KTC Journal
Monitor reviews, gaming guides, productivity advice, and practical display know-how from the KTC team.
A console 'No Signal' at 120Hz error is often a bandwidth issue. This guide shows you how to troubleshoot your HDMI cable, port, VRR, and HDR settings to fix the black screen.
Running two 4K 60Hz monitors from one HDMI port is possible, but a splitter only mirrors your display. Get the facts on when a splitter works and what you need for a true dual-monitor extended desktop, like a dock or USB-C adapter.
Daisy-chaining HDMI monitors is not natively supported. While splitters mirror screens, true extended desktops require DisplayPort MST or Thunderbolt for monitor-to-monitor connections.
A 4K 120Hz signal failure often points to an HDMI cable that can't handle the bandwidth. While it works at 60Hz, the higher refresh rate needs a certified Ultra High Speed cable for a stable connection.
An HDMI 2.1 monitor stuck at 4K 60Hz often has a signal chain bottleneck. Get the steps to check your GPU, cable, OSD, and Windows settings to enable 4K 120Hz or 144Hz.
A monitor dropping to 8-bit color at 4K 120Hz is a common HDMI bandwidth issue. See how to fix it by checking your GPU, cable, and settings, or using DisplayPort for best results.
4K 60Hz signal issues like sparkles or blackouts often stem from bandwidth limits, not a bad display. This guide shows how to diagnose weak cables, ports, or settings.
