Lenovo 2578HB6 User Manual - Page 24

Table 3-1. Monitor specifications for type-model Humidity Operating Storage Shipping (continued) 10% to 80% 5%° to 95% 5% to 95% Troubleshooting If you have a problem setting up or using your monitor, you might be able to solve it yourself. Before calling your dealer or Lenovo, try the suggested actions that are appropriate to your problem. Table3-2.Troubleshooting Problem Possible cause Suggested action The words" Out of Range" are shown on the screen, and the power indicator is flashing green. The system is set to a display mode which is not supported by the monitor. ● If you are replacing an old monitor, reconnect it and adjust the display mode to within the specified range for your new monitor. ● If using a Windows system, restart the system in safe mode, then select a supported display mode for your computer. ● If these options do not work, contact the Customer Support Center. Reference "Selecting a supported display mode" on page 2-6 The image quality is unacceptable. The video signal cable is not connected with the monitor or system completely. Be sure the signal cable is firmly plugged into the system and monitor. The color settings may be incorrect. Select another color setting from the OSD menu. The automatic image setup function was not performed. Perform automatic image setup. "Connecting and turning on your monitor" on page 1-4 "Adjusting your monitor image" on page 2-3 "Adjusting your monitor image" on page 2-3 The power ● The monitor's indictator is not power switch lit and there is no is not image. switched on. ● The power cord is loose or disconnected. ● There is no power at the outlet. ● Be sure the power cord is connected properly. ● Be sure the outlet has power. ● Power on the monitor. ● Try using another power cord. ● Try using another electrical outlet. "Connecting and turning on your monitor" on page 1-4 3-2 L2251x Wide Flat Panel Monitor User's Guide