1.    17 May 2016 #1

    I've lost my memory


    Well not literally but since upgrading a Dell 755 to w10 (32 bit) I not only have 2.99 available memory out of the 4gb installed. Under W7 I had over 3.5 gig" so what has stolen my memory? Another identical machine running W10 but 64bit has 8 gig installed of which 7.86 is usable! which seem more like what it hould be!
      My ComputerSystem Spec
  2.    17 May 2016 #2
    Join Date : Mar 2015
    Philadelphia
    Posts : 1,174
    Windows 10 Pro x64

    I think the OP is referring to memory and not disk space.

    What you are seeing is normal. That "missing" memory is reserved for hardware usage, and won't be available to the system for application use. If you want to be able to take full advantage of your 4 GB of memory, you're going to need to install a 64-bit version of Windows.
      My ComputerSystem Spec
  3.    17 May 2016 #3

    Quote Originally Posted by DeaconFrost View Post
    I think the OP is referring to memory and not disk space.

    What you are seeing is normal. That "missing" memory is reserved for hardware usage, and won't be available to the system for application use. If you want to be able to take full advantage of your 4 GB of memory, you're going to need to install a 64-bit version of Windows.
    Yes that's what I thought BUT - in the past I have had over 3.5 gig available from my 4 gig of installed RAM now on W10 I only have 2.9 - the hardware has not changed - only the OS!
      My ComputerSystem Spec
  4.    17 May 2016 #4
    Join Date : Mar 2015
    Philadelphia
    Posts : 1,174
    Windows 10 Pro x64

    Different drivers could account for that. Was the BIOS updated, by any chance?
      My ComputerSystem Spec
  5.    17 May 2016 #5
    Join Date : Aug 2014
    Forever West
    Posts : 3,985
    Win10 Home and Pro, Win10 Insider Preview, Win7 Home, Linux Mint

    Quote Originally Posted by joddle View Post
    Yes that's what I thought BUT - in the past I have had over 3.5 gig available from my 4 gig of installed RAM now on W10 I only have 2.9 - the hardware has not changed - only the OS!
    Have you ran dxdiag [hold down the Windows key and press R, type dxdiag then Enter] to check what is being allocated to video? Onboard video adapters always use some of the physical RAM.
      My ComputerSystem Spec
  6.    17 May 2016 #6

    Well there's some black magic going on here - I ran the command as indicated and its showed 250mg used by the display - exactly what I thought - but when I returned to look at "system" the memory is now showing 3.24 free - the same as the other identical machine - cured!!!! - but no idea why!
      My ComputerSystem Spec
  7.    17 May 2016 #7
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    If you have hardware capable of running 64-bit, you will have more usable memory with 64-bit Windows. The only computers at my house on 32-bit Windows 10 are the tablets and stick computer with only 2 GB of RAM.
      My ComputerSystem Spec
  8.    17 May 2016 #8

    I think I have got to the bottom of this - its when there is more than 4gb installed memory the "available memory" goes down to 2.99. When only the 4gb is installed (i.e. the stated max under 32 bit - then the available memory returns to 3.24!
      My ComputerSystem Spec

 


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