What does pressing ALT F2 do in Windows 10


  1. pypedreams
    Posts : 18
    Windows 10 Home Version 22H2 (OS build 19045.4651)
       New #1

    What does pressing ALT F2 do in Windows 10


    Hi,

    In KMPlayer media player pressing ALT F2 should reduce the subtitle's font size, but suddenly my monitor went to sleep and after hitting the space bar I was at the login (password) screen. Could someone please explain what could've happened, as it's got me a little concerned.

    Thanks
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  3. NavyLCDR
    Posts : 18,500
    Windows 11 Pro
       New #2

    Alt-F2 does not doe anything in Windows itself. Your monitor went to sleep due to power and sleep settings:

    What does pressing ALT F2 do in Windows 10-capture.jpg

    You were asked for a password due to Sign-in Settings (Require Sign-in):

    What does pressing ALT F2 do in Windows 10-capture1.jpg
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  4. pypedreams
    Posts : 18
    Windows 10 Home Version 22H2 (OS build 19045.4651)
    Thread Starter
       New #3

    My monitor doesn't go to sleep while playing a movie in KMPlayer media player, and even when the computer does come out of sleep mode, it never asks for my password, I'm at my desktop screen.
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  6. f14tomcat
    Posts : 57,069
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       New #4

    pypedreams said:
    My monitor doesn't go to sleep while playing a movie in KMPlayer media player, and even when the computer does come out of sleep mode, it never asks for my password, I'm at my desktop screen.
    Sound a little like the Lock Screen scenario. Try this. hold the WIN key and press L. See if you get a similar result.
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