e.Remove the PCI Express Mini Card. Refer to “Replacing a PCI Express Mini Card for wireless LAN/WiMAX connection” on page 66 and “Replacing a PCI Express Half Mini Card for wireless WAN connection” on page 68.

f.Remove the hard disk drive. Refer to “Replacing the hard disk drive or solid-state drive” on page 63.

g.Wait for 30 seconds, and then reinstall the memory module and the known good battery or the ac power adapter to test the computer with minimal devices attached first.

h.Reinstall each device one at a time that you have removed in the earlier steps.

If your computer does not run on battery power, check the following items:

1.Remove and reseat the battery to make sure that it is properly connected. Refer to “Replacing the battery” on page 59.

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 indicator” on page 7.

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 microprocessor overheats, the computer automatically enters sleep mode to allow the computer to cool and to protect the microprocessor and other internal components. Check the settings for sleep mode.

•Problem: The computer enters sleep mode immediately after the power-on self-test.

Solution: Make sure that:

–The battery is charged.

–The operating temperature is within the acceptable range. Refer to “Operating environment” on page 12.

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

• Problem: A critical low-battery error occurs, and the computer immediately turns off.

Chapter 9. Troubleshooting computer problems 123

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Lenovo E135, E130 manual Power button problem, Boot problems, Sleep and hibernation problems
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E130, E135 specifications

The Lenovo E135 and E130 are compact, lightweight laptops designed primarily for the education market and small business professionals. Engineered with portability and performance in mind, both models balance functionality with affordability, making them ideal for users seeking reliable daily computing without the bulk of traditional laptops.

One of the standout features of the Lenovo E135 and E130 is their impressive battery life. Both models are equipped with energy-efficient processors that enable extended use on a single charge, an essential factor for users who are often on the go. The laptops are designed to last all day, with battery performance catering to the needs of students and professionals who may not always have access to a power outlet.

The E135 features an AMD processor, allowing for efficient multitasking and smooth operation of applications while maintaining lower power consumption. The E130, on the other hand, is powered by an Intel processor, which is noted for its reliability and efficiency in handling everyday tasks. Both models ensure seamless performance for activities such as web browsing, document creation, and media consumption.

Display quality is another highlight of these models. The 11.6-inch display offers vibrant visuals and comfortable viewing angles, enhancing the user experience whether for work or leisure activities. The anti-glare technology helps reduce eye strain during prolonged use, ensuring that users can engage with their devices comfortably.

In terms of build quality, both the E135 and E130 boast a durable design that can withstand the rigors of daily use, an essential feature for students or field professionals. The keyboards are ergonomically designed for comfortable typing, while the touchpads provide responsive navigation, making daily tasks more efficient.

Connectivity options are plentiful; users can expect multiple USB ports, HDMI output, and integrated Wi-Fi, ensuring that the laptops can easily connect to various peripherals and networks. This versatility is crucial for those who work in diverse environments or need to connect their laptops to external displays.

In summary, the Lenovo E135 and E130 are excellent choices for individuals looking for compact, efficient, and budget-friendly laptops. With their solid performance, long battery life, and user-friendly features, these models meet the demands of students and professionals alike, making them reliable companions for everyday computing tasks.
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