I just happened to notice this thread.
I'm not a hardware guy so can't provide more specific answers. But just skimmed your Dxdiag report in your first post which shows something odd
The System Devices section of a dxdiag report displays "PCI connected" devices and their driver ("PCI devices" are connected to the computer's primary data bus). I've included a "snippet" of the System Devices in your report. It's odd that none of these devices show a driver (they all show n/a). Not displaying any drivers in the report seems odd. Try reinstalling your chipset drivers
Code:
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System Devices
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Name: Intel(R) processor PCI Express Root Port 1 - D138
Device ID: PCI\VEN_8086&DEV_D138&SUBSYS_2A9C103C&REV_11\3&11583659&0&18
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host Controller - 3B34
Device ID: PCI\VEN_8086&DEV_3B34&SUBSYS_2A9C103C&REV_06\3&11583659&0&E8
Driver: n/a
Name: NVIDIA GeForce GT 230
Device ID: PCI\VEN_10DE&DEV_0603&SUBSYS_90441B0A&REV_A2\4&30136BC7&0&0018
Driver: n/a
Name: Intel(R) processor DMI - D131
Device ID: PCI\VEN_8086&DEV_D131&SUBSYS_2A9C103C&REV_11\3&11583659&0&00
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family SMBus Controller - 3B30
Device ID: PCI\VEN_8086&DEV_3B30&SUBSYS_2A9C103C&REV_06\3&11583659&0&FB
Driver: n/a
Name: Intel(R) processor Miscellaneous Registers - D158
Device ID: PCI\VEN_8086&DEV_D158&SUBSYS_009C003C&REV_11\3&11583659&0&43
Driver: n/a
Name: Intel(R) Management Engine Interface
Device ID: PCI\VEN_8086&DEV_3B64&SUBSYS_2A9C103C&REV_06\3&11583659&0&B0
Driver: n/a
Name: Intel(R) H57 Express Chipset LPC Interface Controller - 3B08
Device ID: PCI\VEN_8086&DEV_3B08&SUBSYS_2A9C103C&REV_06\3&11583659&0&F8
Driver: n/a
Name: Intel(R) processor System Control and Status Registers - D157
Device ID: PCI\VEN_8086&DEV_D157&SUBSYS_009C003C&REV_11\3&11583659&0&42
Driver: n/a
Name: High Definition Audio Controller
Device ID: PCI\VEN_8086&DEV_3B56&SUBSYS_2A9C103C&REV_06\3&11583659&0&D8
Driver: n/a
Name: Intel(R) ICH8R/ICH9R/ICH10R/DO/5 Series/3400 Series SATA RAID Controller
Device ID: PCI\VEN_8086&DEV_2822&SUBSYS_2A9C103C&REV_06\3&11583659&0&FA
Driver: n/a
Name: Intel(R) processor Semaphore and Scratchpad Registers - D156
Device ID: PCI\VEN_8086&DEV_D156&SUBSYS_009C003C&REV_11\3&11583659&0&41
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port 4 - 3B48
Device ID: PCI\VEN_8086&DEV_3B48&SUBSYS_2A9C103C&REV_06\3&11583659&0&E3
Driver: n/a
Name: Intel(R) 82801 PCI Bridge - 244E
Device ID: PCI\VEN_8086&DEV_244E&SUBSYS_2A9C103C&REV_A6\3&11583659&0&F0
Driver: n/a
Name: Intel(R) processor System Management Registers - D155
Device ID: PCI\VEN_8086&DEV_D155&SUBSYS_009C003C&REV_11\3&11583659&0&40
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port 3 - 3B46
Device ID: PCI\VEN_8086&DEV_3B46&SUBSYS_2A9C103C&REV_06\3&11583659&0&E2
Driver: n/a
Name: Atheros 802.11 a/b/g/n Dualband Wireless Network Module
Device ID: PCI\VEN_168C&DEV_002A&SUBSYS_1000168C&REV_01\4&2ED86587&0&00E3
Driver: n/a
Name: Intel(R) QuickPath Interconnect - D151
Device ID: PCI\VEN_8086&DEV_D151&SUBSYS_009C003C&REV_11\3&11583659&0&81
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port 1 - 3B42
Device ID: PCI\VEN_8086&DEV_3B42&SUBSYS_2A9C103C&REV_06\3&11583659&0&E0
Driver: n/a
Name: VIA 1394 OHCI Compliant Host Controller
Device ID: PCI\VEN_1106&DEV_3403&SUBSYS_2A9C103C&REV_00\4&1F410527&0&00E2
Driver: n/a
Name: Intel(R) QuickPath Interconnect - D150
Device ID: PCI\VEN_8086&DEV_D150&SUBSYS_009C003C&REV_11\3&11583659&0&80
Driver: n/a
Name: Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host Controller - 3B3C
Device ID: PCI\VEN_8086&DEV_3B3C&SUBSYS_2A9C103C&REV_06\3&11583659&0&D0
Driver: n/a
Name: Realtek PCIe GBE Family Controller
Device ID: PCI\VEN_10EC&DEV_8168&SUBSYS_2A9C103C&REV_03\4&3B8885A0&0&00E0
Driver: n/a
Also.. some add'l info/ fyi: those dxdiag reports usually include some system specs as well (look at the beginning of a dxdiag report) Here's yours
/* Start Edit */
btw. Is that a current report??? Or is your clock set wrong?? i just noticed it provides a report date of Mar 16, 20011!
/* end EDIT */
Code:
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System Information
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Time of this report: 3/16/2011, 13:34:23
Machine name: PAUL-PC
Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)
Language: English (Regional Setting: English)
System Manufacturer: HP-Pavilion
System Model: AY603AA-ABA HPE-150f
BIOS: 06/25/10 11:11:05 Ver: 5.15
Processor: Intel(R) Core(TM) i7 CPU 860 @ 2.80GHz (8 CPUs), ~2.8GHz
Memory: 8192MB RAM
Available OS Memory: 8152MB RAM
Page File: 1985MB used, 14314MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11