Windows 10: UEFI Drive/Boot problem

Discus and support UEFI Drive/Boot problem in Windows 10 Installation and Upgrade to solve the problem; My W10 system WAS running fine (Gigabyte Mobo) with a UEFI SSD boot drive UNTIL I had a problem where I lost all boot. I think it was a SATA cable... Discussion in 'Windows 10 Installation and Upgrade' started by mikephillips, Mar 22, 2019.

  1. UEFI Drive/Boot problem


    My W10 system WAS running fine (Gigabyte Mobo) with a UEFI SSD boot drive UNTIL I had a problem where I lost all boot. I think it was a SATA cable problem, but it is now resolved. HOWEVER, in the process I no longer boot in UEFI, but into Win Boot Manager. UEFI is selected in 'Bios', but unlike before the only drive options are 'Windows Boot Manager ..drive xxx' whereas before the option was 'UEFI drive xxx'. How do I get the system to 'recognise' the boot drive (Kingston 400Gb SSD) as UEFI? It is still correctly partioned as GPT.

    :)
     
    mikephillips, Mar 22, 2019
    #1

  2. Install Windows 10 using UEFI bootable USB thumb drive

    You need to go into you system bios and select allow uefi usb drive. Then add the UEFI usb drive to the boot menu

    better way to partition aand create an bootable usb.

    For the UEFI system, we can use these steps to create the bootable USB:

    1.Locate a 4GB or larger USB flash drive

    2.Open Diskpart and run the following command cmd admin type diskpart

    • Type DiskPart in the command prompt.
    • Type "List Disk” (make note of the disk number of the target USB drive).
    • Type "Select Disk X”, where X is the target USB drive noted in step 4.
    • Type "Clean”.
    • Type "Create Partition Primary”.
    • Type "format FS=fat32 quick”.
    • Type "Active”.
    • Type "Assign".
    • Type "Exit".

    Copy your ISO files to the drive and reboot

    never use UEFI it better to repartition and remove UEFI go with legacy bois
     
    bfvetscolakid, Mar 22, 2019
    #2
  3. dark2099 Win User
    AsRock Z77 Pro3 - AHCI? UEFI?

    UEFI is a new standard of bios design, so that would probably be what the BIOS has listed as the first boot option, where ACHI is a mode that SATA controllers run, and that is probably listing drives by order of first to last by port order. Not sure why it would list that way (if my guess is right as to how/why it is listing the drives).
     
    dark2099, Mar 22, 2019
    #3
  4. Kbird Win User

    UEFI Drive/Boot problem

    UEFI Boot problem after bcedit command


    Have you ever set up TPM on this Laptop ?

    What is a TPM, and Why Does Windows Need One For Disk Encryption?

    Windows Trusted Platform Module Management Step-by-Step Guide


    The manual I found suggests that CD/DVD is the default option for boot device for the Computer but can be changed to USB etc in the Boot Options, but I guess you don't see that? It does say to turn off Fastboot , if trying to use DOS CD's however my guess is they mean if it is MBR based and not UEFI , so best to disable it anyway and transfer the Win10 ISO Files after mounting it , to a Fat32 formatted USB Drive which should be set Active as well with MTPW.

    KB
     
    Kbird, Mar 22, 2019
    #4
Thema:

UEFI Drive/Boot problem

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