Windows 10: No Windows Boot Manager on dual boot system (7 & 10) Solved

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  1.    27 Feb 2017 #11

    Not to revive an old thread, but it sounds similar enough to my situation that someone can probably direct me easily from here. I have an old PC that my son wants to take the HDD out for his new build. It has Windows 7 on it. I installed a new HDD into the old system that I want to get working. I set up the new drive while using the old OS. Once formatted, I installed Windows 10 on it. I assumed I could then remove the old HDD and it would just boot to the new HDD. However, it doesn't seem to boot from it. In the bios, there is no boot manager which I do see with the other drive in. So can I use the EasyBCD program to set up something on the new drive OS so it will actually boot from it? As is, without the old drive in, I just get a screen that says "Enter bootable device and press any key" or something like that.
      My ComputerSystem Spec

  2. AddRAM's Avatar
    Posts : 2,089
    Windows 7 Pro x64 Windows 10 Pro x64
       27 Feb 2017 #12

    You are very confusing. What do you mean you setup the new drive with the old OS, you should let the Windows 10 installer do that, you should be installing to unallocated space anyway, so there`s no need to set it up.

    You should have removed the old drive before installing Windows 10, try again.

    May I ask, why did you pull an old drive to put in a new system ?

    Why didn`t your son get a solid state drive for his new build ?
      My ComputersSystem Spec

  3.    27 Feb 2017 #13

    I tried just plugging in the new drive as it arrived in the box new and it wasn't even recognized. It just went to the screen to connect a bootable drive and hit any key.

    So as it is, do I need to use the disk management screen to somehow get it back to unallocated?
      My ComputerSystem Spec

  4.    27 Feb 2017 #14

    frostbyte3964 said: View Post
    I tried just plugging in the new drive as it arrived in the box new and it wasn't even recognized. It just went to the screen to connect a bootable drive and hit any key.

    So as it is, do I need to use the disk management screen to somehow get it back to unallocated?
    You need to boot the computer from a Windows 10 installation USB flash drive or DVD, then install Windows 10 to the new drive. New hard drives are not bootable out of the box, you need to install an operating system onto them.
      My ComputerSystem Spec


 
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