Lenovo ThinkPad L420 (English) User Guide - Page 31

Certificate of Authenticity label The Microsoft Certificate of Authenticity label for the preinstalled operating system is attached. Printed on this label are the product ID and the product key information for your computer. Record this information and keep it in a safe place. You might need these numbers, to start your computer or reinstall the operating system. The location of the Certificate of Authenticity label of your computer is shown as below: Features This section provides information about the computer features. Processor • See the system properties of your computer. You can do this as follows: Click Start, right-click Computer (in Windows XP, My Computer), then from the pull down menu select Properties. Memory • Double data rate three (DDR3) synchronous dynamic random access memory Storage device • 2.5-inch (7 mm height or 9.5 mm height) hard disk drive (some models) • 2.5-inch (7 mm height) solid state drive (some models) • mSATA solid state drive (some models) Display The color display uses TFT technology: • Size: 14.0 inch (355 mm) model - Resolution: - LCD: Up to 1366-by-768 - External monitor: Up to 2048-by-1536 • Size: 15.6 inch (396 mm) model - Resolution: - LCD: Up to 1366-by-768 or 1600-by-900, depending on the model - External monitor: Up to 2048-by-1536 • Brightness control • Integrated camera (on some models) Chapter 1. Product Overview 13