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Preinstalled operating system
Your computer is preinstalled with one of the following operating systems:
• Microsoft
®
Windows
®
7
• Microsoft Windows Vista
®
Operating system(s), certied or tested for compatibility
1
(varies by model type)
• Linux
®
• Microsoft Windows XP Professional SP 3
1. The operating system(s) listed here are being certied or tested for compatibility at the time this publication goes to
press. Additional operating systems might be identied by Lenovo as compatible with your computer following the
publication of this manual. This list is subject to change. To determine if an operating system has been certied or
tested for compatibility, check the Web site of the operating system vendor.
4 ThinkCentre User Guide