Lenovo ThinkPad W540 (English) User Guide - Page 49
Presentations and multimedia, Changing display settings, Connecting a projector or an external monitor - expandable
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Using the NFC connection Near field communication is a high-frequency and short-range wireless communications technology. Depending on the model, your computer might come with the NFC feature. By using the NFC feature, you can establish the radio communications between your computer and another NFC-enabled device over a distance no more than a few centimeters. By default, the NFC feature is enabled. If the NFC feature of your computer is disabled, do the following to enable the NFC feature: • For Windows 7: 1. Start the ThinkPad Setup program. See "Using the ThinkPad Setup program" on page 107. 2. Select Security ➙ I/O Port Access. 3. Set the NFC device option to Enabled. • For Windows 8 and Window 8.1: 1. Move the pointer to the top-right or bottom-right corner of the screen to bring up the charms. 2. Do the following: - For Windows 8: Click Settings ➙ Change PC settings ➙ Wireless. - For Windows 8.1: Click Settings ➙ Change PC settings ➙ Network ➙ Radio devices. 3. Slide the NFC switch to the right to enable the NFC feature. If you still cannot enable the NFC feature, check the NFC device setting in the ThinkPad Setup program by doing the following: 1. Start the ThinkPad Setup program. See "Using the ThinkPad Setup program" on page 107. 2. Select Security ➙ I/O Port Access. 3. Set the NFC device option to Enabled. You can use the NFC feature with NFC supported programs, such as the Lenovo QuickCast program and the Lenovo QuickControl program. Presentations and multimedia You can connect your computer to a projector to give presentations or you can connect your computer to an external monitor to expand your workspace. Changing display settings You can change the display settings, such as the display resolution, font size, and so on. To change the display settings, do the following: 1. Open Control Panel and click Appearance and Personalization. 2. Click Display for further configuration. 3. Click Apply. The change will take effect after you log off. Connecting a projector or an external monitor This topic provides information about connecting a projector or an external monitor. Using an external monitor Note: When you connect an external monitor, a video interface cable with a ferrite core is required. Chapter 2. Using your computer 33