Samsung SBB-MBOX User Manual

Also see for SBB-MBOX: Simple User Guide

59Check the followings.Installation issue (PC mode)The screen keeps switching on and off. Check that the cable between the product and the PC is connected correctly.Blank spaces are found on all four sides of the screen whenan HDMI or an HDMI-DVI cable is connected between theproduct and PC.The blank spaces found on the screen have nothing to do with the product.Blank spaces on the screen are caused by the PC or graphics card. To resolve the problem,adjust the screen size in the HDMI or DVI settings for the graphics card.If the graphics card settings menu does not have an option to adjust the screen size, update thegraphics card driver to the latest version.(Please contact the graphics card or computer manufacturer for further details about how toadjust the screen settings.)Screen issueThe power indicator is off. The screen will not switch on. Make sure that the power cord is connected.No Signal is displayed on the screen.Check that the product is connected correctly with a cable.Check that the source device connected to the product is powered on.Not Optimum Mode is displayed.This message is displayed when a signal from the graphics card exceeds the product'smaximum resolution and frequency.Refer to the Standard Signal Mode Table and set the maximum resolution and frequencyaccording to the product specifications.The images on the screen look distorted. Check the cable connection to the product.The screen is not clear. The screen is blurry. Set the resolution and frequency to the recommended level.