HP E27d User Guide - Page 37
Support and troubleshooting, Solving common issues
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3 Support and troubleshooting Solving common issues The following table lists possible issues, the possible cause of each issue, and the recommended solutions. Table 3-1 Common issues and solutions Issue Possible cause Solution Screen is blank or video is flashing. Power cord is disconnected. Connect the monitor power cord. Monitor is off. Press the monitor power button. Video cable is improperly connected. Connect the video cable properly. For more information, see Connecting the cables on page 9. 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 onboard video sources. Image appears too dark. Brightness setting is too low. Open the OSD menu and select Brightness to adjust the brightness scale as needed. "Input Signal Not Found" 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 when connecting the video cable. "Input Signal Out of Range" is Video resolution and/or refresh rate displayed on the screen. are set higher than the monitor supports. Change the settings to a supported setting. See Preset display resolutions on page 35 for more information. The monitor does not enter The monitor's power saving control is Open the OSD menu and select Power, select Auto-Sleep into a low-power sleep state. disabled. Mode, and then set auto-sleep to On. The monitor's camera does not work when you use Windows Hello. The monitor camera is not set as the Configure the monitor camera. For more information, see default. Using the camera on page 23. The power light is off. The docking monitor is not connected Connect the power cord to the docking station and to an AC to AC power. outlet. The ports or jacks on the The docking monitor is not connected Connect the power cord to the docking station and to an AC docking station do not work. to AC power. outlet. The docking monitor is not connected Disconnect the USB cable from the computer, and then to the computer correctly. reconnect it. Disconnect the USB cable from the computer, and then reconnect it. The USB device attached to the port is not compliant with the docking monitor power specifications and is using too much power. Disconnect the device that disabled the port. Disconnect the power cord from the docking monitor, and then reconnect it. Solving common issues 29