PC doesn't boot from USB (like it always did)

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  1. Posts : 24
    Windows 7 Home Premium 64-bit
       #1

    PC doesn't boot from USB (like it always did)


    Hi there
    Since I installed Windows 7 on my notebook using EFI I'm unable to boot from any USB stick (obviously bootable). For example, if I insert my Windows 7 insallation USB (the same I used to install my system) and I set the correct boot order, my PC boots directly from my hard drive.

    Any hint is welcome!
      My Computer


  2. Posts : 13,576
    Windows 10 Pro x64
       #2

    Disable EFI

    Reinstall windows again.
      My Computer


  3. Posts : 24
    Windows 7 Home Premium 64-bit
    Thread Starter
       #3

    AddRAM said:
    Disable EFI

    Reinstall windows again.
    You may have misunderstood me. I don't want to reinstall Windows again, I just want to boot a Linux distribution or Windows's rescue utility.
      My Computer


  4. Posts : 11,408
    ME/XP/Vista/Win7
       #4

    Are you booting the USB in UEFI mode?

    PC doesn't boot from USB (like it always did)-uefi_usb_boot_menu.jpg

    PC doesn't boot from USB (like it always did)-windows-8-downgrade-006-sb-posting.png
      My Computer


  5. Posts : 24
    Windows 7 Home Premium 64-bit
    Thread Starter
       #5

    theog said:
    Are you booting the USB in UEFI mode?
    Yes I am. I haven't got separate entries for EFI/nonEFI mode, I have got an option to enable EFI for all the devices (USBs, HDD, DVDs...) and obviously I've enabled it
      My Computer

  6.    #6

    Look closely at all BIOS settings on all tabs in BIOS setup. Some may pertain to USB boot.

    Format the stick correctly using Option One only from UEFI Bootable USB Flash Drive - Create in Windows for Win7.

    For Linux you'll need to ask a Linux expert, perhaps in this thread: Dual Boot - Windows 7 and Linux
      My Computer


  7. Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       #7

    Tomoms said:
    AddRAM said:
    Disable EFI

    Reinstall windows again.
    You may have misunderstood me. I don't want to reinstall Windows again, I just want to boot a Linux distribution or Windows's rescue utility.
    Why do you want to keep EFI and not go back to Legacy ?
    In your other thread Greg asked why you reinstalled in EFI, and you replied "I reinstalled in EFI mode just to try it out".
    https://www.sevenforums.com/general-d...ml#post2874162

    To me it seems your problems might be caused by using EFI on this "older laptop" ...
    Maybe it's a problem with your laptop/BIOS/EFI ... ???
    You could check with Samsung support, but will they support an older product that may need BIOS changes ???

    If you didn't have these issues before installing with EFI, why not re-install with Legacy ?
    You might be spending more time trying to make things work with EFI than it's worth, and may never work reliably !
      My Computer


  8. Posts : 24
    Windows 7 Home Premium 64-bit
    Thread Starter
       #8

    I'm sure this problem is related to Windows simply because on this laptop I've used Linux + EFI for 2 years without these problems. I was able to boot into my Windows USB installer while using Linux in EFI mode, and so I installed Windows.
      My Computer


  9. Posts : 13,576
    Windows 10 Pro x64
       #9

    No, I didn`t misunderstand you
      My Computer


  10. Posts : 6,330
    Multi-Boot W7_Pro_x64 W8.1_Pro_x64 W10_Pro_x64 +Linux_VMs +Chromium_VM
       #10

    Tomoms said:
    I'm sure this problem is related to Windows simply because on this laptop I've used Linux + EFI for 2 years without these problems. I was able to boot into my Windows USB installer while using Linux in EFI mode, and so I installed Windows.
    I didn't know you've been using Linux + EFI ...

    Post a screen print of Disk Management:
    Disk Management - Post a Screen Capture Image

    Greg is the top installation guru here.
    He may see something in the DM that might help explain things ...
    I'll look, but I'm no installation or Linux expert
      My Computer


 
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