Triple core CPU showing ONE in task manager

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  1. Posts : 72,012
    64-bit Windows 11 Pro for Workstations
       #11

    If you have a spare motherboard or friend that has one that uses the same type of CPU, then you might test it on it to see if it works properly.
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  2. Posts : 2,036
    Windows 7 Professional x64
    Thread Starter
       #12

    Brink said:
    If you have a spare motherboard or friend that has one that uses the same type of CPU, then you might test it on it to see if it works properly.
    Good idea.....all I have are intel boards. I guess that's about all I have left.

    The funny thing is my video card died just the other day. I just got it back and installed it. This is wgen I discovered this problem. I wonder if a power surge (or something) took out the card and CPU at the same time........
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  3. Posts : 72,012
    64-bit Windows 11 Pro for Workstations
       #13

    It's possible a surge can kill or damage like this. If you have overclocked it any, then that can shorten the life span as well. Might be worth a small investment in a good surge protector with line filtering built into it if you get a lot of power surges. For example, a UPS backup battery with those options.
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  4. Posts : 9,582
    Windows 8.1 Pro RTM x64
       #14

    Check your BIOS. Some (but not all) BIOSes have a setting which can disable all but one core of a multi-core CPU for debugging and testing purposes.
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  5. Posts : 2,036
    Windows 7 Professional x64
    Thread Starter
       #15

    Brink said:
    It's possible a surge can kill or damage like this. If you have overclocked it any, then that can shorten the life span as well. Might be worth a small investment in a good surge protector with line filtering built into it if you get a lot of power surges. For example, a UPS backup battery with those options.
    I have an older home Brink. I have surge protectors (good ones) that show if the outlet is grounded. Mine are NOT. I have never had any problem in 20 years with any electronics of any kind in this house.

    It is a very good idea to look into a good UPS with the options you mentioned. I just can't believe the CPU of all things went out. Hopefully someone has seen this before and has an idea we haven't thought of.
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  6. Posts : 2,036
    Windows 7 Professional x64
    Thread Starter
       #16

    Dwarf said:
    Check your BIOS. Some (but not all) BIOSes have a setting which can disable all but one core of a multi-core CPU for debugging and testing purposes.
    Thanks Dwarf, it's an HP BIOS and has no such option. I searched every work of it just now. I am pretty familiar with the BIOS in my machines. It does show the correct CPU and L2 cache 512 X 3 (which is right).....that is not showing in any Windows apps. That may be from an ID on the chip though......what do you think?

    I think I may be paying for buying a $350 refurbished system.......
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  7. Posts : 144
    Windows 7 Ultimate x64
       #17

    nate42nd said:
    Well, thanks guys. I am running the official RC on this machine. I am also running Vista Ultimate. Same situation in both OSs. There is no BIOS update (and it has been fine for a year) so it sounds like my CPU is dead. I only had a 90 day warranty. I guess it's new CPU time or junk it.

    If you guys think of anything, please let me know. Thanks for the suggestions.
    I realize this isn't the suggestion you want to hear but....Ditch AMD :)
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  8. Posts : 2,111
    Win7 Build 7600 x86
       #18

    Cyberwolf said:
    I realize this isn't the suggestion you want to hear but....Ditch AMD :)
    sorry but that is nonsense.

    Been running AMD for 10 years and never failed me.

    On the other hand, the triple core is known to be a piece a garbage.

    Intel had it's share of garbage CPU's also in the past, with failing floating point units, overheating problems etc.

    I think both manufacturers have their ups and downs.


    But I think in this case there could have been a heat issue.

    Now the two cores have died, the heat issue is gone because the one core won't produce that much heat.

    Could be the quality of the triple core, but we don't know. Might as well have been not enough airflow in the case, or failing CPU cooler.
      My Computer


  9. Posts : 4,282
    Windows 7 Ultimate Vista Ultimate x64
       #19

    Have you tried uninstalling the CPU drivers and restarting it to see if it finds them all again.

    Triple core CPU showing ONE in task manager-2009-08-01_143438.jpg

    I think you at least need to try a different Windows 7 build before you give up on it.
      My Computer


  10. Posts : 2,036
    Windows 7 Professional x64
    Thread Starter
       #20

    squonksc said:
    sorry but that is nonsense.

    Been running AMD for 10 years and never failed me.

    On the other hand, the triple core is known to be a piece a garbage.

    Intel had it's share of garbage CPU's also in the past, with failing floating point units, overheating problems etc.

    I think both manufacturers have their ups and downs.


    But I think in this case there could have been a heat issue.

    Now the two cores have died, the heat issue is gone because the one core won't produce that much heat.

    Could be the quality of the triple core, but we don't know. Might as well have been not enough airflow in the case, or failing CPU cooler.
    That is all true...I knew this CPU was a discontinued piece of crap when I purchased it. I just needed a faster system to last 6 months, I got about a year out of it. It still has the stock heatsink and fan and runs at 36C. I can still run Prime95 and heat it up. (I tried it fo a few minutes) and it still works. Just slowly.....

    Mr GRiM said:
    Have you tried uninstalling the CPU drivers and restarting it to see if it finds them all again.

    Triple core CPU showing ONE in task manager-2009-08-01_143438.jpg

    I think you at least need to try a different Windows 7 build before you give up on it.
    MrGRiM, I have Vista Ultimate on the SAME machine and it's the same if I start Vista...That leads me to believe it's not worth trying a new OS. Am I correct????

    Also, for that reason, I have not tried the driver fix. If it's the same in Vista I see no point.
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