Windows 8 and 8.1 Forums


Windows 8 installation trouble

  1. #1


    Germany/Florida
    Posts : 4,514
    Vista and Win7

    Windows 8 installation trouble


    I had this nice scheme how to install Win 8 on my Sony Vaio laptop - unfortunately it is not working.

    The Vaio has a single SSD disk with Win 7 on it. In additition I have an external eSata disk on which I installed Win 8 which worked well.

    Because I did not want a double boot situation, I made the permanent boot order

    CD reader
    eSata disk
    SSD

    With this setup I had hoped it would load Win8 from the eSata when present and would skip directly to the Win7 SSD when the eSata was switched off hoping also it would put the Win8 bootmgr on the eSata where I had predefined a 50GB active primary partition.

    Not so. First time it booted, I got the screen where I could select Win7 or Win8. That told me that I had a double boot situation. And when I switched the eSata off, it would go into a repair screen saying that a device was missing.

    That was not at all what I wanted because it would have required to have the eSata constantly attached - even if I only want to run Win7 which is 95% of the time.

    To fix that latter problem I restored my 100MB Win7 partition from an image and now Win7 loads normally without the eSata. But now I have no way to get at my Win8 when the eSata is attached. First I thought it was an MBR problem on the eSata. But even after I fixed that with Partition Wizard, it does not work.

    To put insult to injury there is a strange BIOS setup in the Vaio. There is no way you can set the BIOS to boot from a specific device - you can only make a permanent setting as I have done above.

    So I am stuck right now. I could, of course, take the SSD out during the Win8 installation on the eSata. But I try to avoid taking out the screwdriver. Does anybody have a better idea??

      My System SpecsSystem Spec

  2. #2


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there
    I'm not sure how the boot manager works -- also if the external disk is missing it sounds strange that the primary W7 boot fails with "Device missing".

    Your best mechanism might be to leave W7 as is working normally from the SSD and install W8 as a Virtual Machine. Depending on what you want to do with W8 a VM might be the best solution -- you power on the VM when you need it by just starting a piece of FREE software --vmware player from vmware (my preferred option) or Vbox.

    Another possible solution would be to use partition manager to set the SSD as "Hidden" and the esata as the "Active" partition.
    now install W8 on the esata drive. test booting it. Use a Bootable Partition manager -- you can create one on a USB / CD -- google for links to free p[artition managers.

    now using partition manager set the SSD as the active partition, and set the esat to just a normal Primary partition and unplug the esata.

    Otherwise I leave the Boot solution to more experienced people than me to help you out.

    Cheers
    jimbo
      My System SpecsSystem Spec

  3. #3


    Appelhülsen Germany
    Posts : 189
    Windows 7 and Windows Developer Dual efi boot


    I think that you need to remove the SSD for this to work, even then you could still run into problems as the boot order may automatically change when the esata device is disconnected. The only way around this would be to use the keyboard, I am guessing F8 on every boot to designate the boot device.
      My System SpecsSystem Spec

  4. #4


    Hafnarfjörður IS
    Posts : 4,376
    Linux Centos 7, W8.1, W7, W2K3 Server W10


    Hi there
    not sure the OP's Sony Vaio has the F8 option to request the boot device. Sony laptops while great seem to have very limited BIOS / boot menu options.

    cheers
    jimbo
      My System SpecsSystem Spec

  5. #5


    BELGIUM
    Posts : 503
    WINDOWS 8.1 x64


    hi WHS,

    if it was me, i would install WIn7 on the SSD without the ESATA, then on the second partition Win8 and yes a dual boot option, but what is wrong with that.

    Unless your internal SSD is too small for 2 partitions. Or maybe i misunderstand you

    Jeff

    Jeff
      My System SpecsSystem Spec

  6. #6


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Thanks guys for all the good advice. Here is my take:

    1. Installing Win8 on the SSD (virtual or in a partition) is not an option. It is only a 90GB SSD and with the user data already on it I do not have a lot of space.

    2. Somehow that W8 bootmgr must have connected to the W7 bootmgr. What is strange though that W7 would not boot when the eSata was disconnected. So the question is what is chicken and what is egg.

    3. If nothing else works, I will get my screwdriver out and remove the SSD during the installation. But I am still trying to find a way to avoid it.

    And Jimbo is right. The Vaio is a nice laptop but the BIOS is really retarded. Btw; another problem I have with it that I cannot run any live Linux program off a CD. It does not recognize my cursor. The cursor is just stuck. And I have tried with 3 different live CDs that all work on my other systems. I am trying to find an answer from Sony - else I will RMA this thing. For more than $1100, it ought to work.
      My System SpecsSystem Spec

  7. #7


    Appelhülsen Germany
    Posts : 189
    Windows 7 and Windows Developer Dual efi boot


    I have learnt something since my last post and that is both Boot managers are installed I believe Windows 8 Boot manager would be the default one. Try connecting the esata then booting up to Windows 7, then do msconfig and change the boot OS to WIN 7 reboot the PC and then try it again without the esata connected if I am right the Win 7 boot manager will now load and you will be able to boot into 7
      My System SpecsSystem Spec

  8. #8


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Thanks Brian. I will try that next time I setup my Vaio. Right now it is in the drawer.

    I think you are right. There must be two bootmanagers. And they seem to be linked up. Very strange.
      My System SpecsSystem Spec

  9. #9


    Appelhülsen Germany
    Posts : 189
    Windows 7 and Windows Developer Dual efi boot


    If you want to read it here is my post; Windows boot manager under UEFI a lot of useful info was contributed to it
      My System SpecsSystem Spec

  10. #10


    Germany/Florida
    Posts : 4,514
    Vista and Win7


    Thanks Brian.
      My System SpecsSystem Spec

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