• System Time

To change the date and time, do the following:

1.Using the up and down arrow keys to select the item to change the date or time.

2.Press Tab, Shift+Tab, or Enter to select a field.

3.Type the date or time.

Notes: Another way to adjust the date and time is pressing the following keys:

•F5 or –: Change to a lower value.

•F6 or the combination of Shift and +: Change to a higher value.

4.Press F10 to save the changes and restart the system.

Security menu

If you need to set the security features of your computer, select Security from the ThinkPad Setup menu.

Notes:

•Default values are in boldface. The default settings are already optimized for you. If you consider changing the computer configuration, proceed with extreme caution. Setting the configuration incorrectly might cause unexpected results.

•On each submenu, press Enter to show selectable options and select a desired option, or type desired values from the keyboard directly.

•Some items are displayed on the menu only if the computer supports the corresponding features.

The following table lists the Security menu items.

Table 5. Security menu items

Menu item

Submenu item

Selection

Comments

 

 

 

 

 

Password

Supervisor Password

•

Disabled

Refer to “Supervisor password” on

 

 

•

Enabled

page 48.

 

 

 

 

 

 

 

 

 

Lock UEFI BIOS Settings

•

Disabled

Enable or disable the function that

 

 

•

Enabled

protects items in the ThinkPad

 

 

Setup program from being changed

 

 

 

 

 

 

 

 

by unauthorized users. By default,

 

 

 

 

this is set to Disabled. If you set

 

 

 

 

the supervisor password and enable

 

 

 

 

this function, no one but you can

 

 

 

 

change the items in the ThinkPad

 

 

 

 

Setup program.

 

 

 

 

 

 

Password at unattended

•

Disabled

If you select and enable Password

 

boot

•

Enabled

at unattended boot, a password

 

 

prompt will be displayed when

 

 

 

 

 

 

 

 

the computer is turned on, from

 

 

 

 

either a power-off or hibernation

 

 

 

 

state. If you select Disabled, no

 

 

 

 

password prompt will be displayed;

 

 

 

 

the computer goes ahead and loads

 

 

 

 

the operating system. To prevent

 

 

 

 

unauthorized access, you can set

 

 

 

 

the user authentication on the

 

 

 

 

operating system.

 

 

 

 

 

92User Guide

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Lenovo S540 Security menu, Menu item Submenu item Selection Comments Password, Enabled At unattended boot, a password
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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.
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