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  1.    15 Aug 2015 #1

    "CPU isn't supported"


    Hey gang i have a friend who got this message "CPU isn't supported" when they tried to upgrade to W10. We tried the Media Creation Tool and it came back with "You can't install Windows 10 because your processor doesn't support CompareExchange128". So where do i send her from here ?? Read some articles that says MS will change their download requirments later to allow everyone to download, not sure i'm believing that !!

    Anyone got any suggestions for a work around on those messages above ???

    Running W7

    Thanks
    Chuck
      My System SpecsSystem Spec

  2.    15 Aug 2015 #2

    It shows Pentium(R) Dual-Core CPU. E5300 @ 2.60 GHz .............
      My System SpecsSystem Spec

  3.   My System SpecsSystem Spec


  4. Joined : Jun 2015
    Posts : 224
    Win10 Pro x64
       15 Aug 2015 #4

    As jds63 said the most common problem is something in the BIOS needs to be turned on. First check to make sure you have the latest BIOS revision from the motherboard manufacturer.

    An easy way to check if the CPU will run Windows 10 is to download the Coreinfo utility here:
    Coreinfo
    Unzip the contents of the folder (I put it in my documents folder), then open a command prompt. Using the cd (change directory) command, navigate to the directory where you unzipped the folder. (so if it's in the documents folder the path looks like this: C:\Users"Your_Username_Here"\Documents\Coreinfo\Coreinfo.exe). Here is an example output:

    Microsoft Windows [Version 10.0.10240]
    (c) 2015 Microsoft Corporation. All rights reserved.

    C:\Users\GXIII\Documents\Coreinfo>Coreinfo.exe

    Coreinfo v3.31 - Dump information on system CPU and memory topology
    Copyright (C) 2008-2014 Mark Russinovich
    Sysinternals - Windows Sysinternals: Documentation, downloads and additional resources

    AMD A6-5350M APU with Radeon(tm) HD Graphics
    AMD64 Family 21 Model 19 Stepping 1, AuthenticAMD
    Microcode signature: 06001119
    HTT * Multicore
    HYPERVISOR - Hypervisor is present
    VMX - Supports Intel hardware-assisted virtualization
    SVM * Supports AMD hardware-assisted virtualization
    X64 * Supports 64-bit mode

    SMX - Supports Intel trusted execution
    SKINIT * Supports AMD SKINIT

    NX * Supports no-execute page protection
    SMEP - Supports Supervisor Mode Execution Prevention
    SMAP - Supports Supervisor Mode Access Prevention
    PAGE1GB * Supports 1 GB large pages
    PAE * Supports > 32-bit physical addresses
    PAT * Supports Page Attribute Table
    PSE * Supports 4 MB pages
    PSE36 * Supports > 32-bit address 4 MB pages
    PGE * Supports global bit in page tables
    SS - Supports bus snooping for cache operations
    VME * Supports Virtual-8086 mode
    RDWRFSGSBASE - Supports direct GS/FS base access

    FPU * Implements i387 floating point instructions
    MMX * Supports MMX instruction set
    MMXEXT * Implements AMD MMX extensions
    3DNOW - Supports 3DNow! instructions
    3DNOWEXT - Supports 3DNow! extension instructions
    SSE * Supports Streaming SIMD Extensions
    SSE2 * Supports Streaming SIMD Extensions 2
    SSE3 * Supports Streaming SIMD Extensions 3
    SSSE3 * Supports Supplemental SIMD Extensions 3
    SSE4a * Supports Streaming SIMDR Extensions 4a
    SSE4.1 * Supports Streaming SIMD Extensions 4.1
    SSE4.2 * Supports Streaming SIMD Extensions 4.2

    AES * Supports AES extensions
    AVX * Supports AVX intruction extensions
    FMA * Supports FMA extensions using YMM state
    MSR * Implements RDMSR/WRMSR instructions
    MTRR * Supports Memory Type Range Registers
    XSAVE * Supports XSAVE/XRSTOR instructions
    OSXSAVE * Supports XSETBV/XGETBV instructions
    RDRAND - Supports RDRAND instruction
    RDSEED - Supports RDSEED instruction

    CMOV * Supports CMOVcc instruction
    CLFSH * Supports CLFLUSH instruction
    CX8 * Supports compare and exchange 8-byte instructions
    CX16 * Supports CMPXCHG16B instruction
    BMI1 * Supports bit manipulation extensions 1
    BMI2 - Supports bit manipulation extensions 2
    ADX - Supports ADCX/ADOX instructions
    DCA - Supports prefetch from memory-mapped device
    F16C * Supports half-precision instruction
    FXSR * Supports FXSAVE/FXSTOR instructions
    FFXSR * Supports optimized FXSAVE/FSRSTOR instruction
    MONITOR * Supports MONITOR and MWAIT instructions
    MOVBE - Supports MOVBE instruction
    ERMSB - Supports Enhanced REP MOVSB/STOSB
    PCLMULDQ * Supports PCLMULDQ instruction
    POPCNT * Supports POPCNT instruction
    LZCNT * Supports LZCNT instruction
    SEP * Supports fast system call instructions
    LAHF-SAHF * Supports LAHF/SAHF instructions in 64-bit mode
    HLE - Supports Hardware Lock Elision instructions
    RTM - Supports Restricted Transactional Memory instructions

    DE * Supports I/O breakpoints including CR4.DE
    DTES64 - Can write history of 64-bit branch addresses
    DS - Implements memory-resident debug buffer
    DS-CPL - Supports Debug Store feature with CPL
    PCID - Supports PCIDs and settable CR4.PCIDE
    INVPCID - Supports INVPCID instruction
    PDCM - Supports Performance Capabilities MSR
    RDTSCP * Supports RDTSCP instruction
    TSC * Supports RDTSC instruction
    TSC-DEADLINE - Local APIC supports one-shot deadline timer
    TSC-INVARIANT * TSC runs at constant rate
    xTPR - Supports disabling task priority messages

    EIST - Supports Enhanced Intel Speedstep
    ACPI - Implements MSR for power management
    TM - Implements thermal monitor circuitry
    TM2 - Implements Thermal Monitor 2 control
    APIC * Implements software-accessible local APIC
    x2APIC - Supports x2APIC

    CNXT-ID - L1 data cache mode adaptive or BIOS

    MCE * Supports Machine Check, INT18 and CR4.MCE
    MCA * Implements Machine Check Architecture
    PBE - Supports use of FERR#/PBE# pin

    PSN - Implements 96-bit processor serial number

    PREFETCHW * Supports PREFETCHW instruction

    Maximum implemented CPUID leaves: 0000000D (Basic), 8000001E (Extended).

    Logical to Physical Processor Map:
    *- Physical Processor 0
    -* Physical Processor 1

    Logical Processor to Socket Map:
    ** Socket 0

    Logical Processor to NUMA Node Map:
    ** NUMA Node 0

    No NUMA nodes.

    Logical Processor to Cache Map:
    *- Data Cache 0, Level 1, 16 KB, Assoc 4, LineSize 64
    *- Instruction Cache 0, Level 1, 64 KB, Assoc 2, LineSize 64
    *- Unified Cache 0, Level 2, 1 MB, Assoc 16, LineSize 64
    -* Data Cache 1, Level 1, 16 KB, Assoc 4, LineSize 64
    -* Instruction Cache 1, Level 1, 64 KB, Assoc 2, LineSize 64
    -* Unified Cache 1, Level 2, 1 MB, Assoc 16, LineSize 64

    Logical Processor to Group Map:
    ** Group 0

    The line "CX16 * Supports CMPXCHG16B instruction" means it does support CompareExchange128, and confirms that something in the BIOS is set wrong.
      My System SpecsSystem Spec


  5. Joined : Jun 2015
    N.Y.
    Posts : 3,005
    Windows 10 Pro 64 bit
       15 Aug 2015 #5

    See it now from mine, found it with AIDA64, one highlighted and one after to

    Click image for larger version. 

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ID:	31623
      My System SpecsSystem Spec


  6. Joined : Aug 2015
    Posts : 26
    Windows 10 Pro 64bit
       24 Oct 2015 #6

    jds63, did you end up finding a solution to this issue? i have the same problem trying to upgrade Windows 7 x64 to 10 Pro. i haven't tried either of these tools to confirm support for my CPU yet, but i'm hopefull.. it's an AMD 4000+ socket 939, so maybe not..
      My System SpecsSystem Spec


  7. Joined : May 2015
    Posts : 1,375
    Win 10 14393.51
       24 Oct 2015 #7

    Matt26 said: View Post
    jds63, did you end up finding a solution to this issue? i have the same problem trying to upgrade Windows 7 x64 to 10 Pro. i haven't tried either of these tools to confirm support for my CPU yet, but i'm hopefull.. it's an AMD 4000+ socket 939, so maybe not..
    You probably should have started a new thread on this.

    See here:

    Microsoft confirms some older AMD processors do not support Windows 8.1

    (It applies to Windows 10 as well.)

    AMD led in introducing X64 desktop processors, but Microsoft requires some extensions that aren't present in early AMD CPUs.
      My System SpecsSystem Spec


  8. Joined : Sep 2015
    Posts : 2,071
    Windows 10 Pro 64-bit 1607 (AE build 14393.693)
       24 Oct 2015 #8

    Hello! This is one extra requirement (others are NX/PAE support) in order to install the 64-bit version. This means that your CPU probably passes the minimum requirements for Windows 8 & 10 32-bit but not for 64-bit. How much RAM does she have? If it is up to 4GB, then you can create a GenuineTicket.xml file as described in this tutorial, backup all data and the format and clean-install Windows 10 32-bit. After installation is complete, use the file to activate Windows 10.

    If you have more than 4GB RAM, then you need the 64-bit version, but you cannot install it officially. Unofficially, there are some tools that allow you to make a partial Windows 10 installation on the disk. Then patch some specific system files to bypass requirement checks. This will allow Setup to resume and complete and then boot into Windows 10. But because the files are patched, the digital signature is invalid and you need to sign them again. Otherwise every time you load Windows, you will get an error message that ntoskrnl.exe has invalid signature and be presented with the troubleshooting screen. From there, you must select the Advanced startup options and then to Disable driver signature (test mode). I had tried that for a test PC but no matter what I did I could not get rid of the requirement to enter Advanced startup options and then select 7 (Disable driver signature). This is not really convenient, so I recommend to install Windows 10 32-bit, if she has up to 4GB, or stick with Windows 7 64-bit, if she has more than 4GB.

    If you are interested, post again and I'll tell you which tools you need for the patch.
      My System SpecsSystem Spec


  9. Joined : Aug 2015
    Posts : 26
    Windows 10 Pro 64bit
       24 Oct 2015 #9

    bobkn said: View Post
    You probably should have started a new thread on this.

    See here:

    Microsoft confirms some older AMD processors do not support Windows 8.1

    (It applies to Windows 10 as well.)

    AMD led in introducing X64 desktop processors, but Microsoft requires some extensions that aren't present in early AMD CPUs.
    Thanks, do you happen to know if there's a list of unsupported CPUs somewhere? I'd like to see if mine is listed.
      My System SpecsSystem Spec


  10. Joined : May 2015
    Posts : 1,375
    Win 10 14393.51
       24 Oct 2015 #10

    Matt26 said: View Post
    Thanks, do you happen to know if there's a list of unsupported CPUs somewhere? I'd like to see if mine is listed.
    I don't know of such a list. Microsoft once maintained a Windows hardware compatibility list, but I'm unable to find it online at this time.

    If you web search, you'll find multiple references to the Athlon 64 X2 lacking the CMPXCHG16b instruction, and that it's required to install the X64 version of Windows 10. Means nothing to me, but apparently it's a security feature required since Windows 8.1. (But not in Windows 8.0. Bit of a nasty surprise for a few people when they tried to upgrade from Win 8 X64 to 8.1.)

    (I had an Athlon 64 X2 4400+ system. A fairly high-end desktop, built in late 2005. It was handed down twice. I think it died less than a year ago. It was probably still running XP at the time.)
      My System SpecsSystem Spec


 
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