• 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 57.

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 OneKey Recovery Pro program. If you still see only the cursor on the screen, 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 or click pad.

•Press any 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 57

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Lenovo B485 manual Problems with drives and other storage devices, Hard disk drive problems
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B485 specifications

The Lenovo B485 is a versatile and reliable laptop, designed primarily for business professionals and students alike. With its sleek design and impressive specifications, it offers a good balance of performance and affordability. This laptop is ideal for users looking for functionality without breaking the bank.

One of the standout features of the Lenovo B485 is its AMD A-Series processor, which provides robust performance that easily handles everyday tasks such as web browsing, document editing, and multimedia consumption. The integration of the AMD Radeon graphics further enhances the visual experience, enabling users to enjoy videos and games without compromising on quality.

The B485 comes equipped with a 14-inch HD display, offering vibrant colors and sharp images. This size strikes an excellent balance between portability and usability, making it easy to carry around yet spacious enough for productive work. The anti-glare technology ensures that users can work comfortably in various lighting conditions without experiencing eye strain.

In terms of memory and storage, the Lenovo B485 offers configurations that include up to 8GB of RAM and a choice of HDD or SSD storage options. This versatility allows users to customize their device according to their needs, ensuring smooth multi-tasking and ample storage for files, documents, and media.

Connectivity is a key feature of the B485, with multiple USB ports, HDMI output, and Ethernet ports available, enabling quick and reliable connections to a variety of peripherals and networks. The presence of Wi-Fi and Bluetooth technologies ensures seamless wireless connectivity, making it easy to stay connected on the go.

The Lenovo B485 also prioritizes security with features such as a fingerprint reader and a physical webcam shutter, giving users peace of mind regarding their data and privacy. The long battery life is another notable characteristic, allowing users to work unplugged for extended periods without needing frequent recharges, enhancing productivity in various settings.

In conclusion, the Lenovo B485 embodies a practical choice for individuals seeking a dependable laptop packed with essential features. Its combination of performance, connectivity, and security makes it a suitable option for anyone in need of a reliable computer for their daily tasks.
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