Acer PREDATOR X27U User Manual - Page 32

Troubleshooting Before sending your OLED monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. HDMI/DP Mode (Optional) Problem No picture visible LED status Blue Off Remedy Using the OSD menu, adjust brightness and contrast to maximum or reset to their default setting. Check the power switch. Amber Check if the AC power cord is properly connected to the monitor. Check if the video signal cable is properly connected at the back of monitor. Check if the computer system is switched on and in power saving/standby mode. If OSD Lock is On, the LED status set Amber. Note: Acer monitor is purposed for video and visual display of information obtained from electronic devices. Product Information for EU Energy Regulatory Compliance 217186 I.T.E. 21 X27U User Guide English