Samsung LH105QMDNC/UE manual 102, Check the followings, Installation issue PC mode, Screen issue

Page 102

Check the followings.

Installation issue (PC mode)

The screen keeps switching on and off.

Check the cable connection between the product and PC, and ensure the connection is secure.

Blank spaces are found on all four sides of the screen when an HDMI or HDMI-DVI cable is connected to the product 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 the graphics card driver to the latest version.

(Please contact the graphics card or computer manufacturer for further details about how to adjust the screen settings.)

PC is shown in Source when a PC is not connected.PC is always shown in Source irrespective of whether or not a PC is connected.

Screen issue

The power LED 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 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's maximum resolution and frequency.

Refer to the Standard Signal Mode Table and set the maximum resolution and frequency according to the product specifications.

The images on the screen look distorted.	Check the cable connection to the product.

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Image 102

Contents QM105D Table of contents Screen Adjustment Sound Adjustment Before Using the Product CopyrightSymbols Safety PrecautionsCleaning Power off the product and computerElectricity and Safety StorageInstallation Install the product in a kitchen or near a kitchen counter Sloped surface, etcProduct or cause a fire Operation Output ports, etc Product failure, an electric shock or fire may resultPage Precautions when handling the panel Checking the Components Remote ControlPreparations ComponentsItems sold separately LAN cable External ambient sensorPanel Key PartsControl Panel Description ButtonsReturn Control menuButtons Description Reverse Side Port DescriptionChange the input source Remote ControlPower on the product Not Available Adjust the volume MagicInfo Player I Launch ButtonTo place batteries in the remote control Using the remote controlQuickly select frequently used functions Connection Using an IR Stereo Cable sold separately Installation on a Perpendicular Wall Tilting Angle and RotationVentilation Plane view DimensionsInstallation on an Indented Wall Model nameInstalling the Wall Mount Installing the Wall MountWall Mount Kit Specifications Vesa Cable Connection Remote Control RS232CPin Signal RS232C CableLAN Cable Pin No Standard Colour SignalRS232C cable Connector 9-Pin D-Sub to Stereo Cable FemaleDirect LAN cable PC to HUB Connector RJ45Signal Cross LAN cable PC to PCConnection ConnectionCommand Viewing control state Get control commandControlling Set control command Command type Value rangePower control Volume controlSetting the input source Set Input Source Input source controlInput Source An input source code to be set on a product Screen mode control Auto adjustment control PC and BNC only PIP On/Off controlVideo Wall Mode Control Safety LockFull Natural WallOn Same as above Nak Video Wall OnSet Video Wall On/Off Set Video Wall10x10 Video Wall Model Off10x10 Video Wall Model 1 ~ Set Number DataConnecting to a PC Connecting and Using a Source DeviceBefore Connecting Connection using the D-SUB cable Analogue typeConnection using a DVI cable Digital type Connection Using an HDMI-DVI CableConnection Using an Hdmi Cable Connection Using an DP CablePrecautions for using DP Connecting to a Video Device Connecting to an Audio System Using an Hdmi cable or Hdmi to DVI Cable up to 1080pConnecting the LAN Cable Attaching the Network box Sold separately Press Source on the remote control, and select MagicInfo Connecting the Network box Sold separatelyEntering MagicInfo mode MagicInfoEnter the IP information Select TCP/IP stepEdit Name Changing the Input sourceSource SourceUsing MDC UninstallationConnecting to MDC Using MDC via RS-232C serial data communications standardsUsing MDC via Ethernet Connection using a direct LAN cableConnection using a cross LAN cable Multi Screen Home featureMulti Screen Home → Multi Screen → Enter EPicture Mode Picture ModeOff Timer On/Off TimerOn Timer On/Off TimerHoliday Management Home → Network Settings→ Enter E Network SettingsNetwork Settings View the network settingsMagicInfo Player MagicInfo PlayerHome → MagicInfo Player I → Enter E Device ID ID SettingsID Settings PC Connection CableHorizontal x Vertical Video WallVideo Wall Video WallScreen Position FormatPicture settings menu appears More settingsMore settings Home → More settings → Enter EPicture Screen AdjustmentMenu m → Picture → Picture Mode → Enter E Backlight 100 Brightness Contrast Sharpness Color Tint G/RPicture Mode Picture Mode settings Adjustable options Menu m → Picture → Enter EWhite Balance Color TemperatureMenu m → Picture → Color Temperature → Enter E Menu m → Picture → White Balance → Enter ECalibrated Value ――If Picture Mode is set to Calibration, Gamma is disabledGamma Menu m → Picture → Calibrated Value → Enter EPicture Options Film Mode Off Auto Motion PlusPicture Options Digital NR Off Hdmi Black LevelDigital NR Film ModeColor Tone Hdmi Black LevelAuto Motion Plus ResetColor Tone Off Digital NR Hdmi Black Level Low Film Mode Dynamic BacklightPicture Size · Zoom/Position ResolutionPicture Size Picture SizeResolution Zoom/PositionPicture Size Auto Adjustment PC Screen AdjustmentResets your current picture mode to its default settings Reset PictureMenu m → Picture → Reset Picture → Enter E Picture OffMulti Screen Reset OnScreen DisplayOnScreen Display OnScreen DisplayPIP Landscape PIP PortraitRestrictions Main picture Sub picturePC, HDMI1, HDMI2, DisplayPort1, DisplayPort2, DisplayPort3 Triple Screen Landscape Triple Screen PortraitFour Screen Landscape Four Screen PortraitRotate Menu Rotate ContentRotation Aspect RatioPixel Shift Available Settings Optimum SettingsScreen Protection Screen ProtectionTimer Timer Off / Repeat / IntervalMessage Display Menu m → OnScreen Display → Menu Language → Enter E Reset OnScreen DisplayMenu Language Set the menu languageSystem SetupInitial settings System SystemTime Sleep TimerPower On Delay Clock SetMagicInfo I Source Primary Source Recovery Auto Source SwitchingAuto Source Switching Primary SourcePC Module Power Power ControlAuto Power On Power ControlNetwork Standby Off Power Button Power ButtonAuto Power On Off PC Module Power Standby ControlEnergy Saving Eco SolutionEco Solution Eco SensorAuto Power Off Temperature ControlNo Signal Power Off Energy Saving Off Eco Sensor Screen Lamp ScheduleChange PIN Menu m → System → Change PIN → Enter EHdmi Hot Plug GeneralSecurity GeneralReset System Menu m → System → Reset System → Enter ESound Adjustment Hdmi SoundSound Sound on Video Call Speaker SelectionReset Sound Menu m → Sound → Reset Sound → Enter ESupport Software UpdateMenu m → Support → Software Update → Enter E Contact SamsungNetwork Settings Picture ModeOn/Off Timer Go to HomeID Settings More settings100 Reset AllMenu m → Support → Reset All → Enter E SupportChecking the Resolution and Frequency Troubleshooting GuideTesting the Product 101Not Optimum Mode is displayed Installation issue PC modeScreen issue 102Adjust Brightness and Contrast 103Sound issue 104Sharpness 105 Volume is too lowThere is audible sound when the volume is muted Video is available but there is no soundRemote control does not work Remote control issueSource device issue 106107 Other issueThere is no sound in Hdmi mode Multi Screen menu is not availableHDMI-CEC does not work This product does not support the HDMI-CEC feature108 IR sensor is not functioning109 SettingsHow can I change the resolution? Question AnswerHow do I set powersaving mode? 110Question Specifications 111112 Max DPM Mode PowerSaverPowerSaver Normal Operation Power saving mode Power off 113Preset Timing Modes 114Model Name QM105D Resolution 115Pixel Clock Sync Polarity KHz MHz 116 117 Product damage caused by customers faultAppendix Not a product defect118 Correct disposal of batteries in this productApplicable in countries with separate collection systems Optimum Picture Quality Optimum Picture Quality and Afterimage Burn-in Prevention119 Prevention of Afterimage Burn-in120 Preventing afterimage burn-inLicence 121Terminology 122

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