2016年3月30日星期三

How Can I Fix - activating cpu cores in windows 7?

activating cpu cores in windows 7

have quad core computer using AMD Phenom II at start up it shows only three cores working how do I activate the fourth core in Windows 7 64 bit.
Mother board is a M4A79XTD EVO from ASUS
M4A79XTD EVO motherboard ASUS
PHENOM X4 925 AM3 CPU
4 GIG DDR3
GTS250 video card

Anwsers to the Problem activating cpu cores in windows 7

Download SmartPCFixer to Fix It (Free)

Hi,

This is not a Windows 7 issue.

AMD did release some quad core processors with only 3 cores active and yours "may" be one of those
however it may just be a failure of one core issue.
Possibly a BIOS or chipset issue.
Or was the system
bought with a 3 core processor?

Check with AMD Support and ASUStek Support, their on-line documentation, and ask in their forums for
known issues.

ASUS M4A79XTD EVO
http://support.asus.com/download/ModelList.aspx?SLanguage=en&keyword=M4A79XTD

ASUStek Support
http://support.asus.com/

ASUStek Forums
http://vip.asus.com/forum/default.aspx?SLanguage=en-us

ASUStek Drivers
http://support.asus.com/download/download.aspx?SLanguage=en-us

AMD Phenom II
http://www.amd.com/us/products/desktop/processors/phenom-ii/Pages/phenom-ii.aspx

Similar issue
http://www.tomshardware.com/news/amd-phenom-cpu,7080.html

AMD announces three-core desktop CPU
http://apcmag.com/amd_announces_threecore_desktop_cpu.htm

AMD Bets on Tri-Core Chips as Quad-Core Market Lags
http://www.wired.com/techbiz/it/news/2007/09/tricore

Hope this helps.

Manually editing the Windows registry

Manually editing the Windows registry to remove invalid MACHINE_CHECK_EXCEPTION keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely!


Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to MACHINE_CHECK_EXCEPTION (eg. Windows Operating System):

  • Click the Start button.
  • Type "command" in the search box... DO NOT hit ENTER yet!
  • While holding CTRL-Shift on your keyboard, hit ENTER.
  • You will be prompted with a permission dialog box.
  • Click Yes.
  • A black box will open with a blinking cursor.
  • Type "regedit" and hit ENTER.
  • In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
  • From the File menu, choose Export.
  • In the Save In list, select the folder where you want to save the Windows Operating System backup key.
  • In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
  • In the Export Range box, be sure that "Selected branch" is selected.
  • Click Save.
  • The file is then saved with a .reg file extension.
  • You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.

Recommended Method to Fix the Problem: activating cpu cores in windows 7:

How to Fix activating cpu cores in windows 7 with SmartPCFixer?

1. Download Error Fixer. Install it on your system.

2. After the scan is finished, you can see the errors and problems need to be repaired. Click Fix All.

3. When the Fixing part is done, your computer has been speeded up and the errors have been fixed


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