HP E27k User Guide - Page 51

NOTE: Always ensure that the BIOS, device firmware, and monitor firmware are updated to the latest version. Table 3-1 Common issues and solutions Issues Possible cause Solution Screen is blank or video is blinking. Power cord is disconnected. Monitor is off. Connect the power cord. Press the monitor power button. NOTE: If pressing the power button has no effect, press and hold the power button for 10 seconds to disable the Power Button Lockout feature. Video cable is improperly connected. Connect the video cable properly. For more information, see Connecting the cables on page 15. System is in Auto-Sleep Mode. Press any key on the keyboard or move the mouse to inactivate the screen blanking utility. Video card is incompatible. Open the OSD menu and select the Input menu. Set AutoSwitch Input to Off and manually select the input. or Replace the video card or connect the video cable to one of the computer's on-board video sources. Image appears blurred, indistinct, or too dark. Brightness setting is too low. Open the OSD menu, and select Brightness to adjust the brightness scale as needed. "Check Video Cable" is displayed on the screen. Monitor video cable is disconnected. Connect the appropriate video signal cable between the computer and monitor. Be sure that the computer power is off while connecting the video cable. "Input Signal Out of Range" is displayed on screen. Video resolution rate, refresh rate, or both, are set higher than the monitor supports. Change the settings to a supported setting. See Preset display resolutions on page 52. The monitor does not enter into a low-power sleep state. The monitor's power saving control Open the OSD menu and select Power, select Auto-Sleep is disabled. Mode, and then set auto-sleep to On. "OSD Lockout" is displayed. The monitor's OSD Lockout function is enabled. Press and hold the Left button for 10 seconds to disable the OSD Lockout function. "Power Button Lockout" is displayed. The monitor's Power Button Lockout feature is enabled. Press and hold the Power button for 10 seconds to unlock the power button function. Monitor has trouble waking from Sleep mode DisplayPort inputs: Set the DisplayPort hot-plug detection to Always Active. Power mode monitors: Set the hot-plug detection to Always Active to switch the monitor to Performance mode. Slow performance from USB The monitor has a two-lane default for USB-C. On selected products, you can press the Joypad button to open the OSD menu, navigate to the USB Type-C configuration, and then select USB-C Video + USB 3.0 for data transfer prioritization. Lower refresh rate or color bits Select USB-C Video + USB 2.0 for refresh rate/color bits prioritization. LAN connection drop Check if the LAN driver version on the host PC is up to date. Solving common issues 45