Lenovo ThinkPad L450, Руководство пользователя

Страница: 28 / 186

Environment:
• Maximum altitude without pressurization: 3048 m (10 000 ft)
• Temperature
– At altitudes up to 2438 m (8000 ft)
– Operating: 5.0°C to 35.0°C (41°F to 95°F)
– Storage: 5.0°C to 43.0°C (41°F to 109°F)
– At altitudes above 2438 m (8000 ft)
– Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F)
Note: When you charge the battery, its temperature must be at least 10°C (50°F).
• Relative humidity:
– Operating: 8% to 80%
– Storage: 5% to 95%
If possible, place your computer in a well-ventilated and dry area without direct exposure to sunshine.
Attention:
• Keep electrical appliances such as an electric fan, a radio, an air conditioner, and a microwave oven away
from the computer. The strong magnetic fields generated by these appliances can damage the monitor
and data on the hard disk drive or hybrid drive.
• Do not place any beverages on top of or beside the computer or other attached devices. If liquid is spilled
on or in the computer or an attached device, a short circuit or other damage might occur.
• Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage.
Lenovo programs
Your computer comes with Lenovo programs to help you work easily and securely.
Note: The available programs are subject to change without notice.
To learn more about the programs and other computing solutions offered by Lenovo, go to:
http://www.lenovo.com/support
Accessing Lenovo programs
To access Lenovo programs on your computer, do the following:
• For Windows 7 and Windows 10 :
1. Click the Start button to open the Start menu. Locate a program by the program name.
2. If the program is not displayed on the Start menu, click All programs or All apps to display all
programs.
3. If you still do not find the program in the program list, search for the program in the search box.
• For Windows 8.1 :
1. Press the Windows key to open the Start screen. Locate a program by the program name.
2. If the program is not displayed on the Start screen, click the arrow icon to open the Apps screen.
3. If you still do not find the program on the Apps screen, search for the program in the search box.
12
User Guide