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 45.

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.

Solution: In the startup menu of ThinkPad Setup, make sure that the hard disk drive is included in the “Boot priority order” list. If it is included in the “Excluded from boot order” list, it is disabled. Select the entry for it in the list and press the Shift+1 key. This moves the entry to the “Boot priority order” list.

•Problem: After setting a hard disk password on the hard disk drive of the computer, you moved the drive to another computer. Now you cannot unlock the hard disk password.

Solution: Your computer supports an enhanced password algorithm. Computers older than yours may not support such a security function.

Solid state drive problems

•Problem: When you compress files or folders by use of the data compression function in Windows, and then decompress them, the process of writing to or reading from the files or folders is slow.

Chapter 10. Troubleshooting computer problems 255

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Lenovo 42825BU, NVS-4200M, 4242X04 Drives and other storage devices, Hard disk drive problems, Solid state drive problems
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4242X04, NVS-4200M, 42421A0, 42825BU specifications

Lenovo offers a diverse range of products tailored to meet the needs of professionals and consumers alike. Among them, models such as the Lenovo 42825BU, 42421A0, and 4242X04 stand out with impressive specifications that cater to various use cases.

The Lenovo 42825BU is an excellent choice for those seeking a dependable laptop for general productivity tasks. Powered by the latest generation Intel Core processor, it ensures smooth performance whether you're working on spreadsheets, attending virtual meetings, or browsing the web. One of its standout features is the high-resolution display that delivers vivid colors and sharp images, making it perfect for graphic design work or watching videos. Furthermore, the device includes ample RAM, allowing for multitasking without lag and enhancing overall efficiency.

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The 4242X04 model takes portability to another level without sacrificing power, making it ideal for on-the-go professionals. With a lightweight design and long battery life, it allows users to work from anywhere without the constant need for a power source. Coupled with fast charging technology, users can quickly recharge their devices during breaks, ensuring minimal downtime.

All these Lenovo models are built with reliability and durability in mind, often featuring robust chassis that can endure daily wear and tear. Additionally, they incorporate various security features including biometric login options, enabling safe and secure access to sensitive data.

In summary, the Lenovo 42825BU, 42421A0, and 4242X04 laptops are designed to meet the demands of a diverse user base. With powerful processing capabilities, impressive graphics performance, and features designed for portability and durability, these models are well-suited for both professional and personal use.
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