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  1. K

    4K/UHD Playback Issues

    I received Criterion's World of Wong Kar-Wai box set over the weekend. The packaging is beautiful, but unfortunately the discs are placed in sleeves that press the disc surfaces to the coated packaging material, which absorbs fingerprint oil and traps dust and other debris. Every single disc...
  2. K

    4K/UHD Playback Issues

    I back-up all of my discs to a server, and if there's a single read error, the back-up will fail. Yes, it has taken 4 or 5 washes for certain discs to successfully back-up, even when they are brand new out of the packaging. Sometimes, if washing fails, I will just wait a week and the disc will...
  3. K

    4K/UHD Playback Issues

    I don't know if there's a right way or a wrong way to do it, but my process is generally as follows: 1. Rinse the disc surface under slow running water. Distilled water is ideal. 2. Add a drop of dish soap to the disc surface. 3. Gently scrub the disc surface with a clean, soft sponge under...
  4. K

    4K/UHD Playback Issues

    It could if the trouble spot is a layer change, and the condensation affects the lens' ability to refocus at the layer change.
  5. K

    4K/UHD Playback Issues

    You're hearing the drive spin up and the laser seek the start of the title. If the disc is authored so that the first "pits" of the main feature aren't physically located near the center of the disc, the laser will need to move quickly to seek and focus on those pits. The seek speed of the...
  6. K

    4K/UHD Playback Issues

    I don't think there's an issue specific to Poltergeist. UHDs are just finnicky. I have experienced similar issues to those reported here on about 10-15% of my UHD collection, and a drop of dish soap and a gentle scrub with warm water usually fixes the issue.
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