BenQ XL2420T / XL2420TX user manual Need more help?

Page 52

No sound can be heard from the connected external speakers.

•Remove your headphone (if the headphone 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.

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If your problems remain after checking this manual, please contact your place of purchase or e-mail us at: Support@BenQ.com.

52 Troubleshooting

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Contents Page Power Safety Care And CleaningCopyright DisclaimerBenQ ecoFACTS Table of Contents Getting started CD-ROMOptional accessory USB CableVideo Cable D-Sub Video Cable DVI-D Dual LinkFront view Getting to know your monitorBack view Getting to know your monitor How to assemble your monitor hardware Attach the monitor base+20 Connect the PC video cable Connect the headphones Connect USB devicesConnect the power cable to the monitor Connect the S Switch to the monitorOrganize the cables Connect-to and turn-on the power How to assemble your monitor hardware How to detach the stand and the base Prepare the monitor and areaRemove the monitor stand Remove the monitor baseHow to assemble your monitor hardware Adjusting the monitor height Rotating the monitor Pivot the displayFully extend the monitor and tilt it Rotate the monitor 90 degrees clockwise as IllustratedViewing angle adjustment Adjust the monitor to the desired viewing angleUsing the monitor wall mounting kit Remove the screws on the back coverGetting the most from your BenQ monitor How to install the monitor on a new computer Click Finish Restart the computerHow to upgrade the monitor on an existing computer How to install on Windows 7 system How to install on Windows Vista systems Click the Monitor tab and the Properties buttonHow to watch 3D content on your monitor System requirementsSafety information for watching 3D content How to adjust your monitor Control panelGamer 2 Press to switch to Gamer 2 Picture Mode Button S SwitchGamer 3 Press to switch to Gamer 3 Picture Mode Button Basic menu operation By default, the key is the hot key for Display Mode To change the default settings, see CustomizingFor Down/Decrease adjustment By default, the key is the hot key for Smart ScalingPicture optimization Setting up your own game modeCustomizing the hot keys Downloading more game modes using Game Mode Loader Adjusting display modeUsing Smart Scaling Using Instant ModeAdjust the value You can resize your display by Smart ScalingNavigating the main menu Adjusts the vertical position of the screen image Adjusts the horizontal position of the screen imageDisplay menu Phase Adjusts the brightness during 3D playback During 3D Adjusts the degree of difference between darkness LightnessPicture menu During 3D PlaybackAdjusts the tone luminance. The default value is 3 Viewed with natural coloring. This is Factory default colorAdjusts the degree of how we perceive colors Adjusts the purity degree of colorsPicture Advanced menu Applies customized display settings Mode from Picture Mode. The screen will be divided intoThis feature is provided to allow aspect ratios other than Resolution without scalingAdjusts the display size to best suit your needs Detected video signalSelects an appropriate format to play 3D content Determines the color space RGB or YUV based onAdjusts the horizontal position Highlight area Adjusts the vertical position of the highlight AreaDetermines the size of the highlight area Scales the highlight areaSave Settings menu Function RangeAdjusts the audio volume Audio menuMutes the audio input Turns the tone of control keys on or offUse this to change the input to that appropriate to your System menuVideo cable connection type Adjusts the display time of the OSD menu Sets the OSD menu languageSets the function to be accessed by custom key Displays the current monitor property settings Resets all mode, color and geometry settings to the factoryDefault values Best withTroubleshooting Frequently asked questions FAQTroubleshooting Need more help?