BenQ RL2450HT user manual Troubleshooting, Frequently asked questions FAQ

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Troubleshooting

Frequently asked questions (FAQ)

The image has a faulty coloration.

•The default Picture Mode is RTS, which is designed for RTS games. If you prefer other picture modes, go to Picture Advanced and change setting in Picture Mode.

•If the image has a yellow, blue or pink appearance, go to Picture and Reset Color, and then choose YES to reset the color settings to the factory defaults.

If the image is still not correct and the OSD also has faulty coloration, this means one of the three primary colors is missing in the signal input. Now check the signal cable connectors. If any pin is bent or broken off, please contact your dealer to get necessary support.

The image is blurred.

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.

How do you use a VGA extension cable?

Remove the extension cable for the test. Is the image now in focus? If not, optimize the image by working through the instructions in the "Adjusting the refresh rate" section on the link "Adjusting the Screen Resolution". It is normal for blurring to occur due to conduction losses in extension cables. You can minimize these losses by using an extension cable with better conduction quality or with a built-in booster.

Does the blurring only occur at resolutions lower than the native (maximum) resolution?

Read the instructions on the link "Adjusting the Screen Resolution" on the CD. Select the native resolution.

Pixel errors can be seen.

One of several pixels is permanently black, one or more pixels are permanently white, one or more pixels are permanently red, green, blue or another color.

•Clean the LCD screen.

•Cycle power on-off.

•These are pixels that are permanently on or off and is a natural defect that occurs in LCD technology.

No image can be seen.

Is the prompt on the display illuminated in green?

If the LED is illuminated in green and there is a message Out of Range on the screen, this means you are using a display mode that this monitor does not support, please change the setting to one of the supported mode. Please read the “Preset display modes” section from the link "Adjusting the Screen Resolution".

44 Troubleshooting

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Contents Page Power Safety Care And CleaningCopyright DisclaimerBenQ ecoFACTS Table of Contents Getting started Quick Start GuideCD-ROM Control buttons Power button Getting to know your monitorFront view Back viewHow to assemble your monitor hardware RL2450H Attach the monitor baseConnect the PC video cable ~ +15Connect the headphones Connect the power cable to the monitorConnect-to and turn-on the power Remove the monitor stand How to detach the stand basePrepare the monitor and area Using the monitor wall mounting kit PrecautionsHow to attach the monitor base +15 How to detach the base 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 Getting the most from your BenQ monitor RL2450H RL2450H /RL2450HT How to install the monitor on a new computerClick Finish Restart the computer How to upgrade the monitor on an existing computer Click Close How to install on Windows 7 systemSelect Properties from the menu Click the Hardware tab How to install on Windows Vista systems Click the Monitor tab and the Properties buttonHow to adjust your monitor Control panelBasic 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 ScalingCustomizing the hot keys Setting up your own game modePicture optimization Adjusting display mode Using Smart ScalingAdjust the value You can resize your display by Smart ScalingNavigating the main menu Display menu Adjusts the horizontal position of the screen imageAdjusts the vertical position of the screen image Phase Adjusts the balance between light and dark shades Adjusts the degree of difference between darkness LightnessPicture menu Brings out the dark shades by increasing the brightnessAdjusts the tone luminance. The default value is 3 With natural coloring. This is the 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 into twoThis feature is provided to allow aspect ratios other than Displays the input image in its native resolutionAdjusts the display size to best suit your needs Detected video signalThis feature provides a highlight area to focus on certain Content, e.g. a YouTube video or an online gameSave Settings menu Function RangeMutes the audio input Adjusts the audio volumeAudio menu Video cable connection type System menuUse this to change the input to that appropriate to your 日本語 Sets the time to power off the monitor automatically Power saving modeWhen this function is activated, Hdmi port will be Displays the current monitor property settingsTroubleshooting Frequently asked questions FAQNeed more help?