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  1.    13 Mar 2016 #171
    Join Date : Aug 2015
    Maine
    Posts : 36,485
    Windows10Pro 64Bit

    This is good news Rob!! Glad you fixed your boot problem.

    But if I remember correctly Rob, you still need to fix your partition's. If you want too that is. When you view your partitions using Windows Disk manager it does not show you ALL your partitions, its hides 1 of them. This is normal for Windows Disk Manager.
    If you view your partitions using MiniTool Partition Manager it DOES show all your partitions correctly. Also easier to repair them using MiniTool This program is one of the apps installed on the Rescue disk you installed on your USB stick. Its also the PRO version too!!! I will post 2 pictures below to show you the difference. Also this is exactly how your partitions should look like for a computer with UEFI bios. 1st pic is what Windows Disk Manager displays, 2nd pic is what MiniTool shows. I marked with a red arrow on MiniTool the Hidden partition that Windows Disk manager does not show.


    Click image for larger version. 

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    Click image for larger version. 

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      My ComputersSystem Spec
  2.    13 Mar 2016 #172
    Join Date : Oct 2013
    NW Florida
    Posts : 9,246
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint

    @OldMike65 I believe we determined he has a Legacy install but with 2 450MB Recovery partitions and no EFI.
      My ComputersSystem Spec
  3.    13 Mar 2016 #173
    Join Date : Aug 2015
    Maine
    Posts : 36,485
    Windows10Pro 64Bit

    Quote Originally Posted by essenbe View Post
    @OldMike65 I believe we determined he has a Legacy install but with 2 450MB Recovery partitions and no EFI.
    Yes ok, but in his bios he should be able to switch to UEFI mode ....which I would think would be better, than Legacy mode. ??
      My ComputersSystem Spec
  4.    13 Mar 2016 #174
    Join Date : Oct 2013
    NW Florida
    Posts : 9,246
    Windows 10 Enterprise and Pro/Windows 7 Enterprise/Linux Mint

    It will normally make little difference and unless I am mistaken, you can't switch from Legacy to UEFI without a Clean Reinstall.
      My ComputersSystem Spec
  5.    13 Mar 2016 #175
    Join Date : Aug 2015
    Maine
    Posts : 36,485
    Windows10Pro 64Bit

    Quote Originally Posted by essenbe View Post
    It will normally make little difference and unless I am mistaken, you can't switch from Legacy to UEFI without a Clean Reinstall.
    Yes I believe it would require a fresh install. Here are the differences between both .....just for information purpose's

    Unified Extensible Firmware Interface(UEFI) is the successor to BIOS. UEFI uses the GUID Partition Table (GPT) whereas BIOS uses the Master Boot Record(MBR) partitioning scheme. GPT and MBR are both formats specifying physical partitioning information on the hard disk. Below I have listed the difference:
    1.Max partition size in MBR is ~2TB whereas in UEFI it is ~9 ZetaBytes
    2.MBR can have at max 4 primary partition whereas GPT can have 128.
    3. MBR can store only one bootloader whereas GPT has a separate dedicated EFI System Partition(ESP) for storing multiple bootloaders. This is very helpful if you have two or more operating systems which require different bootloaders.
    4.UEFI offers secure boot which can prevent boot-time viruses from loading.

    BIOS is pretty much outdated and UEFI offers many useful features. Thus it is recommended to install any operating system in UEFI mode. Note: One can't install in UEFI mode by booting in legacy mode.
      My ComputersSystem Spec
  6.    13 Mar 2016 #176
    Join Date : Oct 2013
    Texas
    Posts : 10,515
    Windows 10 Pro X64

    It can be done without a clean install, but its not easy. Read step 18 in the instructions

    Converting Windows BIOS installation to UEFI - TechNet Articles - United States (English) - TechNet Wiki
      My ComputerSystem Spec
  7.    13 Mar 2016 #177
    Join Date : Aug 2015
    Maine
    Posts : 36,485
    Windows10Pro 64Bit

    Quote Originally Posted by Dude View Post
    It can be done without a clean install, but its not easy. Read step 18 in the instructions

    Converting Windows BIOS installation to UEFI - TechNet Articles - United States (English) - TechNet Wiki
    Thanks for the link, interesting reading ...I am saving this link.
      My ComputersSystem Spec
  8.    13 Mar 2016 #178
    Join Date : Aug 2015
    Penn's Woods
    Posts : 1,182
    Windows 10 Home

    Whew! Read through the entire thread up to this point and am impressed with the dedicated help @RobH2 has been getting.

    The one thing that sticks out in my mind is that OP asserts they did a clean install some time back yet the system disk partition layout I'm seeing posted seems odd based on evderything I've read up until now.

    As Steve and Mike just pointed out, the boot as directed from BIOS and the system disk partition scheme should be consistent: if booting UEFI, system disk should be GPT - if booting legacy, system disk should be MBR.

    From a post by @topgundcp :
    Code:
    MBR installation: 
    
    
    1. 500MB System Reserved partition
    2. C: Drive
    GPT installation:
    1. 450MB recovery partition
    2. 100MB EFI System Partition
    3. 16MB MSR partition
    4. C drive.
    Yes, as Dude just posted, there are ways around doing a clean install and surgery on the partitions can be performed to get legacy/MBR or UEFI/GPT arranged.

    It's just that the "clean install" assertion sticks with me and (aside from all other potential problems discussed), it begs the question of me:

    Rob, are you so invested in the programs already installed on the system disk that you wouldn't entertain doing a truly clean install of Win10 again to get your BIOS and disk scheme lined up as Microsoft would do it by default?
      My ComputerSystem Spec
  9.    13 Mar 2016 #179
    Join Date : Mar 2016
    Baltimore, MD USA
    Posts : 165
    Windows 10 Version 1511 (10586.164)
    Thread Starter

    HI guys,

    All is still booting well. I think as much work as I've done that I might like to try this "isn't" easy UEFI conversion. I recall why I'm legacy now. Last November, my 4-year old Windows 7 OS began to get really fluky. I had a lot of issues and decided I was going to fresh reinstall. Also, I decided that if I was going to do that massive effort, I might as well adopt the latest Windows OS, Win 10. So, I did it. However, as I now realize, that was a 4-year old board that was legacy and not UEFI. No harm no foul back then. I didn't know the difference or know better.

    However, a few weeks ago, I started having some "wear and tear" issues with that machine and started to worry that it might just die in the middle of a project that was coming up. I decided to build a new machine. I did that and I just carried the same Hard Drives into it. So in effect, I carried a Legacy install into a UEFI capable board. Then I had my boot issue a few days ago.

    So that's how I ended up with Legacy. I'll read the info and see if I want to tackle it. It might be a good experiment for you guys to observe also. I'd like to pay you back somehow for all the work you did for me yesterday.

    Here are the things I'd like to do:

    1. Generate the BSOD logs again to see if my problems have abated
    2. Fix the boot partitions
    3. See if the repair program I used to fix the boot generates logs so you can examine them to see what was repaired. That might provide a direct fix for this issue in the future.

    I'm creating an Image right now. Let me read and I'll be back soon.
      My ComputerSystem Spec
  10.    13 Mar 2016 #180
    Join Date : Mar 2016
    Baltimore, MD USA
    Posts : 165
    Windows 10 Version 1511 (10586.164)
    Thread Starter



    Rob, are you so invested in the programs already installed on the system disk that you wouldn't entertain doing a truly clean install of Win10 again to get your BIOS and disk scheme lined up as Microsoft would do it by default?
    It's not that I'm so invested rather than it's a practical matter. I'm a 3d animator and I have about a dozen very expensive and very difficultly authorized programs. Last time I did a clean install, it took me two weeks (of 18-hour days) to get everything reconfigured and reauthorized. Some of these programs don't have a good way to save out the "user configuration" and they are heavily "user" reconfigured. 3DS Max alone probably has 100 3rd party plugins, half that need authorization. It would be a massive effort to go through that again. I'm not your standard user with Office and PowerPoint to reinstall.

    So in a way, yes, I am so invested that I can't entertain a clean install at this time. I write Images of my machine every day so I can entertain trying something and having to reinstall it from an Image but can't devote two weeks to a rebuild right now as I have a few big projects going.
      My ComputerSystem Spec

 
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