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  1.    10 May 2016 #1
    Join Date : May 2016
    Posts : 18
    Windows 10

    Legacy boots usb fine but UEFI can't recognize it.


    So i have a laptop with windows 10 And i downgraded it to windows 7 thus i change uefi to legacy but since drivers are not compatible with win7 i tried to clean install again in windows 10 using uefi but it cant be recognize unlike legacy. It always shows (no bootable device)
      My ComputerSystem Spec
  2.    10 May 2016 #2
    Join Date : Feb 2016
    Posts : 51
    Windows 10 Home x64

    Quote Originally Posted by Kim2312 View Post
    So i have a laptop with windows 10 And i downgraded it to windows 7 thus i change uefi to legacy but since drivers are not compatible with win7 i tried to clean install again in windows 10 using uefi but it cant be recognize unlike legacy. It always shows (no bootable device)
    You try change it to auto or change it back to legacy.
    Or according to your statement, format the drive again.
      My ComputerSystem Spec
  3.    10 May 2016 #3
    Join Date : May 2016
    Posts : 18
    Windows 10
    Thread Starter

    How to change it to auto? I tried to format the drive when i run the win10 usb in legacy. I format it then quit the installation then change the legcy to uefi but still wont work
      My ComputerSystem Spec
  4.    10 May 2016 #4
    Join Date : May 2016
    Posts : 18
    Windows 10
    Thread Starter

    Also i clean install windows 7 and format hdd , so obviously i cant perform factory reset haha.
      My ComputerSystem Spec
  5.    10 May 2016 #5
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,620
    Windows 10 IoT

    Is it booting from the thumb drive in UEFI Mode? How did you create your install media? Some devices will not install in UEFI mode if the thumb drive is formatted in NTFS.
      My ComputerSystem Spec
  6.    10 May 2016 #6
    Join Date : Feb 2016
    Posts : 51
    Windows 10 Home x64

    Quote Originally Posted by Kim2312 View Post
    How to change it to auto? I tried to format the drive when i run the win10 usb in legacy. I format it then quit the installation then change the legcy to uefi but still wont work
    BIOS settings.
      My ComputerSystem Spec
  7.    10 May 2016 #7
    Join Date : May 2016
    Posts : 18
    Windows 10
    Thread Starter

    I have download the iso from microsoft site, and i burnt it using rufus. I didn't change anything from rufus setting before burning the iso .. but as i remember i saw nfts somewhere there.
      My ComputerSystem Spec
  8.    10 May 2016 #8
    Join Date : Oct 2013
    Penns Forrest
    Posts : 3,506
    Win_8.1-Pro, Win_10.1607-Pro, Mint_17.3

    Quote Originally Posted by Kim2312 View Post
    I have download the iso from microsoft site, and i burnt it using rufus. I didn't change anything from rufus setting before burning the iso .. but as i remember i saw nfts somewhere there.
    USB must be fat32 for UEFI install media

    see: USB Flash Drive - Create to Install Windows 10 - Windows 10 Forums
    6. To Create Bootable UEFI USB Flash Drive for Installing Windows 10 with UEFI
      My ComputerSystem Spec
  9.    11 May 2016 #9
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,620
    Windows 10 IoT

    I use diskpart, option 2 here, http://www.eightforums.com/tutorials...e-windows.html Doing it that way I can use that one thumb drive for both UEFI and legacy. Just swap the Windows 8 ISO for a Windows 10 ISO.
    Last edited by alphanumeric; 13 May 2016 at 12:39.
      My ComputerSystem Spec
  10.    13 May 2016 #10
    Join Date : Oct 2013
    Penns Forrest
    Posts : 3,506
    Win_8.1-Pro, Win_10.1607-Pro, Mint_17.3

    Quote Originally Posted by alphanumeric View Post
    I use diskpart, option 2 here, http://www.eightforums.com/tutorials...te-windows.htm Doing it that way I can use that one thumb drive for both UEFI and legacy. Just swap the Windows 8 ISO for a Windows 10 ISO.
    That's odd ... I get this when I click on your link
    http://www.eightforums.com/attachments/browsers-mail/15458-send-file-via-email-untitled4.png

    Here's what I think you wanted:
    UEFI Bootable USB Flash Drive - Create in Windows
    Scroll down to:


    Legacy boots usb fine but UEFI can't recognize it. OPTION TWO Legacy boots usb fine but UEFI can't recognize it.
    To Manually Create a Bootable UEFI USB Flash Drive
      My ComputerSystem Spec

 
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