1.    17 Jul 2017 #1
    Join Date : Jul 2017
    Posts : 1
    Windows 7

    CPU doesn't support NX


    Hi, I need a help, I tried to install Android Studio to start working on developping apps, but when I tried to make an emulator (virtual device), it doesn't work, and I had this warning " Your CPU doesn't support NX ".
    My ask is to know what is mean NX, and why my CPU doesn't support it ? ( I have intel i3 M380)
      My ComputerSystem Spec
  2.    17 Jul 2017 #2
    Join Date : Jan 2015
    UK, Midlands
    Posts : 11,055
    Win 10 Pro (1703)

    See e.g.
    NX bit - Wikipedia

    PAE/NX/SSE2 Support Requirement Guide for Windows 8

    noting
    Physical Address Extension (PAE)



    The processor must be running in Physical Address Extension (PAE) mode to use the NX processor feature. PAE is a processor feature that enables x86 processors to access more than 4 GB of physical memory on capable versions of Windows. The Intel Itanium and x64 processor architectures can access more than 4 GB of physical memory natively, and do not provide the equivalent of PAE. PAE is supported by 32-bit versions of Windows running on x86-based systems only.
    When DEP is enabled on a system that has a processor that supports the NX feature, PAE is automatically enabled.


    Try this free program to confirm
    Click image for larger version. 

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      My ComputerSystem Spec
  3.    17 Jul 2017 #3
    Join Date : May 2015
    Posts : 1,645
    Win 10 X64 Pro 15063

    NX stands for No Execute, a security feature that is supposed to make it harder for malware to run.

    I believe that Intel refers to it as the Execute Disable Bit. It's present on an I3-380M:

    http://ark.intel.com/products/50178/...Cache-2_53-GHz

    It may be possible to turn it off in the machine's BIOS. I don't know what "Speccy" would indicate in that case.

    Since you haven't told us what laptop you're running, it won't be possible for us to check its available BIOS settings.
      My ComputerSystem Spec
  4.    17 Jul 2017 #4

    Quote Originally Posted by Yassine View Post
    Hi, I need a help, I tried to install Android Studio to start working on developping apps, but when I tried to make an emulator (virtual device), it doesn't work, and I had this warning " Your CPU doesn't support NX ".
    My ask is to know what is mean NX, and why my CPU doesn't support it ? ( I have intel i3 M380)
    VM's do not read the chip directly, you need to enable VT in the bios.
      My ComputerSystem Spec

 


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