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Storage in original shipping package: From -40°C (-40°F) to 60°C (140°F)
Storage without package: From -10°C (14°F) to 60°C (140°F)
• Humidity:
Operating: 10%–80% (non-condensing)
Storage: 10%–90% (non-condensing)
• Altitude:
Operating: From -15.2 m (-50 ft) to 3048 m (10 000 ft)
Storage: From -15.2 m (-50 ft) to 10 668 m (35 000 ft)
Electrical input
• Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
Programs
This section provides information about the programs on your computer.
Accessing a program on your computer
To access a program on your computer, do one of the following:
• From Windows Search:
1. Type the program name into the search box next to the Start button.
2. In the search results, click the name of the desired program to launch the program.
• From the Start menu or Control Panel:
1. Click the Start button to open the Start menu. Then, click the name of the desired program to launch
the program.
2. If the program name is not displayed on the Start menu, access the program from Control Panel.
a. Click the Start button to open the Start menu.
b. Click Windows System ➙ Control Panel.
c. View Control Panel by Large icons or Small icons, and then click the name of the desired program
to launch the program.
An introduction to Lenovo programs
This section provides information about the major Lenovo programs available on your operating system.
Note: Depending on your computer model, some of the following programs might not be available.
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P520c User Guide
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