Samsung FX2490HD User Manual (user Manual) (ver.1.0) (English) - Page 70

5-2 Before Requesting Service Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest Samsung Electronics Service Center. PROBLEMS RELATED TO INSTALLATION (PC MODE) The monitor screen flickers. Check if the signal cable between the computer and the monitor is securely connected and tightened. (Refer to Connecting to a Computer) Blank spaces are found at the top and bottom of the screen when an HDMI or HDMI-DVI cable is connected to the monitor and PC. Blank spaces on the screen are not caused by the monitor. The cause of the problem is the PC or graphics card, and can be fixed by adjusting the screen size in the HDMI or DVI option of the graphics card settings menu. If the graphics card settings menu has no option to adjust the screen size, update the graphics card driver to the latest version. (Please contact the graphics card or computer manufacturer for details on how to adjust the screen settings.) PROBLEMS RELATED TO SCREEN Screen is blank and power indicator is off. message Ensure that the power cord is firmly connected and the product is on. (Refer to Connecting to a Computer) Ensure that the signal cable is firmly connected to the PC or video sources. (Refer to Connecting to a Computer) message Picture rolls vertically. Image is not clear. Picture is blurred. Check the maximum resolution and the frequency of the video adapter. Compare these values with the data in the Standard Signal Mode Table. Check if the signal cable is securely connected.Connect it again securely. (Refer to Connecting to a Computer) Run Frequency and tuning. Turn on again after removing all accessories(video extension cable, etc.) Set resolution and frequency to the recommended ranges. Picture image is unstable and vibrates. Ghost images are shown in the picture. The image is too light or too dark Screen is blank and the power indicator light blinks every 0.5 or 1 seconds The screen is blank and is blinking. Check if the resolution and frequency set for the computer video card falls in the range supported by the monitor. If not, reset them referring to the current under the monitor menu and Standard Signal Mode Table. Adjust the and . (Refer to the , ) The display brightness can differ according to the mode set for . If is set to , the display brightness can differ according to the input signal. The monitor is using its power management system. Press a key on the keyboard. If you see the message on the screen when you press the [MENU] button, check the cable connection between the monitor and the computer to ensure that the connector is properly connected. 5-2 Troubleshooting