Lenovo 2448HB6 User Manual - Page 21

Table 3-1. Monitor specifications for type-model 2448-HB6(continued) Humidity Operating 10% to 80% Storage 5% to 95% Shipping 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. Table 3-2. Troubleshooting Problem Possible cause Suggested action Reference The words ″Out The system is set v If you are replacing an "Selecting a supported of Range″ are to a display old monitor, reconnect display mode" on page shown on the mode which is it and adjust the 2-6 screen, and the not supported by display mode to within power indicator the monitor. the specified range for is flashing green. your new monitor. v If using a Windows system, restart the system in safe mode, then select a supported display mode for your computer. v If these options do not work, contact the Customer Support Center. The image quality is unnacceptable. 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. "Connecting and turning on your monitor" on page 1-4 The color settings may be incorrect. Select another color setting from the OSD menu. "Adjusting your monitor image" on page 2-3 The automatic image setup function was not performed. Perform automatic image setup. "Adjusting your monitor image" on page 2-3 The power indictator is not lit and there is no image. v The monitor's power switch is not switched on. v The power cord is loose or disconnected. v There is no power at the outlet. v Be sure the power cord "Connecting and turning is connected properly. on your monitor" on v Be sure the outlet has page 1-4 power. v Power on the monitor. v Try using another power cord. v Try using another electrical outlet. 3-2 L1951p Wide Flat Panel Monitor User's Guide