Acer PREDATOR X34 OLED User Manual - Page 37

English 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) Problems No Picture Current Status Blue LED OFF Remedy Using OSD, adjust brightness and contrast to maximum or reset to their default settings. Check if signal cable is properly connected, which can be determined by plugging and unplugging the cable. Check if the PC is functioning properly or in the Hibernate mode. To wake the PC from Sleep mode, you can click the mouse or tap any key on the keyboard. Check the power switch. Check if AC power cord is properly connected to the monitor. Recycling Information for the United States of America Acer encourages information technology (IT) equipment owners to responsibly recycle their equipment when it is no longer needed. Acer offers programs and services to assist equipment owners with this process. For more information on recycling IT equipment, please go to: https://www.acer.com/ac/en/US/content/recycling Product Information for EU Energy Label 23