Customer Reviews for Samsung - 31.5" UH850 Series UHD Monitor (HDMI)
Customer Rating
1
Internal processor failure - Only usable via PbP
on February 21, 2026
Posted by: Anonymous
from Kragujevac, Serbia
Expertise:Intermediate
The monitor developed serious hardware issues, displaying yellow and purple artifacts across the screen during normal operation. Interestingly, these artifacts are not present in the BIOS, but appear as soon as a high-bandwidth signal (like Windows) is initialized.
The only way to make the monitor usable again was to use the Picture-by-Picture (PbP) mode, effectively splitting the screen into two separate inputs (DisplayPort and HDMI) and then stitching them back together using Nvidia Surround. This bypasses the faulty part of the main internal processor that handles a single 4K stream. While this workaround works, the contrast and colors are inconsistent between the two halves. For a premium Quantum Dot display, this kind of internal failure is unacceptable.