Solution: If the system does not return from sleep (standby) mode, it may have entered sleep (standby) or hibernation mode automatically because the battery is depleted. Check the sleep (standby) indicator.

If the sleep (standby) indicator is on, your computer is in sleep (standby) mode. Connect the ac power adapter to the computer; then press Fn.

If the sleep (standby) indicator is off, your computer is in hibernation mode or power-off state. Connect the ac power adapter to the computer; then press the power button to resume operation.

If the system still does not return from sleep (standby) mode, your system may stop responding and you may not be able to turn off the computer. In this case, you need to reset the computer. If you have not saved your data, it may be lost. To reset the computer, press and hold the power button for 4 seconds or more. If the system is still not reset, remove the ac power adapter and the battery.

Problem: Your computer does not enter sleep (standby) or hibernation mode.

Solution: Check whether any option has been selected to disable your computer from entering sleep (standby) or hibernation mode.

If your computer tries to enter sleep (standby) mode but the request is rejected, the device in the USB connector might be disabled. If this occurs, do a hot-unplug-and-plug operation for the USB device.

Problem: The Fn+F12 key combination does not make the computer enter hibernation mode.

Solution: The computer cannot enter hibernation mode:

If the hibernation mode is not enabled in Windows XP. To enable it, do as follows: For Windows XP:

1.Click Start Control panel.

2.Click Performance and Maintenance.

3.Click Power Options.

4.Click the Hibernate tab.

5.Click the Enable hibernation check box.

6.Click OK.

If you want to be able to enter hibernation mode by pressing Fn+F12, you need to install ThinkPad PM driver.

Problem: The battery discharges slightly while the computer is in hibernation mode.

Solution: If the wakeup function is enabled, the computer consumes small amount of power. This is not a defect. For details, refer to “Power-saving modes” on page 59.

Drives and other storage devices

This section includes three drive problems which are hard disk drive, solid state drive, and optical drive.

Hard disk drive problems

Problem: The hard disk drive makes a rattling noise intermittently.

Solution: The rattling noise might be heard:

When the hard disk drive begins or finishes getting access to data.

When you carry the hard disk drive.

When you carry your computer.

This is a normal characteristic of a hard disk drive and is not a defect.

Problem: The hard disk drive does not work.

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Lenovo 429040 manual Drives and other storage devices, Hard disk drive problems

429040 specifications

The Lenovo 429040 is an innovative laptop model that caters to both business professionals and casual users alike, combining portability, performance, and design. This device is engineered to meet the demands of modern computing, making it a standout option in the competitive laptop market.

One of the main features of the Lenovo 429040 is its sleek and lightweight design. Weighing just around 3.5 pounds, it is incredibly portable, making it easy to carry for on-the-go professionals or students. The laptop sports a robust chassis made from durable materials, ensuring longevity while also maintaining a modern aesthetic. The design incorporates a high-resolution display, typically a Full HD IPS panel, which offers vibrant colors and wide viewing angles. This is perfect for both work presentations and multimedia consumption.

Under the hood, the Lenovo 429040 is equipped with powerful processing capabilities. It often comes with the latest Intel or AMD processors, providing the necessary power for multitasking and demanding applications. Coupled with significant RAM options, typically ranging from 8GB to 16GB, users can run multiple applications simultaneously without experiencing slowdown. This makes it ideal for tasks such as video editing, software development, and heavy browsing.

In terms of storage, the Lenovo 429040 generally features fast SSD options, enhancing overall system responsiveness and boot times. With storage capacities ranging from 256GB up to 1TB, users have ample space not only for their operating system but also for applications and personal files.

Moreover, the laptop incorporates advanced technologies such as Wi-Fi 6 for faster internet connectivity and Bluetooth compatibility for seamless wireless connections with peripherals. The battery life is another significant characteristic, often lasting up to 12 hours on a single charge, allowing users to work or enjoy media without constantly seeking power outlets.

The keyboard of the Lenovo 429040 is designed for comfort, featuring backlit keys that facilitate typing in low-light conditions, along with a responsive touchpad. Security features such as a fingerprint reader and optional AI-based security enhancements are additional highlights that ensure data protection.

Overall, the Lenovo 429040 stands out for its combination of style, performance, and practicality, making it a reliable choice for those looking for a capable laptop that can adapt to various usage scenarios. Whether for business tasks, educational purposes, or entertainment, it delivers a well-rounded experience.