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  1. #1
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    Jan 2016
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    Cannot boot with SSD win10 Asus Z170 S BOOTMGR.

    Before i go for fully clean install,want to try here for help because i cannot seem to solve it

    After i changed my Z68A Mobo CPU and Ram TO Skylake build Asus Z170-S TUF and i7 6700k,my SSD and HDD remained same,i plugged everything together and everything worked fine but after a little i noticed insane long BOOT UP times like 25 sec from 8 sec (old setup).
    I cannot BOOT from my SSD if i choose First SSD then Second HDD it says BOOTMGR. missing.If i Choose HDD first system boots.

    What i tried so far is AHCI mode (by default AHCI)
    Insert cable in different ports
    Any help is greatly appreciated

    Looking foward to your reply

  2. #2
    Moderator Array Nate152 PC Specs
    Nate152 PC Specs
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    Feb 2013
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    Hi Streamroller

    When upgrading to a new motherboard you always want to do a fresh install of windows.

    Do a UEFI install on your ssd, once windows installs select "windows boot manager" as boot priority 1.

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