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Jonny Castaway Screensaver 64 bit


I followed the guide here:

The screensaver loads when I select "Preview" from the screensaver options pane in Windows (10 64Bit). But when I leave the PC idle for the screensaver to launch automatically the screen flashes for a second then nothing appears - as though it tried to launch but failed.

Has anyone come across this before?

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dissposablehero7 years agoWindows 10 x64, Google Chrome

5 replies

  • It started working when I switched the "fullresolution=desktop" back to "fullresolution=original" in the DOSBOX options. For whatever reason it doesn't like it when ran automatically but works fine when manually run from the start menu or the Preview button in the screensaver pane.

    Strange but at least it works. Let me know if anyone has a fix, if not I'll leave it as it is.

    dissposablehero7 years ago

  • Now it isnt working again - same flash as before. Didnt change anything else since it ran the one time before. It seems like DOSBOX isn't loading correctly.

    dissposablehero7 years ago

  • Unfortunately, I'm unable to reproduce this behavior on my Windows 10 64-bit computer. And it works best with "fullresolution" set to "original", the "desktop" setting (which is not in the tutorial) seems to break it for me.

    You could try a few different settings for the "output" mode, but if that setting would be wrong for your computer, it shouldn't run on "Preview" either.

    What happens if you set the path in the Screen Launcher settings to:
    "C:\Windows\SysWOW64\Mystify.scr" /s

    Does the Mystify screensaver start automatically when the wait time passes?

    Also, if you have a third-party anti-virus scanner, try disabling it temporarily.

    Rob (Screensavers Planet)7 years ago

  • It works for me but i noticed that it uses a considerable amount of cpu power to run this screen saver, more than I am comfortable with for actually using it as the screen saver, I guess because it has to emulate the dos system and everything.

    Mike W7 years ago

  • I have seen that happen, too, Mike, but not on every computer. DOSbox does add an extra layer of complexity, of course. You could try different values for the "output" setting in the DOSbox configuration file, and see if that changes anything.

    Rob (Screensavers Planet)7 years ago

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