GL2450HMの取扱説明書・マニュアル [全47ページ 3.15MB]
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47 TroubleshootingNeed more help?If your problems remain after checking this ma nual, please contact your place of purchase or e-mail us at: Support@BenQ.com.Is the prompt on the display illuminated in orange?If the LED is illuminated in orange, the power management mo de is active. Press any button on the computer keyboard or move the mouse. If that does not help, check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.Is the prompt on the display not illuminated at all?Check the power supply mains socket, the ex ternal power supply and the mains switch.The image is distorted, flashes or flickers:Read the instructions on the link "Adjusti ng the Screen Resolution" on the CD, and then select the correct resolution, refresh rate and make adjustments based on these instructions.You are running the monitor at its native resolution, but the image is still distorted.Images from different input sources may appe ar distorted or stretched on the monitor running at its native resolution. To have the op timal display performance of each type of input sources, you can use the "Displ ay Mode" function to set a proper aspect ratio for the input sources. See Display Mode on page 32 for details.The image is displaced in one direction:Read the instructions on the link "Adjusting the Screen Resolution" on the CD, and then select the correct resolution, refresh rate and make adjustments based on these instructions.The OSD controls are inaccessible:* To unlock the OSD controls when the OSD is preset to be locked , press and hold the "MENU" key for 15 seconds to enter the "OSD Lock" option and make changes. * Alternatively, you may use the or keys to select "NO" in the "OSD Lock" submenu from the "OSD Settings" menu (under SYSTEM ), and all OSD controls will be accessible.No sound can be heard from the built-in sp eakers (for models with speakers only):* Check whether Line In is properly connected.* Increase the volume (volume may be muted or too low).* Remove your headphone and/or external speakers. (If they are connected to the monitor, the built-in speakers are automatically muted.)No sound can be heard from the connected exte rnal speakers (for models with speakers only):* Remove your headphone (if the head phone is connected to the monitor).* Check whether the headphone jack is properly connected.* If the external speakers are USB-powered, check whether the USB connection is OK.* Increase the volume (volume may be muted or too low) on the external speakers.
