Operating:
Electrical input
•Input voltage:
– Low range:
Minimum: 100 V ac
Maximum: 127 V ac
Input frequency range: 50 to 60 Hz
– High range:
Minimum: 200 V ac
Maximum: 240 V ac
Input frequency range: 50 to 60 Hz
Software overview
The computer comes with a preinstalled operating system and several preinstalled applications.
Software provided with your Windows operating system
This section provides information about the software provided with your Windows operating system.
Software provided by Lenovo
The following software programs are provided by Lenovo to help you improve productivity and reduce the cost associated with maintaining your computer. Software programs provided with your computer might vary depending on your model type and preinstalled operating system.
Lenovo ThinkVantage Tools
The Lenovo ThinkVantage® Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely. For more information, see “Lenovo ThinkVantage Tools” on page 63.
Note: The Lenovo ThinkVantage Tools program is only available on computers with the Windows 7 operating system from Lenovo.
ThinkVantage Productivity Center
The ThinkVantage Productivity Center program guides you to a host of information sources and tools to help you set up, understand, and maintain your computer, and enhance your computer performance. For more information, see “ThinkVantage Productivity Center” on page 64.
Note: The ThinkVantage Productivity Center program is only available on computers preinstalled with the Windows Vista operating system or the Windows XP operating system from Lenovo.
Lenovo Welcome
The Lenovo Welcome program introduces some innovative
Note: The Lenovo Welcome program is only available on computers preinstalled with the Windows 7 operating system or the Windows Vista operating system from Lenovo.
4ThinkCentre User Guide
