Acer B276HUL User Manual - Page 28
User controls, VGA mode, DVI/HDMI mode, DP mode - daisy chain two monitors
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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. DVI/HDMI mode Problem No picture visible LED status Blue Off Remedy Using the OSD, adjust brightness and contrast to maximum or reset to their default settings. 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 that the computer system is switched on and in power saving/ standby mode. DP mode Problem No picture visible LED status Blue Off Remedy Using the OSD, adjust brightness and contrast to maximum or reset to their default settings. 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 that the computer system is switched on and in power saving/ standby mode. DP daisy chain and repeat functions DisplayPort bandwidth limitations mean that two monitors (at 2560 x 1440 resolution) or four monitors (at 1920 x 1080 resolution) are supported in a daisy chain. Daisy chain function only works with DP signal.