may be affected by the location of the computer. In addition, close distances (less than 5m) between wireless equipment, especially an AP, may result in poor wireless communication quality.

A5 Check that the wireless LAN card is recognized by the computer.

The current wireless network card driver not exist. Cannot communicate’ message appears in the notification area, when the card has not been properly recognized. This may occur due to an improperly installed driver, or a wireless LAN card error. Please reinstall the driver.

Checking the AP settings

For procedures to configure the AP settings, refer to the User Guide supplied with the AP.

A6 Check that the environment is appropriate for using a wireless LAN. Connecting to a wireless LAN may be affected by the environment and the distance from an AP. Obstacles such as walls and doors affect the communications quality of a wireless LAN. Please install an AP in a high and unobstructed location away from other radio sources.

A7 Check that the AP is operating properly.

If the AP is not operating properly, turn it off and then turn it on again after a short pause. Check that the latest firmware version of the AP is installed. (For detailed information on the firmware of the AP, ask your AP manufacturer or product provider)

A8 Check that the AP is properly connected to the network.

Connect the network cable from the AP to the computer and check that the cable network is operating properly.

A9 Check that the network key (encryption key) is configured correctly.

If data communication is not available, even though the wireless connection is normal when the Automatic password converting function (Passphrase function) is selected, enter the network key manually (encryption key).

A10 Check the settings of the AP as follows.

-When there are a number of AP’s, check the channel configuration of the AP’s. Using adjacent channels for neighboring AP’s may cause radio interference. Configure the AP’s and avoid adjacent channels. (e.g. use Ch1, Ch5, Ch9 and

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Samsung NP28PRKY02/SEF, NP28PRR003/SEF, NP28PRL002/SEF, NP28DP084D/SEF, NP28PRL003/SEF, NP28PRKY03/SEF, NP28PRRY04/SEF manual

NP28DP0829/SEF, NP28DJ0835/SEF, NP28PRR000/SEF, NP28PRR002/SEF, NP28PRKY03/SEF specifications

The Samsung NP28 series laptops, including models NP28PRLY01/SEF, NP28DJ21WR/SEF, NP28PRL002/SEF, NP28DP0LY3/SEF, and NP28DP084D/SEF, stand as a testament to Samsung's commitment to innovation and high-quality performance in the portable computing segment. These laptops are designed to cater to a wide array of users, from students to professionals, delivering a blend of power, portability, and versatility.

One of the main features of the NP28 series is their lightweight and slim design, making them ideal for on-the-go usage. Each model showcases Samsung’s signature craftsmanship, delivering durability without compromising aesthetics. The display quality is notable, with high-resolution screens that offer vibrant visuals and an immersive viewing experience, whether for work or entertainment.

Performance-wise, the NP28 series is powered by an efficient lineup of processors, ensuring smooth multitasking capabilities and responsiveness. Enhanced by ample RAM options, these laptops can handle demanding applications with ease, making them suitable for both casual users and those requiring more powerful computing for tasks such as graphic design or programming.

Connectivity is another strong aspect of the NP28 series. Each model is equipped with a diverse range of ports, ensuring compatibility with various peripherals. This includes USB Type-C ports, HDMI outputs, and standard USB connections, making it easy to connect to external displays, storage devices, or other accessories. Furthermore, the inclusion of advanced wireless technologies, such as Wi-Fi 6 and Bluetooth support, facilitates fast and reliable internet and peripheral connections.

Battery life is optimized across the NP28 series, allowing users to work, stream, and play without frequent interruptions. This longevity is supported by Samsung's energy-efficient technologies, ensuring that users can remain productive throughout the day.

Ergonomics also play a key role, with a comfortable keyboard and responsive touchpad enhancing the user experience. Some models feature backlit keyboards, facilitating use in dimly lit environments.

In conclusion, the Samsung NP28 series laptops deliver a harmonious blend of performance, design, and functionality. With thoughtful engineering and cutting-edge technology, these models cater to a wide audience, positioning them strongly in the competitive laptop market. Whether used for professional tasks, educational purposes, or leisure, the NP28 series continues to uphold Samsung’s reputation for excellence in the realm of portable computing.