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Screen flashes, goes black, flickers  

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Rayzik907
(@rayzik907)
Member
Screen flashes, goes black, flickers

I've had my MK4S for a couple of months.  It was a kit which I enjoyed building very much.  I've done a number of prints with it, no issues.  Now the screen starts flickering, blacking out, flashing... often now.  The print will complete okay but the screen keeps flickering etc... reset fixes it for a moment.  Cycle power sometimes helps for a while.  I have the latest firmware loaded.  ... help?

Posted : 03/12/2024 3:36 am
Michi
(@michi-3)
Active Member
RE: Screen flashes, goes black, flickers

I had the same Problems after upgrading to 6.1.4. There is a Post @ Github about that Problem.
I added some files from my MK4S there too. My Nickname there is neofir3.
Im using my MK4S in an Original Prusa Enclosure. My buyed a new xLCD cable laid it directly from the Buddyboard to the xLCD without any fixing.
I had no Displayproblems in the last ~ 2 weeks with that new cable.
But im wondering because the problems first startet directly with the first boot with 6.1.4.

Posted : 07/12/2024 7:41 pm
Rayzik907
(@rayzik907)
Member
Topic starter answered:
RE: Screen flashes, goes black, flickers

Thanks for the reply.  After some research, what you did is what I plan to do.  The Ribbon cables are not shielded, and I think this is the problem.  It is an intermittent problem.  I'm unsure if the firmware upgrade had anything to do with it but I will keep that in mind.

Posted : 07/12/2024 10:04 pm
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