Windows 10: Can't find the hard drive in BIOS, can't upgrade to UEFI

Discus and support Can't find the hard drive in BIOS, can't upgrade to UEFI in Windows 10 Gaming to solve the problem; Well, i have several problems overall..I set up my PC 2 years ago and added a new M.2 SSD to the system as well as some hardware upgrades. Then I tried... Discussion in 'Windows 10 Gaming' started by Arzathor, Jan 15, 2025.

  1. Arzathor Win User

    Can't find the hard drive in BIOS, can't upgrade to UEFI


    Well, i have several problems overall..I set up my PC 2 years ago and added a new M.2 SSD to the system as well as some hardware upgrades. Then I tried to install windows on the new M.2 where the first problem occured: From now on after starting the PC there was a Windows setting screen, where i could choose between Win 10 Home and Win 10. The first one works just fine, the second one couldn't boot at all. I was thinking it's because I didn't delete Windows properly on the HDD, but since it worked it was fine for me. The only problem was, that I wasn't able to upgrade the BIOS from the CSM/Le

    :)
     
    Arzathor, Jan 15, 2025
    #1
  2. Xylee Del Win User

    hard drive full, but can<t find the item to erase

    Windows 10 has the option to change the storage location. We suggest that you change the storage location so you can still use your hard drive instead of using the SSD. Kindly follow the steps below on how to change the storage location:

    • On the Search bar, type in storage and select the top most result.
    • On the Storage screen, change the location of each options to your desired hard drive. The files will now be saved on the specific hard drive.

    Can't find the hard drive in BIOS, can't upgrade to UEFI 47d2da23-d12c-4708-9637-ccc0766a4909.png


    Let us know if you need further assistance.
     
    Xylee Del, Jan 15, 2025
    #2
  3. Can`t access the BIOS on my pc

    I`m trying to access the BIOS of my pc that is running on Windows 10 OS, but I can`t access at all.

    this is a old pc and still has the old style of the BIOS and not the newer ones UEFI. Is anyone knows how to do it? Please!
     
    Fabio_ninja, Jan 15, 2025
    #3
  4. Can't find the hard drive in BIOS, can't upgrade to UEFI

    Changed to gpt and uefi bios, now windows wont boot

    Emil Gyldenskog Nøsavik

    Thank you for posting in the Microsoft community.

    When a MBR hard disk is converted to GPT, if you can't get into the system, it's usually due to incorrect BIOS settings or no UEFI boot. Here are the steps to solve this problem:

    1. Enter PE system: Use a USB flash drive to boot and enter the PE system (pre-installation environment) to make sure the data is normal.
    2. Check the BIOS settings:
      • Make sure UEFI boot is set in BIOS.
      • If the BIOS is set to UEFI boot, but the partition is still MBR partition, you need to modify the BIOS settings to match the hard disk partition mode and boot mode.
    3. Use a PE tool that supports UEFI: Make sure the PE tool you use supports UEFI repair boot.
    4. Create an EFI system partition:
      • In PE system, open "Disk Management", find the SSD (usually labeled as "Disk 1"), right-click and select "Compress Volume" to compress about 500MB of space.
      • Open a command prompt, type `diskpart` and enter.
      • Use the `select disk` command to select the SSD.
      • Use the `create partition efi` command to create the EFI system partition.
      • Format the EFI partition using the `format fs=fat quick` command.
      • Use the `assign` command to assign a drive letter to the EFI partition.
    5. Bootstrap Repair:
      • In a command prompt window, type `bcdboot x:\windows /s y: /f uefi`, where `x` is the drive letter where the system is located in the SSD and `y` is the drive letter of the EFI partition.

    Hope the above information can help you



    Best Wish

    Shawn Z | Microsoft Community Support Specialist
     
    ShawnZ - MSFT, Jan 15, 2025
    #4
Thema:

Can't find the hard drive in BIOS, can't upgrade to UEFI

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