Windows 10: General UEFI Question

Discus and support General UEFI Question in Windows 10 Support to solve the problem; Surely even with fast boot on you can still access the bios from a cold start (not a restart) by pressing F12 or DEL or whatever your mobo requires? I... Discussion in 'Windows 10 Support' started by lgentry, Aug 12, 2015.

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  1. GROWAPAIR30
    growapair30 Win User

    General UEFI Question


    I've been having trouble with restart as well from inside the Windows environment. Weirdly enough, when I do a cold start F12 does nothing - no option to do so even presents itself. However, if I restart from the Windows login screen it does actually restart and I can F12 from there.
     
    growapair30, Aug 12, 2015
    #16
  2. BOBKN
    bobkn Win User

    If "rezpower" referred to the settings in the Power control panel, it's definitely in Windows.
     
    bobkn, Aug 13, 2015
    #17
  3. ALPHANUMERIC
    alphanumeric New Member
    Don't confuse the BIOS Fast Boot option with Windows Fast Startup option. Two totally different things, you can't turn off Windows Fast Startup from the BIOS. One issue with it is, it puts the PC in a hybrid sleep mode instead of a complete shutdown. Coming out of this mode bypasses the option to enter the BIOS. For a lot of PC's it does anyway. It's been an issue for me so I turn it off. I have an SSD so its not going to speed thing up to where it would be noticeable anyway. What rezpower posted is how you turn it off in Windows. It won't work though if you can't actually boot into windows.
     
    alphanumeric, Aug 13, 2015
    #18
  4. ALPHANUMERIC
    alphanumeric New Member

    General UEFI Question

    That's not universal across all laptops though. F2 won't do anything on boot on my laptop.
     
    alphanumeric, Aug 13, 2015
    #19
  5. ESSENBE
    essenbe Win User
    It can also cause problems when you have a separate OS installed on another disk. The Hybrid Sleep option does not dismount the disks. It wanted to run check disk on every hard drive I had with it on. I turned it off in the OS, and now I have no problem.
     
    essenbe, Aug 13, 2015
    #20
  6. ALTAE
    altae Win User
    I placed two .bat files on my desktop. One to completely shutdown the pc, on to take advantage of the hybrid shutdown. Now if I want to boot into my Linux OS I use the .bat for complete shutdown, otherwise I chose the hybrid shutdown one.
     
    altae, Apr 4, 2018
    #21
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