Lenovo S540 Laptop User Manual


 
When you install the Windows 8 or Windows 8.1 operating system, you might need one of the following
country or region codes:
Country or region Code Country or region Code
China SC
Netherlands NL
Denmark DK Norway
NO
Finland FI
Spain SP
France FR
Sweden SV
Germany GR
Taiwan and Hong Kong
TC
Italy IT
United States US
Japan JP
Installing device drivers
Device driver is the program that operates a particular hardware device of the computer. If a device does
not perform well or you install a new device, you need to install or update the corresponding device driver.
For example, if you use the Windows 7 operating system, to use the USB 3.0 connector, you need to
download and install the USB 3.0 driver.
To download the latest device drivers, do the following:
1. Go to http://www.lenovo.com/ThinkPadDrivers.
2. Select your product name to view all the device drivers for your computer.
3. Select the device drivers that you need, and follow the instructions on the screen.
Attention: Do not download the device drivers from the Windows Update Web. Always download the device
drivers from:
http://www.lenovo.com/ThinkPadDrivers
If you use the Windows 7 operating system, you also can find the device drivers in the C:\SWTOOLS\DRIVERS
directory on your hard disk drive, solid-state drive, or hybrid drive. For more information, see “Reinstalling
preinstalled applications and device drivers” on page 63
.
Using the ThinkPad Setup program
The ThinkPad Setup program enables you to select various setup configurations for your computer through
configuring the BIOS.
To configure the BIOS of your computer, do the following:
1. Turn on the computer. When the ThinkPad logo is displayed, press F1. The ThinkPad Setup program
starts.
Note: If you are required to enter the supervisor password, enter the correct password. You also can
press Enter to skip the password prompt and start the ThinkPad Setup program. If you do not enter the
password, you cannot change the configurations that are protected by the supervisor password. For
more information, refer to “Using passwords” on page 47.
2. Use the cursor keys to select a tab; or use the cursor keys to locate an item and press Enter to select it.
Then a submenu is displayed.
Note: Some menu items are displayed only if the computer supports the corresponding features.
3. Set the value of an item by doing one of the following:
Chapter 8. Advanced configuration 87