Errors without messages

–Restore the system configuration to what it was before your computer entered hibernation mode.

–If the memory size has been changed, re-create the hibernation file.

•Message: Fan error

Solution: Cooling fan has failed. Have the computer serviced.

•Message: This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another system is installed, the system will not charge. Press the ESC key to continue.

Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use.

Solution: Replace the battery with the correct Lenovo battery for this system. If you still see the same error message, contact with Lenovo service to have the computer serviced.

•Message: The battery installed is not supported by this system and will not charge. Please replace the battery with the correct Lenovo battery for this system. Press the ESC key to continue.

Solution: Replace the battery with the correct Lenovo battery for this computer. If you still see the same error message, contact Lenovo service to have the computer serviced.

•Problem: My screen keeps blanking when I do not want it to.

Solution: If you system is preinstalled with the Windows 7 operating system, you can disable any system timers, such as the LCD turn-off timer or the blank timer by doing the following:

1.Start Power Manager.

2.Click the Power plan tab, and then select Maximum Performance from the predefined power plans.

•Problem: When I turn on the machine, nothing appears on the screen and the machine does not beep while starting up.

Note: If you are not sure whether you heard any beeps, turn off the computer by pressing and holding the power button for four seconds or more. Turn it on and listen again.

Solution: Make sure that:

–The battery is installed correctly.

–The ac power adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

–The computer is turned on. (Turn the power button on again for confirmation.)

If a power-on password is set:

–Press any key to display the prompt for the power-on password. If the brightness level of the screen is low, increase it by pressing the Fn+F8 or Fn+F9.

–Type the correct password and press Enter (refer to “Using passwords” on page 47).

If these items are properly set, and the screen remains blank, have the computer serviced.

•Problem: When I turn on the computer, only a white cursor is displayed on a blank screen.

Solution: If you have modified a partition on your hard disk drive by using partition software, information about that partition, or the master boot record might have been destroyed.

1.Turn off the computer, and then turn it on again.

Chapter 10. Troubleshooting computer problems 141

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.

Lenovo T430SI, 2355AK4 manual Errors without messages

Models: T430S T430SI 2355AK4