There is no image on the screen.

Is the power indicator on the monitor blinking at 1 second intervals?

Please change to the recommended mode during this one-minute period.

(The message is displayed again if the system is rebooted.)

The monitor is in PowerSaver mode.

press any key on the keyboard to activate the monitor and restore the image on the screen.

The screen shows strange colors or just black and white.

Is the screen displaying only one color as if looking at the screen through a cellophane paper?

Have the screen colors become strange after running a program or due to a crash between applications?

Check the signal cable connection. Make sure the video card is fully inserted in it's slot.

Reboot the computer.

The screen suddenly has become unbalanced.

Has the video card been set properly?

Have you changed the video card or the driver?

Have you adjusted the resolution or frequency to the monitor?

Set the video card by referring to the video card manual.

Adjust screen image position and size using the OSD.

Adjust the resolution and frequency at the video card.

(Refer to the Preset Timing Modes).

The screen can be unbalanced due to the cycle of the video card signals. Readjust position by referring to the OSD.

The screen is out of focus or OSD cannot be adjusted.

LED is blinking but no images on the screen.

There are only 16 colors shown on the screen.

The screen colors have changed after

Have you adjusted the resolution or frequency on the monitor?

Is the frequency properly adjusted when checking the Display Timing on the menu?

Have the Windows colors been set properly?

Adjust the resolution and frequency of the video card.

(Refer to the Preset Timing Modes).

Adjust the frequency properly by referring to the video card manual and the Preset Timing Modes.

(The maximum frequency per resolution may differ from product to product.)

Windows ME/2000/XP:

Set the colors properly at the

Control Panel → Display → Settings.

changing the video card.

There is a message that reads "Unrecognized monitor, Plug & Play (VESA DDC) monitor found".

Has the video card been set properly?

Have you installed the monitor driver?

See the video card manual to see if the Plug & Play (VESA DDC) function can be supported.

Set the video card by referring to the video card manual.

Install the monitor driver according to the Driver Installation Instructions.

Install the monitor driver according to the Driver Installation Instructions.

Check the following items if there is trouble with the monitor.

1.Check if the power cord and the video cables are properly connected to the computer.

2.Check if the computer beeps more than 3 times when booting.

(If it does, request an after-service for the main board of the computer.)

3.If you installed a new video card or if you assembled the PC, check if the installed the adapter (video) driver and the monitor driver.

4.Check if the scanning ratio of the video screen is set at 56 Hz ~ 75 Hz. (Do not exceed 75 Hz when using the maximum resolution.)

5.If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode, remove the Display Adapter at the "Control Panel→System→Device Administrator" and then reboot the computer to reinstall the adapter (video) driver.

Page 29 Page 31
Page 30
Image 30
Samsung 720N manual There is no image on the screen, Control Panel → Display → Settings
Page 29 Page 31

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.
Top Page Image Contents