Windows 10: Unable to install windows using UEFI USB

Discus and support Unable to install windows using UEFI USB in Windows 10 Ask Insider to solve the problem; Every time I try booting into the UEFI mode of my usb drive it gets stuck in a bootloop. I can boot into the legacy mode of my bootable media, but... Discussion in 'Windows 10 Ask Insider' started by /u/Shigahoomy, Nov 24, 2020.

  1. Unable to install windows using UEFI USB


    Every time I try booting into the UEFI mode of my usb drive it gets stuck in a bootloop. I can boot into the legacy mode of my bootable media, but using an MBR partition scheme instead of GPT is out of the question, because I'm dual booting and can't survive without REFInd or some sort of boot manager. I have an ASROCK motherboard and I have CSM and secure boot disabled already. I'm almost completely certain that it's not the bootable media which is the problem as I have tried three different drives, each time installing windows using three different methods (media creation tool, rufus, and woeUSB).

    I am woefully confused, please send help.

    submitted by /u/Shigahoomy
    [link] [comments]

    :)
     
    /u/Shigahoomy, Nov 24, 2020
    #1

  2. Trouble installing windows 7 on RAID in UEFI

    As the title says, I'm trying to install Windows on a RAID array in uefi on my Maximus V Formula. When using legacy ROM I can install just fine but I go into CSM and change settings to UEFI only, I can build the array in the UEFI Raid driver (IRST tab in "BIOS") but the array does not show up in the boot menu and when I try to install windows (boot from UEFI DVD drive), The drive does not show up in the Windows install. The next thing I tried was to enable UEFI and legacy oprom in CSM, boot from UEFI DVD drive and install to the RAID array (probably detected by legacy oprom) and it will install. After first reboot, Windows Boot manager will show up as an option in the BIOS boot menu so I set that as first boot device and reboot. I will get to the starting windows screen and then BSOD (too quick to get codes) The last thing I tried was Changing to legacy mode and installing windows to a different drive. once installed, I initialized the Raid array as GPT and rebooted, changed csm back to UEFI only but they RAID array still doesn't show in the boot device list so I repeated the earlier process hoping that It might work because I had initialized as GPT but it still BSODs on starting windows screen. Any help or suggestions would be greatly appreciated
     
    mystiksinner, Nov 24, 2020
    #2
  3. FX-GMC Win User
    Trouble installing windows 7 on RAID in UEFI

    I think you were on track with your first try. Windows installer probably needs the RAID driver in order to detect it on install.

    Unable to install windows using UEFI USB [​IMG]
     
    FX-GMC, Nov 24, 2020
    #3
  4. Flava0ne Win User

    Unable to install windows using UEFI USB

    Installing Windows 7 in UEFI Issues

    At the moment my Windows installation isn't in UEFI. I reinstalled in Legacy for the moment to see if I could get help first why my drives weren't being recognized at all other than my ROG RAIDR when installed with UEFI. I'll give that I try tomorrow and post back. I just want to be able to use the internet for the rest of my evening.
     
    Flava0ne, Nov 24, 2020
    #4
Thema:

Unable to install windows using UEFI USB

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