Read the statement by Michael Teeuw here.
rpi dont wake up my screen anymore
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 i dont have PIR module, 
 so no MMM-PIR folder ?
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 @seramik sorry, what code runs the i 've putted a button on RUN contact to put on the rpi that code needs to be recompiled 
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 no codes, i use the RUN and PEN holes on the card, 
 exemple but me, i only use one button
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 ok, missed the whole thing… sorry so, you power off the pi with code 
 then hit connect the RUN pin to power the PI back upbut the new(er) monitor doesn’t come back on? 
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 that is right 
 the monitor is the same as before, ( just test another one during one month)
 but before it does work( with old version)
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 my bad @ninjabreadman said in {HowTo} turn on/off your monitor (Time based, PIR/Button, App): @E3V3A Some monitors, but almost all television displays turn off after delay (and then cannot be woken in software). i will put a relai on GPIO and it will work 
 at start( when my run button is pressed) it will shut off and shut on the monitor/solved 
