you power supply. Do you have access to another known good power supply you could try?
 

My Computer My Computer

At a glance

Windows 7 Ultimate 32 bitIntel(R) Pentium(R) 4 CPU 3.00GHz2.50 GB RAMNVIDIA GeForce 7600 GS
Computer Manufacturer/Model Number
Home built
OS
Windows 7 Ultimate 32 bit
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
ASUS P4P800-VM Motherboard Chipset: Intel 865G + ICH5
Memory
2.50 GB RAM
Graphics Card(s)
NVIDIA GeForce 7600 GS
Sound Card
SoundMax Integrated Digital Audio (Chip)
Monitor(s) Displays
ViewSonic VX 1962 wm
Screen Resolution
1680 X 1050
Hard Drives
Seagate Barracuda 7200.10 80 GB
ST380215A ATA Device 18.6 GB
Western Digital "My Book" external hard drive 750 GB
Cooling
Fan based
Keyboard
Microsoft Comfort Curve Keyboard 2000 v10 USB
Mouse
Logitec optic USB
Internet Speed
3.01 Mb/s download 0.64 Mb/s upload
Hi there, thanks for the response as ever. I don't have access to another PSU unfortunately. I do still have my old motherboard, so I could rebuild my PC using that with my old RAM etc. However, since that will take some time and this has been going on for 2 months now, I think I will let my local PC shop test it. If they can't find anything wrong with it, I will likely buy another pre-build and pre-tested PC.

I'll let you know if my local shop finds anything wrong with it.

Thanks once again !

p.s. Some of the BSODs posted above which happened last night were when I had swopped my old graphics card in, so at least that proves my graphics card is not likely to be at fault.
 

My Computer My Computer

At a glance

Win7 64-bitAMD Phenom II X4 Quad Core 955 (Black Edition...Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000...XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Computer Manufacturer/Model Number
Self-built PC assembled from bought parts
OS
Win7 64-bit
CPU
AMD Phenom II X4 Quad Core 955 (Black Edition) 3.20Ghz (AM3)
Motherboard
ASUS Crosshair III Formula AMD 790FX (AM3) PCI-E DDR3
Memory
Corsair Dominator XMS3 4GB (2x2GB) DDR3 16000C9D 9-9-9-24
Graphics Card(s)
XFX ATI Radeon HD 5770 1024MB GDDR5 PCI-E
Sound Card
Creative Soundblaster X-FI Extreme Audio
Monitor(s) Displays
Huyndai W220D 22"
Hard Drives
Drive 1: 128 GB (SATA-II)
Drive 2: 1 TB (Western Digital Cavier Green SATA-II 32MB Cache 7200RPM)
PSU
Thermaltake 700W
Case
Lian Li
Cooling
Artic Cooler Pro 64 (on CPU), 2 intake fans, 3 exit fans
Keyboard
Logitech wireless
Mouse
Logitech wireless
Internet Speed
10 MB/s
I think that is a good decision. Be sure to let them know all that you have done and tried. They may help them narrow things down. Please let us know what they find. I hope they can solve it for you.
 

My Computer My Computer

At a glance

Windows 7 Ultimate 32 bitIntel(R) Pentium(R) 4 CPU 3.00GHz2.50 GB RAMNVIDIA GeForce 7600 GS
Computer Manufacturer/Model Number
Home built
OS
Windows 7 Ultimate 32 bit
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
ASUS P4P800-VM Motherboard Chipset: Intel 865G + ICH5
Memory
2.50 GB RAM
Graphics Card(s)
NVIDIA GeForce 7600 GS
Sound Card
SoundMax Integrated Digital Audio (Chip)
Monitor(s) Displays
ViewSonic VX 1962 wm
Screen Resolution
1680 X 1050
Hard Drives
Seagate Barracuda 7200.10 80 GB
ST380215A ATA Device 18.6 GB
Western Digital "My Book" external hard drive 750 GB
Cooling
Fan based
Keyboard
Microsoft Comfort Curve Keyboard 2000 v10 USB
Mouse
Logitec optic USB
Internet Speed
3.01 Mb/s download 0.64 Mb/s upload
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