Quad Core detected as single core

[juanjotoronja]

Hello yesterday i've made a system restore and some apps like Coretemp, CPU-Z and HWMonitor gives me as result Core #0 but in task manager on performance tab it display the four cores working. I read in some other threads about the advanced option in msconfig i've already checked\unchecked the number of processors but nothing happened. Please give me some hope before i need to reinstall windows again, there is so much to config and install CHRISTMAS IS COMING!!!

 

[Shimshom]

Try to uninstall then reinstall those programs and see what happens

 

[juanjotoronja]

none of them are installed, those are portable. They never gived me problems but yesterday after i made a system restore and installed new version of comodo this problem comes in.

 

[Layback Bear]

Some programs read cores #1, 2, 3, 4,
and some programs read cores #0, 1, 2, 3.

This is what you should be seeing in System Configure/Boot/Advanced Options.

 

[juanjotoronja]

yes none of them are checked, i also deleted the processors from device manager so windows will reinstall them (read this in another forum). Maybe windows registry is corrupted, some database that makes others programs read my hardware info? Sorry my english its as bad as my knowledge about system config.

 

[Layback Bear]

If you want to get a good look at your hardware and much more use this little free program.

https://www.piriform.com/speccy/download

 

[juanjotoronja]

Yeah i already got that program but i need one like coretemp monitoring on the systray and the problem is that Coretemp, CPU-Z and HWMonitor gives me wrong information about the cores. So maybe if i try another monitoring program the results are gonna be the same.

 

[Mellon Head]

Does Speccy see four cores?

 

[juanjotoronja]

No it doesn't, this is what i got from speccy

CPU
        Intel Core 2
            Cores    1
            Threads    4
            Name    Intel Core 2
            Package    Socket 775 LGA
            Technology    45nm
            Specification    Intel Core2 Quad CPU Q9400 @ 2.66GHz
            Family    6
            Extended Family    6
            Model    7
            Extended Model    17
            Stepping    A
            Revision    R0
            Instructions    MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, Intel 64, NX, VMX
            Virtualization    Supported, Disabled
            Hyperthreading    Supported, Enabled
            Fan Speed    1394 RPM
            Bus Speed    333.9 MHz
            Rated Bus Speed    1335.7 MHz
            Stock Core Speed    2666 MHz
            Stock Bus Speed    333 MHz
            Average Temperature    38 °C
                Caches
                    L1 Data Cache Size    4 x 32 KBytes
                    L1 Instructions Cache Size    4 x 32 KBytes
                    L2 Unified Cache Size    3072 KBytes
                Cores
                        Core Speed    Multiplier    Bus Speed    Rated Bus Speed    Temperature    Threads
                    Core 0    2671.5 MHz    x 8.0    333.9 MHz    1335.7 MHz    38 °C    APIC ID: 0, 1, 2, 3

 

[Mellon Head]

Odd. And you've tried CPUZ? And it doesn't show 4 cores where mine shows 8? Notice that I only have the option for processor #1.

 

[juanjotoronja]

Yes, i never had this problem those programs always said 4 cores 4 threads. I think this problem begins after i made a system restore i don't know if my registry is screwed up or something like that, i always used ccleaner to clean disc and obsolete registry entrys but in a moderate way. If anyone knows where is stored those informations that these programs handle i can check if they are correct, meanwhile still a mistery

 

[essenbe]

Try this:
open an elevated command prompt ( click start, type cmd in the search box, right click on the cmd entry and select run as administrator) in the black box that opens, copy/paste sfc /scannow. If you decide to type it, notice the space between the sfc and the /. It is a system file checker which will scan your system files and attempt to correct any missing or corrupt files. What we want are the results to say windows found no integrity violations. If it says files were found but could not be repaired, close the box, reboot and run it again, after opening the administrative command prompt. You may have to reboot and run it three times for it to repair all system files. If it can't repair them after 3 reboots, let us know.

 

[juanjotoronja]

I've runned system file checker command 3 times, the three times gives me a message about some error/corrupt files system after the scan finished i rebooted and made another scan with the same results. But the programs mentioned before still displaying 1 core instead of 4, this must be some registry value or somewhere this programs gather information. My english is bad, sorry for that...

 

[theveterans]

What does Window's System Information display:

e.g:

 

[juanjotoronja]

I've disabled Administrative Tools i never used it, there is another way i can get this info? Task manager is showing activity of the 4 cores.

 

[Layback Bear]

If Task Manager is showing 4 cores are working then Windows 7 sees 4 cores working.
What ever a 3rd party programs show really doesn't matter all that much as long as Windows 7 is happy.
You have a 6 year old cpu and their is a chance newer 3rd party programs are not reading correctly.

 

[juanjotoronja]

Yes indeed im happy that windows still recognize all cores but those programs worked fine last week and i didn't made a windows update, the only critical change i made was a system restore. So what i'm trying to figure is what caused these programs fail to recognize my 4 cores, there are millions of threads about this particular problem but till now none of those solution worked for me