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Is there a way for the hdmi output to completely turn off. When I leave my pi idle the screen turns black but the screen stays on and never turns off. The monitor turns to off/idle with other computers but it doesn't with the pi, just turns black.

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up vote 3 down vote accepted

Take a look at this blog post.

According to the author, the kernel framebuffer driver does not have complete power management support. Perhaps future versions of the Raspbian kernel will contain a fix. Until then, the author provides a workaround script that polls to see whether the screen should be off or on and runs tvservice --off or tvservice --preferred as appropriate.

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I think it depends on your Linux distribution. Tv screen should turn off when raspberry will stop send signal.

On the other hand I discover that when I turn on screen after run pi it does not connect to each other. This issue looks like firmware stuff and there is no solution fot this now.

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