Check power first
Confirm the adapter, power cable, outlet, and monitor power key are working normally.
Monitor setup help
KTC Monitor Setup and Support Guide
Use this page to choose the right support path when you are setting up a KTC monitor, checking display connection settings, adjusting refresh rate or resolution, using USB-C or audio, or preparing details for support.
Start here before choosing a guide
These quick checks cover the usual setup path and help you choose the most useful detailed guide below.
Use one direct cable
For first setup, connect HDMI, DP, or USB-C directly before adding docks, hubs, adapters, or extensions.
Select the matching input
Open the monitor input menu and choose the same port your cable is using.
Start with a safe display setting
Use 1920 x 1080 at 60Hz first, then raise resolution or refresh rate after the picture is stable.
Check the source device
Review Windows, macOS, console, or graphics-card settings before changing advanced monitor options.
Keep model details ready
If you contact support, include the model, order number, serial number, photos, video, and steps already tried.
Choose a monitor setup path
Browse the full monitor support directory. Each category points to a focused guide with more detailed steps.
Connection & Signal Issues
Use this category when the monitor is not detected, shows no signal, or fails through a cable, dock, adapter, laptop, or MacBook.
No signal
HDMI not working
DisplayPort not working
USB-C display not working
Laptop not detecting monitor
MacBook connection issue
Wrong input source
Open connection guide
Refresh Rate & Resolution
Use this category when the monitor is stuck at 60Hz, cannot use high refresh rate, or shows the wrong resolution.
Stuck at 60Hz
Cannot enable 144Hz
Cannot enable 165Hz
Cannot enable 240Hz
Wrong resolution
2K or 4K not showing
Cable bandwidth limit
Open refresh rate guide
Power & Black Screen
Use this category when the monitor will not turn on, has no display, or stays black even when power seems connected.
Monitor will not turn on
Power light is off
Black screen with power light on
Sleep or wake issue
Power adapter issue
Power cable issue
Open power guide
Picture Quality & HDR
Use this category when the image looks wrong, blurry, stretched, too dim, too bright, or HDR does not look correct.
HDR looks washed out
Blurry image
Stretched picture
Dim screen
Colors look wrong
Brightness or contrast issue
Reset picture settings
Open picture quality guide
USB-C, USB Hub & KVM
Use this category for one-cable USB-C setups, USB hub behavior, charging, KVM switching, PIP, or PBP questions.
USB-C one-cable setup not working
USB-C charging issue
USB hub not working
Keyboard or mouse not switching
KVM setup issue
PIP setup issue
PBP setup issue
Open USB-C and KVM guide
Audio Issues
Use this category when there is no sound from HDMI, DisplayPort, built-in speakers, headphones, or the selected audio output.
No sound
HDMI audio not working
DisplayPort audio not working
Built-in speaker issue
Headphone output issue
Windows audio output setting
macOS audio output setting
Open audio guide
Gaming Features
Use this category for FreeSync, G-Sync Compatible, VRR, Overdrive, MPRT, response time, or console refresh rate setup.
FreeSync setup
G-Sync Compatible setup
VRR issue
Overdrive setting
MPRT setting
PS5 120Hz
Xbox 120Hz
Open gaming features guide
Screen Defects & Artifacts
Use this category when the screen shows pixel defects, flicker, lines, snow, ghosting, backlight bleed, or similar artifacts.
Dead pixel
Bright pixel
Dark pixel
Backlight bleed
Flickering
Lines on screen
Ghosting
Burn-in concern
Open display issues guide
Stand & VESA Setup
Use this category for monitor stand installation, removal, VESA size, monitor arms, screws, and ergonomic adjustments.
Install monitor stand
Remove stand
VESA size
Monitor arm setup
Missing screws
Tilt adjustment
Height, swivel, or rotation
Open stand and VESA guide
No matching issue found. Try another keyword or contact support.
Monitor setup FAQ
Use these answers when you are not sure which support path to open first.
What should I check first when a monitor setup needs attention?
Start with power, one direct cable, the matching input source, and a safe display setting such as 1920 x 1080 at 60Hz. These checks separate basic setup questions from model-specific or device-specific settings.
How do I know which guide to open?
Choose the category that matches what you are trying to set up or confirm. Use Connection & Signal for cable and input questions, Refresh Rate & Resolution for display modes, Audio for sound output, and Stand & VESA for physical setup.
Still need help?
Contact support with your model, serial number, photos, video, and the steps you already tried.
Contact supportFind manuals and downloads
Go to model-specific pages for user manuals, setup notes, PDFs, and related resources.
Open manuals