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

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

Solution: If you have modified a partition on your hard disk drive or hybrid drive by using partition software, information about that partition, or the master boot record might have been destroyed.

1.Turn off the computer, and then turn it on again.

2.If you still see only the cursor on the screen, do the following:

If you have used the partition software, examine the partition on the hard disk drive or hybrid drive by using the software, and recover the partition if required.

Use the recovery solutions to restore the system to the factory default state.

If the problem persists, have the computer serviced.

Problem: My screen goes blank while the computer is on.

Solution: Your screen saver or power management might have been enabled. Do either of the following:

Touch the TrackPoint pointing device or the ThinkPad trackpad, or press a key to exit the screen saver.

Press the power button to resume from sleep or hibernation.

Beep errors

Table 7. Beep errors

Problem

Solution

 

 

One short beep, pause, three short beeps, pause, three

Ensure that memory modules are installed correctly. If

more short beeps, and one short beep

they are, and you still hear the beeps, have the computer

 

serviced.

 

 

Three short beeps, pause, one short beep, pause, one

PCI resource allocation failure. Power off the computer

more short beep, and three short beeps

and remove the PCI devices. If the beeps persist, have

 

the computer serviced.

 

 

One long and two short beeps

The video function has a problem. Have the computer

 

serviced.

 

 

Four cycles of four short beeps

The Security Chip has a problem. Have the computer

 

serviced.

 

 

Five short beeps

The system board has a problem. Have the computer

 

serviced.

 

 

Five short beeps, pause, five short beeps, and pause

Continue to boot immediately when the error was

 

detected.

 

 

Memory module problems

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

If your memory module is not operating properly, check the following items:

1.Verify that the memory module is installed and seated correctly in your computer.

It might be necessary to remove all added memory modules to test the computer with only the factory-installed memory modules, and then reinstall the memory module one at a time to ensure a proper connection.

2.Check for error messages during startup.

Follow the appropriate corrective actions for power-on self-test (POST) error messages.

3.Verify that the latest UEFI BIOS for your model has been installed.

Chapter 10. Troubleshooting computer problems 111

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Lenovo S540 manual Beep errors, Memory module problems, Problem Solution

S540 specifications

The Lenovo S540 is a sophisticated laptop designed for both performance and portability, making it an excellent choice for professionals and students alike. This device showcases a blend of modern aesthetics and powerful functionality, representing a notable entry in Lenovo's versatile lineup.

At the heart of the Lenovo S540 lies an Intel Core processor, available in multiple configurations, enabling users to select the level of performance that best suits their needs. These processors deliver exceptional speed and responsiveness, allowing users to seamlessly handle demanding tasks such as video editing, graphic design, or multitasking across various applications.

One of the standout features of the S540 is its stunning display. The laptop offers a Full HD display with vibrant colors and sharp details, whether you are watching movies, editing photos, or simply browsing the web. The narrow bezels around the screen enhance the viewing experience, making it an immersive option for both work and entertainment.

In terms of design, the Lenovo S540 boasts a sleek and lightweight chassis, making it ideal for on-the-go usage. Weighing in at just over 3.5 pounds, it easily fits into backpacks or briefcases, perfect for commuters or students moving between classes. The premium build quality ensures that it not only looks good but can also withstand daily wear and tear.

Battery life is another highlight, with the S540 offering impressive longevity that can last up to 12 hours on a single charge. This capability is crucial for users who may not have immediate access to a power source while out and about. Furthermore, it features rapid charge technology allowing users to recharge the battery quickly when needed.

Connectivity options on the S540 are generous, including USB-C, USB 3.1, HDMI, and a headphone/microphone combo jack. These ports facilitate easy connection to a variety of devices and peripherals, enhancing the overall usability of the laptop.

The Lenovo S540 also makes considerable use of modern technologies such as Intelligent Cooling, which adjusts performance and efficiency based on usage patterns, and TrueBlock Privacy Shutter, providing users with physical protection for the webcam when not in use.

With its balance of style, performance, and innovative features, the Lenovo S540 stands out as a formidable option in the competitive landscape of ultrabooks, making it a prime choice for anyone in need of a reliable and capable laptop.