84Troubleshooting (Advanced)Image colors are not reproduced as expected when displaying photographs orother imagesz We recommend disabling the [Intel video driver power saving function (Intel ® Display Power Saving Technology)].(Î page 31)Nothing appears on the external display, or the display is not correctz Check that the external display cables are correctly connected.z Check that the external display is turned on.z Check that the external display settings are correct.z When an external display not compatible with the power-saving mode is used with the computer, the display may not func-tion correctly when the computer enters the power-saving mode. In this case, turn on the external display again.However, in the case of some external displays, the screen display may be distorted or the mouse cursor may not be prop-erly displayed depending on the settings. In this case, try setting the number of colors, screen area (resolution), andrefresh rate to smaller values.The sidebar gadgets are not correctly displayedz Log off and log on Windows again.Takes long time to display the [Power Option] screenz Perform the following steps to confirm whether the number of Panasonic Power Management configurations created whenusing Power Saving Utility has reached 100 or more.A Click or on the notification area, and click [More power options].B Click [Show additional plans].z When more than one power plan is displayed, click [Change plan settings] for the power plan you want to delete and click[Delete this plan].