KTC Journal
Monitor reviews, gaming guides, productivity advice, and practical display know-how from the KTC team.
Black screen flashing during a refresh rate change is often a normal signal handshake. If it repeats, it may signal an unstable GPU, cable, driver, or monitor. Get clear troubleshooting steps to fix the instability for a steady picture.
Forcing a higher refresh rate can damage your monitor. While modern screens have safeguards, you risk instability. Get smooth motion safely with VRR and proper tuning.
Lowering refresh rate from 240Hz to 144Hz can fix monitor flickering by reducing signal bandwidth demands. This simple change can solve issues with unstable cables, GPUs, or adaptive-sync.
Mixing refresh rates across multiple monitors is possible but can cause stutter. Get the best settings for a reliable 240Hz and 60Hz setup for gaming or productivity.
A console reverting to 60Hz when a monitor powers off is a common HDMI handshake issue. Get your stable 120Hz gaming back by understanding why it happens and following our clear troubleshooting steps.
A certified display cable is crucial for 4K 120Hz gaming. See how to verify your cable's official certification and fix black screens or flickering at high refresh rates.
Verify your monitor's HDMI 2.1 bandwidth to confirm true 48 Gbps support. Many displays labeled 'HDMI 2.1' don't offer full speed for 4K 120Hz gaming. This guide shows how to test your signal path, check for 4:4:4 chroma, and avoid common pitfalls.
