HP E24m Maintenance and Service Guide - Page 28

Image appears blurred, indistinct, or too dark. Check Video Cable is displayed on screen. Brightness is too low. Monitor video cable is disconnected. Input Signal Out of Range is displayed on screen. The monitor does not enter into a low-power sleep state. "OSD Lockout" is displayed Video resolution and/or refresh rate are set higher than what the monitor supports. The monitor's power saving control is disabled. The monitor's OSD lock function is enabled. Power Button is The monitor's Power Button Lockout function is Locked is enabled. Displayed computer's on-board video sources. Open the OSD menu and select Brightness to adjust the brightness scale as needed. Connect the appropriate video signal cable between the computer and monitor. Be sure that the computer power is off while you connect the video cable. Change the settings to a supported setting. Open the OSD menu and select Power, select AutoSleep Mode, and then set auto-sleep to On. Press and hold the Menu button for 10 seconds to disable the OSD Lockout function. Press and hold the Power button for 10 seconds to unlock the power button function. 26