[1]The C64 Community

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Display Colors Problem

  SoniC-LaBlue

   Hi Community & theC64mini Team,

   I have a problem regarding colors displayed on a DELL monitor attached to
   the c64 by a HDMI-to-DVI cable.
   It seems like there is no real black displayed - everything is some kind
   of "blue"ed:
   [2]C64

   This monitor is working fine with: laptop, SNES mini, NES mini, tablet &
   smartphone (via USB/HDMI adaptor) etc. - only the C64 has a problem.

   Has anyone an idea what this issue could be and how to solve it?

   Thanks & best regards,
   Alex

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  Moz333

   I would try on a TV, and use the hdmi cable included, just to be double
   sure its not faulty.. Not sure if its intended for HDMI to DVI. Fella on
   YouTube was having similar probs getting monitor display.

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  SoniC-LaBlue

   Hi Moz333,

   you are right > using only an HDMI-cable on another Monitor works.
   It is very disappointing, that the c64 has this kind of
   Display-Compatibility problems, as ALL other devices I tested (SNES&NES
   mini, even tablet/smartphone with USB-HDMI adaptor) worked without any
   problems on this setup :-(

   Thanks for your answer & best regards,
   Alex

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  RetroGamesLtd

   Lots of other unrelated HDMI compatible hardware experience the same
   purple HDMI problem (e.g. consoles, bluray players, HD satellite boxes
   etc). In our experience to date, this only happens on THEC64 Mini when not
   enough power is supplied to the device. Can we ask how you are powering
   THEC64 Mini and do you have any other USB devices connected to it at the
   time? Any additional information will help us to troubleshoot the problem
   for you. Thanks.

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  Moz333

   Maybe its something that will get sorted in the future, via a software
   upgrade ?

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  SoniC-LaBlue

   Hi RetroGamesLtd,

   I tested 2 powersupplies (Apple 5,2V 2,4A & Hama 5V 2,1A) - no other USB
   devices despite of the joystick connected.
   The problem is the same with both.

   Best,
   Alex

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  SoniC-LaBlue

   ...tested with 2 different USB-cables & started without joystick - problem
   consists.
   Monitor is a DELL U2412Mc connected with a HDMI-to-DVI cable.

   Best,
   Alex

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  RetroGamesLtd

   Thanks for the response. We will pass this information on and see if we
   can find out why this is happening.

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References

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   1. https://community.thec64.com/