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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.

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    • mituM
      mitu Global Moderator
      last edited by

      Hm, then it's not a cable issue. Try adding to the config.txt file:

      hdmi_pixel_freq_limit=200000000

      and see if this improves the connection ?

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        e4rthdog @mitu
        last edited by

        @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

        Hm, then it's not a cable issue. Try adding to the config.txt file:

        hdmi_pixel_freq_limit=200000000

        and see if this improves the connection ?

        So, i did it.

        • First boot was normal. I was able to see the logo , the progress of loading and the final screen. No blinks.
        • After shutting it down it booted with Blinking. TV was coming off and on every 2-3 seconds. Finally booted up. Another thing i noticed is that SSH was slow and one time unresponsive.Putty threw "Connection time out".
        • Another reboot and SSH seems normal now

        Things changed with this setting but still unreliable.. What does it do?

        mituM 1 Reply Last reply Reply Quote 0
        • mituM
          mitu Global Moderator @e4rthdog
          last edited by mitu

          @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

          Things changed with this setting but still unreliable.. What does it do?

          It just filters out the 4k video modes. Do you have any other peripherals connected ? Have you tried another HDMI port of your TV ?

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          • E
            e4rthdog @mitu
            last edited by

            @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

            @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

            Things changed with this setting but still unreliable.. What does it do?

            It just filters out the 4k video modes. Do you have any other peripherals connected ? Have you tried another HDMI port of your TV ?

            A logitech F310 and a wireless keyboard Logitech K400. I tried with other ports.

            I have another PI4 with Libreelec which runs normal, tested in that port also , same behavior.

            It must be something with TV compatibility cause Libre elec once did that blinking and i just put it in defaults 1080p and run smooth without any problem.

            mituM 1 Reply Last reply Reply Quote 0
            • mituM
              mitu Global Moderator @e4rthdog
              last edited by

              @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

              It must be something with TV compatibility cause Libre elec once did that blinking and i just put it in defaults 1080p and run smooth without any problem.

              That would have been useful to mention in the first post. Try to force 1080p in your config.txt as the default resolution.

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              • E
                e4rthdog @mitu
                last edited by

                @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                It must be something with TV compatibility cause Libre elec once did that blinking and i just put it in defaults 1080p and run smooth without any problem.

                That would have been useful to mention in the first post. Try to force 1080p in your config.txt as the default resolution.

                I have done it so using hdmi_group=1 and hdmi_mode=16 which has no effect....

                I am downloading now on a separate card a fresh rasbian to test it directly on the TV for initial setup to see what happens....

                mituM 1 Reply Last reply Reply Quote 0
                • mituM
                  mitu Global Moderator @e4rthdog
                  last edited by

                  @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                  I am downloading now on a separate card a fresh rasbian to test it directly on the TV for initial setup to see what happens....

                  That's a good test, though the RetroPie image is basically a Raspbian Lite image with added software, so I wouldn't be surprised if the result would be the same.

                  But hdmi_group shouldn't be 1 instead of 0 if you want to force 1080p ? hdmi_group=16 is not valid otherwise - see https://www.raspberrypi.org/documentation/configuration/config-txt/video.md.

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                  • E
                    e4rthdog @mitu
                    last edited by

                    @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                    @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                    It must be something with TV compatibility cause Libre elec once did that blinking and i just put it in defaults 1080p and run smooth without any problem.

                    That would have been useful to mention in the first post. Try to force 1080p in your config.txt as the default resolution.

                    Just booted up in fresh rasbian and it does the same. See the vid.

                    tv blinking

                    I guess i will have to move to raspberry forums...

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                    • mituM
                      mitu Global Moderator
                      last edited by

                      This post is deleted!
                      E 1 Reply Last reply Reply Quote 0
                      • E
                        e4rthdog @mitu
                        last edited by

                        @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                        Try again adding to your config.txt:

                        hdmi_group=1 
hdmi_mode=16

                        to force 1080p.

                        This is what i had all along. That's what i wrote also, maybe it wasn't clear

                        mituM DarksaviorD 2 Replies Last reply Reply Quote 0
                        • mituM
                          mitu Global Moderator @e4rthdog
                          last edited by

                          @e4rthdog I mis-read that part, hence my deleted message.

                          E 1 Reply Last reply Reply Quote 0
                          • DarksaviorD
                            Darksavior @e4rthdog
                            last edited by Darksavior

                            @e4rthdog Try hdmi_ignore_edid=0xa5000080

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                            • E
                              e4rthdog @Darksavior
                              last edited by

                              @Darksavior said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                              hdmi_ignore_edid=0xa5000080

                              no change.

                              1 Reply Last reply Reply Quote 0
                              • E
                                e4rthdog
                                last edited by

                                Added a topic on official forums here:

                                https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=263302

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                                • E
                                  e4rthdog @mitu
                                  last edited by

                                  @mitu said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                                  @e4rthdog I mis-read that part, hence my deleted message.

                                  Just to keep you in the loop. The problem had a simple fix.

                                  I called my wife with her nail cutter tool.

                                  She trimmed the official cable plug and know the cable sits tightly on the PI4.

                                  The case panel did not allow for the cable to fit 100% in the socket.

                                  In any case i learned a lot at least :)

                                  mituM 1 Reply Last reply Reply Quote 0
                                  • mituM
                                    mitu Global Moderator @e4rthdog
                                    last edited by

                                    @e4rthdog said in Weekly Build PI4 4.5.10 - TV will keep blanking out, flashing or not working at all.:

                                    In any case i learned a lot at least :)

                                    I'd say so myself.

                                    1 Reply Last reply Reply Quote 0
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