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Author Topic: dont get a signal on first boot but when i restart it shows ?  (Read 581 times)

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mebronx2000

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can anyone help ? every time i start my pi the lcd dont show anything put when i restart it the signal shows i try to replace the hdmi cable but still the same i have to restart for attract mode to show ! thanks

mahuti

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Re: dont get a signal on first boot but when i restart it shows ?
« Reply #1 on: May 02, 2017, 12:57:38 am »
Can you post the contents of your config.txt file? Seems like there must be something off in the settings.

Do you have anything connected to the GPIO pins?
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mebronx2000

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Re: dont get a signal on first boot but when i restart it shows ?
« Reply #2 on: May 02, 2017, 02:29:19 am »
Can you post the contents of your config.txt file? Seems like there must be something off in the settings.

Do you have anything connected to the GPIO pins?
nothing on the gpio pins ! and which config.txt? i go into my pi then go into cofigs then all ?thanks for your help  :cheers:

mahuti

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Re: dont get a signal on first boot but when i restart it shows ?
« Reply #3 on: May 02, 2017, 03:08:33 am »
Just for reference:
https://www.raspberrypi.org/documentation/configuration/config-txt/
https://www.raspberrypi.org/documentation/configuration/config-txt/video.md

config.txt is kind of like the BIOS.

If you are in the console or logged in via SSH you can open (and edit so be careful) using this:
Code: [Select]
sudo pico /boot/config.txt
If you're editing the SD card directly, then it's in the boot partition.

If you haven't ever edited that file, then it's probably something else if you're just using the standard VGA output. The only time I've had issues with screens not showing is when the config.txt is configured wrong, or the monitor is turned on after the Pi starts up... and I haven't configured the config.txt
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mebronx2000

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Re: dont get a signal on first boot but when i restart it shows ?
« Reply #4 on: May 02, 2017, 09:35:20 am »
Just for reference:
https://www.raspberrypi.org/documentation/configuration/config-txt/
https://www.raspberrypi.org/documentation/configuration/config-txt/video.md

config.txt is kind of like the BIOS.

If you are in the console or logged in via SSH you can open (and edit so be careful) using this:
Code: [Select]
sudo pico /boot/config.txt
If you're editing the SD card directly, then it's in the boot partition.

If you haven't ever edited that file, then it's probably something else if you're just using the standard VGA output. The only time I've had issues with screens not showing is when the config.txt is configured wrong, or the monitor is turned on after the Pi starts up... and I haven't configured the config.txt
thanks so much for your help ! i will give it a try ! :applaud: :applaud: :applaud:

mebronx2000

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Re: dont get a signal on first boot but when i restart it shows ?
« Reply #5 on: May 02, 2017, 10:49:05 am »
i think i fixed it ! thanks so much for your help! i unplugged the lcd and plugged it back it the signal came up and when i rebooted it shows now thanks  :applaud: :cheers:

  
 

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