• Press Fn+F2 to confirm whether the LCD screen has been turned off.

If the problem persist, follow the solution to “The screen is unreadable or distorted.” on page 47

The screen is unreadable or distorted.

Make sure that:

•The display device driver is installed correctly.

•The screen resolution and color quality are correctly set.

•The monitor type is correct.

Incorrect characters are displayed on the screen.

Did you install the operating system or application program correctly? If they are installed and configured correctly, have the computer serviced.

When I turn on the computer, nothing is displayed on the screen and the computer does not beep while starting up.

Make sure that:

•The battery is installed correctly.

•The ac power adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

•The computer is turned on. (Press the power button again for confirmation.)

If these items are correctly set, and the screen remains blank, have the computer serviced.

When I turn on the computer, only a white cursor is displayed on a blank screen.

Restore backed-up files to your Windows environment or the entire contents of your hard disk drive to the original factory contents using the preinstalled recovery programs on your computer. If the problem persists, have the computer serviced.

My screen goes blank while the computer is on.

Your screen saver or power management may be enabled. Do one of the following to exit from the screen saver or to resume from sleep or hibernation mode:

•Touch the touch pad.

•Press the Fn key on the keyboard.

•Press the power button.

•Press Fn+F2 to confirm whether the LCD screen has been turned off.

Problems with drives and other storage devices

This section includes hard disk drive problems and optical drive problems.

Hard disk drive problems

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

The hard disk drive makes a rattling noise intermittently.

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.

Chapter 9. Troubleshooting computer problems 47

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Lenovo B590, 59366616, B490 manual Problems with drives and other storage devices, Hard disk drive problems
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B490, B590, 59366616 specifications

Lenovo's B-series laptops, including the B490, B590, and B59366616, are designed to meet the needs of business professionals who seek a balance between performance, affordability, and portability. These laptops are characterized by their solid build quality, robust features, and user-friendly design, making them ideal for everyday office tasks or on-the-go productivity.

The Lenovo B490 is equipped with a 14-inch display that delivers sharp visuals, making it suitable for presentations and document editing. It offers a variety of processor options, ranging from Intel Core i3 to Core i5, enabling users to select the level of performance that best suits their requirements. The B490 comes with 4GB or 8GB of RAM, which can be upgraded for enhanced multitasking capabilities. Additionally, it offers various storage options, including traditional hard drives and solid-state drives, providing flexibility in terms of speed and storage capacity.

On the other hand, the Lenovo B590 features a larger 15.6-inch display, making it a great choice for users who prefer a bigger screen for their workflow. Like the B490, it also supports a range of Intel processors and offers ample options for RAM and storage. The keyboard is designed for comfortable typing, which is essential for extended work sessions. Advanced technologies, such as Dolby Advanced Audio, ensure an enhanced audio experience, making it suitable for webinars, video conferences, and multimedia consumption.

Both models feature Lenovo's Enhanced Experience software that optimizes boot times and provides a range of tools for system maintenance and management. They also come with various connectivity options, including USB 3.0 ports, HDMI, and Ethernet, allowing users to connect to multiple devices with ease.

Security is another cornerstone of these laptops. Features like Lenovo’s OneKey Rescue System assist in data recovery, while the option for fingerprint readers adds an additional layer of security for sensitive business information.

Overall, the Lenovo B490, B590, and B59366616 offer a reliable and efficient computing solution for professionals. Their combination of performance, affordability, and essential features makes them favorable options for those looking to enhance productivity without breaking the bank. Whether in the office or on the move, these laptops are tailored to meet the diverse needs of business users.
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