Samsung 720N manual Check List, Symptom, Can you see Check Signal Cable on the screen?, Solutions

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Check List

Before calling for service, check the information in this section to see if you can remedy any problems yourself. If you do need assistance, please call the phone number on the Information section or contact your dealer.

Symptom

No images on the screen. I cannot turn on the monitor.

Check List

Is the power cord connected properly?

Can you see "Check Signal Cable" on the screen?

If the power is on, reboot the computer to see the initial screen (the login screen), which can be seen.

Can you see "Not Optimum

Mode","Recommanded Mode 1280 x 1024 60 Hz" on the screen?

Solutions

Check the power cord connection and supply.

Check the signal cable connection.

If the initial screen (the login screen) appears, boot the computer in the applicable mode (the safe mode for Windows ME/XP/2000) and then change the frequency of the video card.

(Refer to the Preset Timing Modes)

Note: If the initial screen (the login screen) does not appear, contact the Service Center or your dealer.

You can see this message when the signal from the video card exceeds the maximum resolution and frequency that the monitor can handle properly.

Adjust the maximum resolution and frequency that the monitor can handle properly.

If the display exceeds SXGA or 75 Hz, a "Not Optimum

Mode","Recommanded Mode 1280 x 1024 60 Hz" message is displayed. If the display exceeds 85Hz, the display will work properly but the "Not Optimum

Mode","Recommanded Mode 1280 x 1024 60 Hz" message appears for one minute and then disappears.

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Contents SyncMaster 720N Notational PowerDo not disconnect the power cord while using the monitor Insert the power plug firmly so that it does not come looseDo not use a damaged or loose plug Use only a properly grounded plug and receptacleDo not drop the monitor when moving it InstallationKeep any heating devices away from the power cable Do not place the product on the floorSet down the monitor carefully CleanDo not place the monitor face down Keep the plastic packaging bag out of children’s reachDo not remove cover or back OthersNever insert anything metallic into the monitor openings Do not cover the vents on the monitor cabinetFalling product could cause physical damage even death Page Unpacking Cable Sub Cable Power CordMonitor Driver Natural Color softwareCustom FrontRear For using a locking device, contact where you purchase itMonitor Assembly Attaching a Base Click Windows ME Driver Windows MEWindows XP/2000 Click Windows XP/2000 DriverMicrosoft Windows XP Operating System Installing the Monitor Driver ManualPage How to install Linux Operating System Click Start , Setting , Control PanelMicrosoft Windows NT Operating System Natural Color Software Program How to install the Natural Color softwareAuto Description MenuMagicBright Menu DescriptionPicture BrightnessDescriptionPlay/Stop Brightness ContrastColor Menu Description Play/StopGamma Color Tone Color ControlImage Coarse Fine Sharpness PositionLanguage Position Transparency Display Time Position displayOSD Information SetupImage Reset Color Reset Shows a video source, display mode on the OSD screen Can you see Check Signal Cable on the screen? SymptomSolutions Check ListThere is no image on the screen Control Panel → Display → SettingsAnswer Self-Test Feature CheckQuestion Useful Tips Input Signal, Terminated ResolutionPower Supply Signal CableState Normal Operation Power saving mode Power Switch off Dimensions WxDxH/ Weight Simple StandVesa Mounting Interface Environmental considerationsPixel Clock Sync Polarity Display Mode Frequency MHz KHz Preset Timing ModesHorizontal Horizontal FrequencyNorth America Contact Samsung WORLD-WIDELatin America EuropeMiddle East & Africa Asia PacificFor Better Display TermsClass B AuthorityPage What is Image retention ? WarrantyPower Off, Screen Saver, or Power Save Mode Suggestions for specific applications
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720N specifications

The Samsung 720N is a versatile and advanced smartphone that has captured the attention of tech enthusiasts and everyday users alike. Launched as part of Samsung's series of high-performance devices, the 720N stands out with its impressive specifications and innovative features that enhance user experience.

One of the key highlights of the Samsung 720N is its stunning display. Featuring a 6.5-inch Super AMOLED screen, it delivers vibrant colors and deep contrasts, making it perfect for streaming videos, playing games, or browsing photos. The display's FHD+ (1080 x 2400) resolution ensures that every detail stands out, providing an immersive experience for users.

Under the hood, the Samsung 720N is powered by a capable processor, ensuring smooth multitasking and efficient performance. With up to 8GB of RAM, users can seamlessly switch between apps, allowing for an uninterrupted workflow. The device comes with multiple storage options, up to 128GB, expandable via a microSD card, catering to users who need extra space for their files, photos, and apps.

Camera capabilities are also a major attraction of the Samsung 720N. The device boasts a triple-camera system on the rear, featuring a 64MP main sensor that captures high-resolution images with stunning clarity. Additionally, it includes a 12MP ultra-wide lens for capturing expansive landscapes and a 5MP depth sensor for professional-quality portrait shots. The front-facing 32MP camera ensures that selfies are crisp and vibrant, making it a great choice for social media enthusiasts.

In terms of connectivity, the Samsung 720N supports 5G technology, allowing users to experience faster download and streaming speeds. With Wi-Fi 6 support and Bluetooth 5.0, the device offers enhanced connectivity options, making it easier to connect with other devices and networks.

Battery life is another strong suit of the Samsung 720N. Equipped with a robust 4500mAh battery, it offers all-day usage, ensuring that users can stay connected without worrying about running out of power. The device also supports fast charging, allowing users to quickly recharge their phone when needed.

Additionally, the Samsung 720N runs on the latest version of Samsung's One UI, built on Android, which provides a user-friendly interface and a host of customization options. Security features such as an in-display fingerprint sensor ensure that user data remains protected.

Overall, the Samsung 720N impresses with its blend of performance, camera quality, and modern technology, making it a compelling choice for anyone in the market for a new smartphone.
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