Acer CM3271K User Manual - Page 33
Troubleshooting, HDMI/DP Mode Optional
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Troubleshooting Before sending your LCD 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 Amber Off Blinking amber Remedy Using the OSD menu, adjust brightness and contrast to maximum or reset to their default setting. Check the power switch. 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. OSD Locked: If OSD Lock is on, the LED status set Blinking amber . Note: Acer monitor is purposed for video and visual display of information obtained from electronic devices. Regulatory Compliance CM3271K User Guide English 217186 60950-1 22