The Ultimate Guide to the SSIS835 4K Fix: Resolving Display and Resolution Issues If you are experiencing issues with your Go to product viewer dialog for this item.

As an absolute last resort, if remuxing fails, you can use a video conversion tool like to re-encode the video to a more universally compatible format (e.g., from HEVC to H.264). Be warned: this is a very time-consuming process for a 4K file and will result in a noticeable drop in video quality.

If you get a "Missing Codec" error or only hear audio with a black screen, this is the step for you.

-- In SQL Server, increase the column size: ALTER TABLE DestinationTable ALTER COLUMN LargeColumn NVARCHAR(MAX); // In a Script Task (C#), use string truncation logic: public override void Input0_ProcessInputRow(Input0Buffer Row) Row.LargeColumn = Row.OriginColumn.Substring(0, Math.Min(255, Row.OriginColumn.Length));

Re-import your cleaned footage and use the model for the actual upscale.

: Use this paired with MadVR . MadVR is an advanced video renderer that provides the best upscaling and HDR-to-SDR mapping for 4K content.

Outdated firmware can often cause issues with the SSIS 835 4K TV box. To update your firmware, follow these steps:

Go to Tools > Preferences . At the bottom left, check the radial circle for All settings. Navigate to Input / Codecs . Scroll down to the Advanced section and locate File caching (ms) . Increase this value from the default 300 to 2000 or 3000 (3 seconds of pre-loading). Alternative Solutions: Re-muxing and Transcoding

Look for "DisplayPort Version" or "HDMI Mode." Ensure it is set to the highest version available (e.g., DP 1.4 or HDMI 2.0).

When you try to play the raw ssis835 file without a proper fix, you typically see:

You are not alone. After spending three days debugging this on an HTPC, an NVIDIA Shield, and a Sony X90J, here is the definitive guide.

Locate (Default is 10MB). Increase this value to 20MB (20971520 bytes) or 50MB (52428800 bytes) depending on available system RAM. Higher buffer sizes prevent the engine from splitting 4K-dense rows awkwardly across buffers.