KTC M25T8 / 25M5 Mini LED Monitor Help: Setup, Shields, and 260Hz

User manuals

Set up your KTC 25M5 Mini LED monitor (M25T8), attach the light shields, and choose its 1440p high-refresh mode. This guide also covers common display problems.

Quick Answers for the M25T8 / 25M5

The 24.5-inch display has a native 2560 x 1440 resolution.
One DP 1.4 input supports up to 2560 x 1440 @ 260Hz; two HDMI 2.0 inputs support up to 2560 x 1440 @ 144Hz.
The box includes a base, DP cable, power cord, user guide, and two light shields.

How Do I Install the Base and Light Shields?

Turn the monitor off and place it face down on a clean, soft surface. Attach the base to the stand and insert the stand into the rear mounting slot. Check the lock before lifting. Align each light shield with its side slot and press downward gently to secure it. Avoid pressure on the screen and leave ventilation openings clear.

How Do I Set 1440p at Up to 260Hz?

Connect a compatible PC directly to the monitor's DP 1.4 input with a suitable DP cable.
Select DP as the input and set 2560 x 1440 in the PC's display settings.
Select an available refresh rate up to 260Hz.
If the picture becomes unstable, return to 60Hz, then increase the rate gradually.

HDMI 2.0 supports up to 2560 x 1440 @ 144Hz. The source device and cable must also support the chosen setting.

How Do I Use the Menu and Position the Monitor?

Use the monitor control to choose the active input and adjust brightness, gaming assistance, or picture presets. Leave about 10 cm of open space at the sides and back and 30 cm above the display. Keep the monitor on a stable desk, away from heat, moisture, and blocked vents.

What Should I Check Before First Use?

The box includes the monitor, base, power cord, DP signal cable, two light shields, and user guide with warranty card. Check the contents, protect the screen on a soft surface during assembly, and use the supplied power equipment. Test the monitor with one direct signal cable before adding any dock or adapter.

Which Port Should I Use for Gaming?

The M25T8 has one DP 1.4 input supporting up to 2560 x 1440 @ 260Hz and two HDMI 2.0 inputs supporting up to 2560 x 1440 @ 144Hz. Choose DP for 260Hz. Use HDMI when your source has no suitable DP output or a 144Hz mode is sufficient. A source device, cable, or adapter can impose a lower limit even if the monitor supports the mode.

How Do I Clean the M25T8?

Turn it off and disconnect power before cleaning. Wipe the panel gently with a soft, slightly damp cloth. Do not spray cleaner directly onto the screen or press with hard objects. Clear dust from the shields and leave the ventilation openings unobstructed.

Troubleshooting M25T8 Problems

The monitor has no power or picture

Check the outlet and supplied power cord. If the monitor is on, select the input matching the cable, reconnect both ends, and test one direct connection at 1920 x 1080 @ 60Hz.

260Hz is not available

Confirm that the source is connected to the DP 1.4 input, that the PC is set to 2560 x 1440, and that its graphics output and cable support 260Hz. HDMI supports up to 144Hz at 1440p.

The picture is dark, flickering, or distorted

Adjust brightness in the monitor menu for a dark image. For flicker or distortion, reduce the refresh rate, test a direct cable, and compare another source or input if available.