Solution: Neither the date nor the time is set in the computer. Set the date and time, using the ThinkPad Setup.

•Message: 1802: Unauthorized network card is plugged in - Power off and remove the network card.

Solution: The mini PCI Express network card is not supported on this computer. Remove it.

•Message: 1820: More than one external fingerprint readers are attached. Power off and remove all but the reader that you set up within your main operating system.

Solution: Power off and remove all but the reader that you set up within your main operating system.

•Message: 2000: ThinkVantage Active Protection sensor diagnostics failed.

Solution: ThinkVantage Active Protection sensor is not working correctly. Have the computer serviced.

•Message: 2100: Detection error on HDD0 (Main HDD)

Solution: The hard disk is not working. Have the hard disk serviced.

•Message: 2101: Detection error on HDD1 (Ultrabay HDD)

Solution: The hard disk is not working. Have the hard disk serviced.

•Message: 2102: Detection error on HDD2 (Mini SATA)

Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.

•Message: 2110: Read error on HDD0 (Main HDD)

Solution: The hard disk is not working. Have the hard disk serviced.

•Message: 2111: Read error on HDD1 (Ultrabay HDD)

Solution: The hard disk is not working. Have the hard disk serviced.

•Message: 2112: Read error on HDD2 (Mini SATA)

Solution: The Mini SATA device is not working. Have the Mini SATA device serviced.

•Message: 2200: Machine Type and Serial Number are invalid.

Solution: Machine Type and Serial Number are invalid. Have the computer serviced.

•Message: 2201: Machine UUID is invalid.

Solution: Machine UUID is invalid. Have the computer serviced.

•Message: The power-on password prompt

Solution: A power-on password or a supervisor password is set. Type the password and press Enter to use the computer (refer to “Using passwords” on page 47). If the power-on password is not accepted, a supervisor password might have been set. Type the supervisor password and press Enter. If you still see the same error message, have the computer serviced.

•Message: The hard disk password prompt

Solution: A hard disk password is set. Type the password and press Enter to use the computer (refer to “Hard disk passwords” on page 48).

•Message: Hibernation error

Solution: The system configuration changed between the time your computer entered hibernation mode and the time it left this mode, and your computer cannot resume normal operation.

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Lenovo T430SI, 2355AK4 manual User Guide
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T430S, T430SI, 2355AK4 specifications

Lenovo has long been a key player in the laptop market, providing robust machines that cater to business and professional needs. Among its impressive lineup are the Lenovo 2355AK4, T430SI, and T430S models, renowned for their performance, portability, and innovative features.

The Lenovo 2355AK4 is a laptop that emphasizes reliable performance. It is equipped with an Intel Core i5 processor, which delivers efficient multitasking and smooth operation for various applications. The 15.6-inch display offers a resolution sufficient for everyday tasks, making it ideal for professionals on the go. Its portability is enhanced by a lightweight design, allowing users to carry it without significant strain. The battery life is another strong point, providing extended usage to keep up with a busy schedule.

Next in line is the Lenovo T430SI, a model that stands out with its exceptional build quality and durability. This laptop is designed for intense use, making it suitable for professionals who need a device that can withstand the rigors of daily demands. The T430SI features a 14-inch display, combining portability with usability. One of its key characteristics is the inclusion of Intel's vPro technology, which enhances security and simplifies IT management. Additionally, the T430SI comes with a variety of connectivity options, including USB 3.0 ports and Thunderbolt, catering to various peripheral needs.

Finally, the Lenovo T430S is a more lightweight variant of the T430 series, prioritizing both performance and portability. It boasts an innovative design, featuring a 14-inch HD display that offers vibrant visuals and exceptional viewing angles. The T430S utilizes the latest Intel processors, ensuring powerful performance that is further supported by robust SSD options for faster data access. With a sleek profile and a weight of just over 3 pounds, this model is perfect for professionals who travel frequently.

In summary, the Lenovo 2355AK4, T430SI, and T430S boast features that cater to different professional needs. From the reliable performance of the 2355AK4 to the durability of the T430SI and the portability of the T430S, each model showcases Lenovo's commitment to providing innovative solutions for users requiring efficiency and versatility in their devices. Whether for business meetings, remote work, or on-the-go tasks, these laptops stand out as reliable companions for the modern professional.
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