Acer H277H User Manual - Page 28

English Troubleshooting Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can self-diagnose the problem. VGA/DVI/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 settings. Check the power switch. Check if the AC power cord is properly connected to the monitor. Blinking Blue 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. For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, the Symbol, & DTS and the Symbol together are registered trademarks, and DTS Sound is a trademark of DTS, Inc. © DTS, Inc. All Rights Reserved. 16