CPU usage issue or bad MB or Processor

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OSNN Newbie
6 Jan 2007
About 2 months ago my computer was running great with a meager nvidia 64 mb agp video card and a 6 month old Nvidia Geforce mother board. See below for all system inormation.

It played every game I owned just great.

One day it locked up. I went to restart and got 4 beeps of death. (I think it was 4) It would not restart. It tried but would not get past the power on self test and shut itself right down. I started taking out cards to see what had fried. (Video card and video capture card) It started fine after I pulled the video card so I Figured the video card fried. I replaced it with an Nvidia 5800 agp card. It ran started just fine but would lock up when trying to play any games such as FS 2004, world of worcraft etc. Also would lock up when trying to use any video benchmarking tools.

I thought I got a bad card so I returned it and got another one with a faster core speed(375) Nvidia 6200 AGP. This made no difference.

I've reformatted, I have all the latest drivers etc. I'm thinking maybe my motherboard or processer may have also been damaged. The computer is showing min of 80% CPU usage when sitting idle.

When I open a web page it goes to 100%.
if I open 3 windows it locks up.

I dowloaded process explorer as suggested by sombody here and it shows that 80-85% of my CPU usage is going to hardware interupts. I can find no conflicts. Anyone have a clue what I can do short of chucking the MB and Processor and building something new??

Below is my current sytem info.

Operating System System Model
Windows XP Professional Service Pack 2 (build 2600) Enclosure Type: Desktop
Processor a Main Circuit Board b
2.20 gigahertz AMD Athlon 64
128 kilobyte primary memory cache
512 kilobyte secondary memory cache Board: NF-CK804
Bus Clock: 200 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 07/20/2005
Drives Memory Modules c,d
160.03 Gigabytes Usable Hard Drive Capacity
150.91 Gigabytes Hard Drive Free Space

IDE-CD R/RW 4x4x32 [CD-ROM drive]
3.5" format removeable media [Floppy drive]

ST3160812AS [Hard drive] (160.04 GB) -- drive 0 1536 Megabytes Installed Memory

Slot 'A0' is Empty
Slot 'A1' is Empty
Local Drive Volumes

c: (NTFS on drive 0) 31.45 GB 23.57 GB free
d: (NTFS on drive 0) 128.58 GB 127.34 GB free

Network Drives
None detected
Users (mouse over user name for details) Printers
local user accounts last logon
Bart 1/7/2007 10:27:18 PM (admin)
local system accounts
Administrator never (admin)
Guest never
HelpAssistant never
SUPPORT_388945a0 never

Marks a disabled account; Marks a locked account Lexmark 3300 Series on USB001

Controllers Display
Standard floppy disk controller
Primary IDE Channel [Controller] (3x)
Secondary IDE Channel [Controller] (3x)
Standard Dual Channel PCI IDE Controller (3x) NVIDIA GeForce 6200 [Display adapter]
COMPAQ MV740 [Monitor] (15.7"vis, June 2000)
Bus Adapters Multimedia
Standard Enhanced PCI to USB Host Controller
Standard OpenHCD USB Host Controller NVIDIA(R) nForce(TM) Audio
NVIDIA(R) nForce(TM) Audio Codec Interface
Communications Other Devices
PCTEL Platinum V.90 Modem

NVIDIA nForce Networking Controller
HID-compliant device
Logitech WingMan Extreme Digital 3D (USB)
USB Human Interface Device
Lexmark 3300 Series
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
PS/2 Compatible Mouse
NVIDIA Network Bus Enumerator
USB Composite Device
USB Printing Support
USB Root Hub (2x)
Virus Protection [Back to Top]
Norton AntiVirus Version 14.00
Virus Definitions Version 1/7/2007 Rev 5
Last Disk Scan on Saturday, January 06, 2007 2:22:00 AM
Realtime File Scanning Off

Missing Microsoft Security Hotfixes [Back to Top]

All required security hotfixes (using the 11/14/2006 Microsoft Security Bulletin Summary) have been installed.

Installed Microsoft Hotfixes [Back to Top]
Windows Media Player 6.4
KB925398_WMP64 (details...)
KB925398_WMP64 on 12/31/2006 (details...)
Windows Media Player 9
KB917734_WMP9 (details...)
KB917734_WMP9 on 12/31/2006 (details...)
Windows Media Player
KB911564 on 12/31/2006 (details...)
Windows XP
KB923689 (details...)
KB923689 on 12/31/2006 (details...)
KB873339 on 12/31/2006 (details...)
KB885835 on 12/31/2006 (details...)
KB885836 on 12/31/2006 (details...)
KB886185 on 12/31/2006 (details...)
KB887472 on 12/31/2006 (details...)
KB888302 on 12/31/2006 (details...)
KB890859 on 12/31/2006 (details...)
KB891781 on 12/31/2006 (details...)
KB893756 on 12/31/2006 (details...)
KB893803V2 on 12/31/2006 (details...)
KB894391 on 12/31/2006 (details...)
KB896358 on 12/31/2006 (details...)
KB896423 on 12/31/2006 (details...)
KB896424 on 12/31/2006 (details...)
KB896428 on 12/31/2006 (details...)
KB898461 on 12/31/2006 (details...)
KB899587 on 12/31/2006 (details...)
KB899591 on 12/31/2006 (details...)
KB900485 on 12/31/2006 (details...)
KB900725 on 12/31/2006 (details...)
KB901017 on 12/31/2006 (details...)
KB901214 on 12/31/2006 (details...)
KB902400 on 12/31/2006 (details...)
KB904706 on 12/31/2006 (details...)
KB904942 on 12/31/2006 (details...)
KB905414 on 12/31/2006 (details...)
Windows XP
SP3 (continued)
KB905749 on 12/31/2006 (details...)
KB908519 on 12/31/2006 (details...)
KB908531 on 12/31/2006 (details...)
KB910437 on 12/31/2006 (details...)
KB911164 on 12/31/2006 (details...)
KB911280 on 12/31/2006 (details...)
KB911562 on 12/31/2006 (details...)
KB911927 on 12/31/2006 (details...)
KB912919 on 12/31/2006 (details...)
KB913580 on 12/31/2006 (details...)
KB914388 on 12/31/2006 (details...)
KB914389 on 12/31/2006 (details...)
KB914440 on 12/31/2006 (details...)
KB915865 on 12/31/2006 (details...)
KB916595 on 12/31/2006 (details...)
KB917422 on 12/31/2006 (details...)
KB917953 on 12/31/2006 (details...)
KB918439 on 12/31/2006 (details...)
KB919007 on 12/31/2006 (details...)
KB920213 on 12/31/2006 (details...)
KB920670 on 12/31/2006 (details...)
KB920683 on 12/31/2006 (details...)
KB920685 on 12/31/2006 (details...)
KB920872 on 12/31/2006 (details...)
KB921398 on 12/31/2006 (details...)
KB922582 on 12/31/2006 (details...)
KB922616 on 12/31/2006 (details...)
KB922819 on 12/31/2006 (details...)
KB923191 on 12/31/2006 (details...)
KB923414 on 12/31/2006 (details...)
KB923694 on 12/31/2006 (details...)
KB923980 on 12/31/2006 (details...)
KB924191 on 12/31/2006 (details...)
KB924270 on 12/31/2006 (details...)
KB926255 on 12/31/2006 (details...)
IDNMITIGATIONAPIS on 12/31/2006 (Microsoft Internationalized Domain Names Mitigation APIs)
NLSDOWNLEVELMAPPING on 12/31/2006 (Microsoft National Language Support Downlevel APIs)

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