Windows 10: Can't boot into UEFI mode - Lenovo Z50-70

Discus and support Can't boot into UEFI mode - Lenovo Z50-70 in Windows 10 Drivers and Hardware to solve the problem; So I set the boot mode due to whateve reason to Legacy Mode (due to dual boot with Linux I think). Now I tried to set it back to UEFI. But this is... Discussion in 'Windows 10 Drivers and Hardware' started by doriandiaconu, Dec 11, 2016.

  1. Can't boot into UEFI mode - Lenovo Z50-70


    So I set the boot mode due to whateve reason to Legacy Mode (due to dual boot with Linux I think).

    Now I tried to set it back to UEFI. But this is what I got:

    (HDD is working if I swtich to Legacy Mode)

    :)
     
    doriandiaconu, Dec 11, 2016
    #1
  2. Deeeaaan Win User

    Stuck at Welcome Screen After a Failed Update

    - It's a Lenovo Z50-70 laptop

    - I'm using windows 10 but I don't know the specific version

    - Yes.
     
    Deeeaaan, Dec 11, 2016
    #2
  3. st-genis Win User
    Windows 10 Anniversery freezes when using system image backup

    The issue is still persisting. System Image Backup is freezing my Laptop on my Lenovo Z50-70. Possibly a CAP2 Error?
     
    st-genis, Dec 11, 2016
    #3
  4. NavyLCDR New Member

    Can't boot into UEFI mode - Lenovo Z50-70

    To switch from legacy mode to UEFI you have to convert the HDD to GPT partitioning and replace the System Reserved boot partition (active) with an EFI system partition.
     
    NavyLCDR, Dec 11, 2016
    #4
  5. I guess this means a full reinstall.
     
    doriandiaconu, Dec 11, 2016
    #5
  6. I have never managed to get UEFI working on this laptop. Any particular reason you want to?
     
    TairikuOkami, Dec 11, 2016
    #6
  7. Just wanted to see if there is any difference between UEFI and Legacy
     
    doriandiaconu, Dec 11, 2016
    #7
  8. doriandiaconu, Dec 11, 2016
    #9
  9. Unless you have disk over 2TB, you do not really need it.
     
    TairikuOkami, Dec 11, 2016
    #10
  10. 500GB SSD Here
     
    doriandiaconu, Dec 11, 2016
    #11
  11. NavyLCDR New Member
    Pretty much. You can create an image of your Windows partition with a program like Macrium Reflect Free. Set the computer to UEFI mode. Boot from a UEFI compatible USB flash drive or DVD of Windows 10. Use diskpart to clean the hard drive and convert to GPT. Clean install Windows 10. Restore your old Windows 10 partition from the image over the top of the new Windows 10 partition created. Run Macrium Reflect Free's fix Windows startup problems utility, and that should be it.
     
    NavyLCDR, Dec 11, 2016
    #12
  12. enigma101 Win User

    Can't boot into UEFI mode - Lenovo Z50-70

    My wife has a Z50-70 and the only way i could get UEFI boot to work was a fresh install.
     
    enigma101, Dec 12, 2016
    #13
Thema:

Can't boot into UEFI mode - Lenovo Z50-70

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