What to do if my Asus ST558 has no picture?
If your Asus monitor displays no picture, verify the following: Ensure the display and the signal source device are turned on, and that all cable connections are secure. Also, check that the computer, DVD, or Blu-ray disc player's output resolution is supported by the monitor. Refer to "Supported input signal resolution" on page 48 to select a supported resolution and try again.
How to fix no sound on Asus ST558?
If there is no sound on your Asus monitor, make sure that the mute function is turned off on both the display and the input source device, or increase the audio volume. Also, check that all cable connections are firmly connected.
What to do if the computer image on my Asus ST558 looks strange?
If the computer input image on your Asus monitor looks strange, ensure that you have selected a supported output resolution on your computer. If the issue persists, use the Auto Adjustment function (Refer to "Adjust Screen" on page 41) to automatically optimize the display. If the result is still unsatisfactory, manually adjust the image using the Clock Frequency, Phase, H. Position, and V. Position functions.
Why is my Asus ST558's remote control not working?
If the remote control for your Asus monitor isn't working, first ensure that the remote control function hasn't been locked. Then, check the battery orientation and replace dead batteries if needed. Make sure you are within the correct distance and angle from the display, and that there are no obstructions between the remote control and the display’s sensor. Also, ensure the sensor isn't under strong lighting or direct sunlight. Finally, check for nearby devices transmitting infrared signals that may be causing interference; if found, turn off their infrared function.
General| Panel Type | IPS |
|---|---|
| Resolution | 3840 x 2160 (4K UHD) |
| Response Time | 5ms (GTG) |
| Refresh Rate | 60Hz |
| Viewing Angle | 178°(H)/178°(V) |
| Color Gamut | 100% sRGB |
| Connectivity | DisplayPort, HDMI |
| Contrast Ratio | 1000:1 |
| Ports | 1 x DisplayPort 1.2, 2 x HDMI 2.0 |
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