Windows 10: Tablet UEFI firmware not detecting Windows 10 Ed. bootable USB Solved

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  1. Posts : 18
    Windows 10 Education
       04 Mar 2018 #1

    Tablet UEFI firmware not detecting Windows 10 Ed. bootable USB


    I'm trying to install Windows 10 Education on a 10-inch tablet running Insydeh20 rev 5.0 firmware. Unfortunately, I don't have a make or model for this tablet. I think it was given to my brother-in-law in school in Mexico, but beyond that I'm not sure. Since I don't know the system specs, I'll include some images that hopefully shed some light.

    Click image for larger version. 

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    The serial number on the back is: WINTBC17041391

    Before I attempted any installs, I disabled Secure Boot (although I have since tried booting with it turned back on), and either way, I still don't see the USB as a bootable device.

    When I boot, I hit Esc to access the boot menu and select Boot Manager

    Click image for larger version. 

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    but the USB drive is not present.

    Click image for larger version. 

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    I used Rufus to write the windows ISO to my flash drive. The ISO is called:

    en_windows_10_education_version_1703_updated_march_2017_x64_dvd_10189297.iso
    Here's a screenshot of the settings I used:

    Click image for larger version. 

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    To test the USB drive, I tried installing GParted to it using the same settings in Rufus, and that does show up in the Boot Manager menu, and I can boot into GParted.

    So I'm really not sure what I'm doing wrong. Any help is greatly appreciated!
    Last edited by Brink; 04 Mar 2018 at 18:50. Reason: removed images showing product key
      My ComputerSystem Spec


  2. Posts : 18
    Windows 10 Education
    Thread Starter
       04 Mar 2018 #2

    Replying to add a few more UEFI screenshots:

    Click image for larger version. 

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    Let me know if you need screenshots of the other menu pages in the BIOS/UEFI
      My ComputerSystem Spec

  3.    04 Mar 2018 #3

    Does the tablet support 64-bit OSes? I would try the 32-bit Win10 ISO.
      My ComputerSystem Spec


  4. Posts : 18
    Windows 10 Education
    Thread Starter
       04 Mar 2018 #4

    I can run the 64-bit version of GParted, so I'm assuming it does support 64-bit OSes.
      My ComputerSystem Spec

  5.    04 Mar 2018 #5

    I'm assuming you mean the GParted live-USB. That has both 32-bit and 64-bit bootloaders in the image. Out of curiosity, does it still boot if you delete the \EFI\boot\bootia32.efi file?
      My ComputerSystem Spec


  6. Posts : 7,398
    10 Home x64 (1803) (10 Pro on 2nd pc)
       04 Mar 2018 #6

    FrozenSea said: View Post
    I used Rufus to write the windows ISO to my flash drive ...To test the USB drive, I tried installing GParted to it using the same settings in Rufus, and that does show up in the Boot Manager menu, and I can boot into GParted.

    So I'm really not sure what I'm doing wrong. Any help is greatly appreciated!
    There is a simple and reliable way to make bootable Windows install media on a USB without the aid of Rufus, all done with native Windows commands. You make an mbr partition, formatted to Fat32 and (if you want it bootable in legacy as well as efi) the partition should be marked as Active. Then just mount the .iso and copy all the files and folders from the mounted .iso (a virtual DVD drive) to the USB.

    To prepare the USB, use Diskpart. In this example the USB is disk 1, use LIST DISK first to find the number of yours.

    Code:
    Microsoft DiskPart version 10.0.16299.15
    Copyright (C) Microsoft Corporation.
    
    DISKPART> LIST DISK
    
      Disk ###  Status         Size     Free     Dyn  Gpt
      --------  -------------  -------  -------  ---  ---
      Disk 0    Online          465 GB      0 B
      Disk 1    Online         7634 MB      0 B
    
    DISKPART> SELECT DISK 1
    Disk 1 is now the selected disk.
    
    DISKPART> CLEAN
    DiskPart succeeded in cleaning the disk.
    
    DISKPART> CREATE PARTITION PRIMARY
    diskPart succeeded in creating the specified partition.
    
    DISKPART> SELECT PARTITION 1
    Partition 1 is now the selected partition.
    
    DISKPART> FORMAT FS=FAT32 QUICK
      100 percent completed
    DiskPart successfully formatted the volume.
    
    DISKPART> ACTIVE
    diskPart marked the current partition as active.
    
    DISKPART> EXIT
      My ComputersSystem Spec


  7. Posts : 18
    Windows 10 Education
    Thread Starter
       04 Mar 2018 #7

    It looks like the GParted live USB is running the 64-bit Linux kernel.

    Click image for larger version. 

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    Anyways, I'll try deleting \EFI\boot\bootia32.efi.
      My ComputerSystem Spec


  • Posts : 18
    Windows 10 Education
    Thread Starter
       04 Mar 2018 #8

    PolarNettles, my iso does not have the \EFI\boot\bootia32.efi file.

    Bree, when I try to run the "ACTIVE" command in disk part, I get this message:

    The selected disk is not a fixed MBR disk.
    The ACTIVE command can only be used on fixed MBR disks.
    Do I need to set the partition table to MBR?
      My ComputerSystem Spec


  • Posts : 7,398
    10 Home x64 (1803) (10 Pro on 2nd pc)
       04 Mar 2018 #9

    FrozenSea said: View Post
    Bree, when I try to run the "ACTIVE" command in disk part, I get this message:
    The selected disk is not a fixed MBR disk.
    The ACTIVE command can only be used on fixed MBR disks.
    Do I need to set the partition table to MBR?
    You are using the same USB as you used before with Rufus, which set it to a gpt partition. A gpt partition cannot be marked active, only a mbr one.

    Did you miss out the CLEAN command?

    The Diskpart command CLEAN should have removed all partition table information from the USB, the next command CREATE PARTITION PRIMARY should then have created an mbr partition table and a single partition using the whole USB. Format that to Fat32, mark it Active and copy the files from the mounted iso to the usb. That should be bootable in any machine.
      My ComputersSystem Spec


  • Posts : 18
    Windows 10 Education
    Thread Starter
       04 Mar 2018 #10

    I ran the CLEAN command, as seen below:

    Microsoft DiskPart version 10.0.16299.15

    Copyright (C) Microsoft Corporation.
    On computer: BEHEMOTH

    DISKPART> list disk

    Disk ### Status Size Free Dyn Gpt
    -------- ------------- ------- ------- --- ---
    Disk 0 Online 2794 GB 0 B *
    Disk 1 Online 55 GB 1024 KB
    Disk 2 Online 149 GB 0 B
    Disk 3 Online 2794 GB 0 B *
    Disk 4 Online 93 GB 0 B
    Disk 5 Online 7800 MB 0 B *

    DISKPART> select disk 5

    Disk 5 is now the selected disk.

    DISKPART> detail disk

    General UDisk USB Device
    Disk ID: {BBEEEC1E-7224-4202-90BD-9ECDEEEDA334}
    Type : USB
    Status : Online
    Path : 0
    Target : 0
    LUN ID : 0
    Location Path : UNAVAILABLE
    Current Read-only State : No
    Read-only : No
    Boot Disk : No
    Pagefile Disk : No
    Hibernation File Disk : No
    Crashdump Disk : No
    Clustered Disk : No

    Volume ### Ltr Label Fs Type Size Status Info
    ---------- --- ----------- ----- ---------- ------- --------- --------
    Volume 7 F CEDA_X64FRE FAT32 Removable 7798 MB Healthy

    DISKPART> clean

    DiskPart succeeded in cleaning the disk.

    DISKPART> create partition primary

    DiskPart succeeded in creating the specified partition.

    DISKPART> select partition 1

    Partition 1 is now the selected partition.

    DISKPART> format fs=fat32 quick

    100 percent completed

    DiskPart successfully formatted the volume.

    DISKPART> active

    The selected disk is not a fixed MBR disk.
    The ACTIVE command can only be used on fixed MBR disks.

    DISKPART> exit

    Leaving DiskPart...
      My ComputerSystem Spec


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