Message: 0183: Bad CRC of Security Settings in EFI Variable. Enter ThinkPad Setup.

Solution: Checksum of the Security settings in the EFI Variable is not correct. Enter ThinkPad Setup to check the Security settings, Press F10 and then press Enter to restart the system. If you still have a problem, have the computer serviced.

Message: 0187: EAIA data access error.

Solution: Enter ThinkPad Setup to check the Security settings. Press F10 and then press Enter to restart the system.

Message: 0188: Invalid RFID Serialization Information Area.

Solution: The EEPROM checksum is not correct (block # 0 and 1). Reset the block # 0 and 1, for example the box Serial Number, and/or block # 4 and 5, for example the UUID.

Message: 0189: Invalid RFID configuration information area.

Solution: The EEPROM checksum is not correct (block # 4 and 5). Reset the block # 0 and 1, for example the box Serial Number, and/or block # 4 and 5, for example the UUID.

Message: 0190: Critical low-battery error.

Solution: The computer turns off, because the battery is low. Connect the ac power adapter to the computer and charge the battery.

Message: 0191: System Security - Invalid remote change requested.

Solution: Bad system configuration change request has been detected, for example, the BootBlock update has failed or unknown request packet has been detected. To clear the error, enter the ThinkPad Setup program.

Message: 0199: System Security - Security password retry count exceeded.

Solution: This message is displayed if you enter a wrong supervisor password more than three times. Confirm the supervisor password and try again. To clear the error, enter the ThinkPad Setup program.

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

Solution: The wireless network card is not supported on this computer. Remove it.

Message: 0251: System CMOS checksum bad.

Solution: The system CMOS might have been corrupted by an application program. The computer uses the default settings. Run ThinkPad Setup to reconfigure the settings. If you still see the same error code, have the computer serviced.

Message: 0271: Real Time Clock Error - Check Date and Time settings.

Solution: Neither the date nor the time is set in the computer. Enter ThinkPad Setup to set the date and time.

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 drive is not working. Have the hard disk drive serviced.

Message: 2102: Detection error on SSD2 (M.2)

Solution: The M.2 SSD device is not working. Have the M.2 SSD device serviced.

Chapter 10. Troubleshooting computer problems 109

Page 125
Image 125
Lenovo S540 manual Troubleshooting computer problems

S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.