Athlon 64 X2 Dual Core freeze in Vista x64

this is my first post on these forums, be kind :) I hope my questions isnt a duplicate of thousends before me - at least I wasnt able to find the answer using the search engine.

The Issue
I recently bought a new processor, a AMD Athlon 64-bit dual Core(you can find my exact info in the dxdiag quote further down on page), upgrading from a Athlon 64-bit single core. Running on Vista 64-bit Ultimate together with a ATI Radeon 3850 AGP graphic card on a MSI Ultra3 motherboard, yes, this is the 939 socket version. Everything was running just fine before i installed my new processor. I took out the processor and installed the new one. Booted the system and it seemed to work out - until the ATI Radeon Display Drivers(latest version; 8.5) launched/booted and the system froze. I rebooted in safe mode and nothing was wrong. Re-installed Windows Vista Ultimate and everything, again, seemed to work fine untill i installed the CCC[Catalyst Control Center 8.5 suite] and rebooted the system and it froze again after hitting desktop.
I've uninstalled the display drivers in safe mode, booted the system and uninstalled all the Catalyst software, installed the default windwos VGA drivers while i'm trying to find a solution to this problem.

So to sum up: My windows vista 64-bit freezes when I use the ATI radeon drivers for my graphic card after upgrading my cpu to a Athlon dual core.

Additional Info
Motherboard driver: 1.0d something(latest for my motherboard on the MSI website)
Graphic card: ATI Radeon HD 3850 AGP
System Information
Time of this report: 6/10/2008, 13:57:49
Machine name: xxx
Operating System: Windows Vista™ Ultimate (6.0, Build 6001) Service Pack 1 (6001.longhorn_rtm.080118-1840)
Language: Norwegian (Bokmål) (Regional Setting: Norwegian (Bokmål))
System Manufacturer: NVIDIA
System Model: AWRDACPI
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ (2 CPUs), ~2.0GHz
Memory: 3710MB RAM
Page File: 819MB used, 6790MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 10
DX Setup Parameters: Not found
DxDiag Version: 6.00.6001.18000 32bit Unicode
Display Devices
Card name: Standard VGA Graphics Adapter
Manufacturer: (Standard display types)
DAC type: 8 bit
Device Key: Enum\PCI\VEN_1002&DEV_9505&SUBSYS_95051002&REV_00
Display Memory: n/a
Dedicated Memory: n/a
Shared Memory: n/a
Current Mode: 1152 x 864 (32 bit) (1Hz)
Monitor: Hansol 710E/710A/710Aplus
Driver Name: vga
Driver Version: 6.00.6001.18000 (Norwegian (Bokmål))
DDI Version: unknown
Driver Attributes: Final Retail
Driver Date/Size: 1/21/2008 04:48:57, 14848 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B71EE2-D645-11CF-E235-74A2AFC2CB35}
Vendor ID: 0x1002
Device ID: 0x9505
SubSys ID: 0x95051002
Revision ID: 0x0000
Revision ID: 0x0000
Video Accel:
Deinterlace Caps: n/a
DDraw Status: Not Available
D3D Status: Not Available
AGP Status: Not Available[/cpp]
3 answers Last reply
More about athlon dual core freeze vista
  1. I am no expert in this matter but have you checked your MB support site to see if the version of the BIOS in use supports the new CPU you just put in. That's the first thing I would check.
  2. As you can see from the website it should support my CPU: with the latest BIOS versions. Earlier versions of that BIOS did not have the x2 support.
  3. Hello, I'm still getting these errors. I've now downgraded to windows XP pro SP3 and its running fine, except that my computer locks up once I start a game. I find it really hard to find a solution to these problems. I get a event 11 when i Crash in xp [cpp]Event Type: Error
    Event Source: PlugPlayManager
    Event Category: None
    Event ID: 11
    Date: 10.06.2008
    Time: 20:52:33
    User: N/A
    Computer: SIMON
    The device Root\LEGACY_FLASHSYS\0000 disappeared from the system without first being prepared for removal.

    For more information, see Help and Support Center at
    0000: 00 00 00 00 ....
    Thing is my CPU seems to be stable and so does my graphic card. So i wonder what is causing them. Hope there is someone here who can help. Regards, Simon.
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