2.Swap batteries with another similar model, if available.

If another similar ThinkPad model is available, then verify that the battery pack works in the other computer and that the battery pack for the other model works in this computer.

3.Verify the battery-status indicator. Refer to “Power status indicators” on page 8.

The battery-status indicator is normally illuminated whenever the battery is installed and the computer is on, or the ac power adapter is connected and the battery is charging. This indicator may be blinking or solid in either orange or green color depending on the status of the battery.

A power button problem

Problem: The system does not respond, and you cannot turn off the computer.

Solution: Turn off the computer by pressing and holding the power button for 4 seconds or more. If the system is still not reset, remove the ac power adapter and the battery.

Boot problems

Print these instructions now and keep them with your computer for reference later.

If you receive an error message before the operating system loads, follow the appropriate corrective actions for POST error messages.

If you receive an error message while the operating system is loading the desktop configuration after the POST is completed, check the following items:

1.Go to the Lenovo Support Web site at http://www.lenovo.com/support and search for the error message.

2.Go to the Microsoft Knowledge Base homepage at http://support.microsoft.com/ and search for the error message.

Sleep and hibernation problems

•Problem: The computer enters sleep mode unexpectedly.

Solution: If the processor overheats, the computer automatically enter sleep mode to allow the computer to cool and to protect the processor and other internal components. Check the settings for sleep mode.

•Problem: The computer enters sleep mode (the sleep indicator turns on) immediately after Power-on self-test.

Solution: Ensure that:

–The battery is charged.

–The operating temperature is within the acceptable range. Refer to “Operating environment” on page 14.

If the battery is charged and the temperature is within range, have the computer serviced.

•Problem: The “critical low-battery error” message appears, and the computer immediately turns off.

Solution: The battery power is getting low. Connect the ac power adapter to the computer and plug it into an electrical outlet, or replace the battery with a charged one.

•Problem: The computer display remains blank after you press Fn to return from sleep mode.

Solution: Check whether an external monitor was disconnected or turned off while the computer was in sleep mode. If you disconnected or turned off the external monitor, connect it or turn it on before resuming the computer from the sleep mode. When resuming the computer from the sleep mode without attaching the external monitor or turning it on, and the computer display remains blank, press Fn+F7 to bring up the computer display.

Chapter 10. Troubleshooting computer problems 145

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Lenovo 24684XU, L430, L530 manual Power button problem, Boot problems, Sleep and hibernation problems
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24684XU, L430, L530 specifications

The Lenovo L530 and L430 are part of the ThinkPad series of laptops, which are designed to cater to business professionals by providing robust performance, durability, and security features. The L530, a larger variant, is designed to meet the needs of users who require efficient multitasking capabilities, while the L430 is more compact, catering to professionals on the go.

One of the main features of the Lenovo L530 is its Intel Core processor, which offers various configuration options ranging from Intel Core i3 to i7. These processors ensure that the laptop delivers exceptional performance for demanding applications and multitasking workflows. The L530 typically comes with up to 8GB of RAM, enhancing its ability to run multiple applications smoothly.

For the L430, it also features a range of Intel Core processors, providing a balance between performance and power efficiency. With a maximum of 8GB RAM, it is designed to handle everyday business tasks with ease, making it perfect for users who need a reliable machine without the bulk.

Both models feature a 15.6-inch and 14-inch display, respectively, with options for HD and HD+ resolutions. This ensures vibrant visuals for presentations and media consumption alike. The keyboards are characteristic of the ThinkPad series, offering a comfortable typing experience with excellent key travel and feedback, making long hours of work less taxing.

In terms of storage, both laptops offer HDD and SSD options, allowing users to choose between larger storage capacities or faster boot and load times. Connectivity is another strong point, with multiple USB ports, HDMI, and Ethernet options, ensuring that users can connect various peripherals effortlessly.

Security is paramount in Lenovo's offerings. The L530 and L430 come equipped with features such as a fingerprint reader, Trusted Platform Module (TPM) for data encryption, and customizable privacy settings, catering to security-conscious professionals.

Additionally, both models boast robust build quality, adhering to military specifications for toughness. Durability means they can withstand the rigors of daily travel and usage, which is a significant consideration for business users.

Lenovo's energy-efficient technologies are also worth mentioning, promoting longer battery life and lower power consumption. Businesses can rely on these laptops for extended usage without frequent recharges, enhancing productivity.

Overall, the Lenovo L530 and L430 represent solid choices for business-oriented laptops, offering the balance of performance, portability, and security that professionals demand in today’s fast-paced work environment.
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