Lenovo ThinkPad T420si (English) User Guide - Page 67

• Click the Access Connections wireless status icon in the system tray. • Click Power Off Wireless Radio. Notes: • You can use the wireless radio switch to disable the wireless radio of all the wireless devices on your computer. • If your computer is a Windows 7 model, to display the Access Connections status icon and the wireless status icon in the system tray, refer to the Access Connections on-line help. Using a projector or external display Your computer comes with many features to increase the enjoyment of your computer and help you give presentations with confidence. Changing display settings You can change the display settings, such as font size or color mode or numeric lock. Font size To make a font size larger, do as follows: For Windows 7: 1. Right-click on the desktop, and click Personalize. 2. Click Display at the left. 3. Select the Medium or Larger radio button. 4. Click Apply. The change will take effect after you log off. For Windows Vista: 1. Right-click on the desktop, and click Personalize. 2. Click Adjust font size (DPI) under Tasks at the left. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 3. Select the Larger scale (120DPI) - make text more readable check box. 4. Click OK. The change will take effect after the computer restarts. You are prompted to restart the computer after you click OK or Apply. For Windows XP: 1. Right-click on the desktop, and click Properties. The Display Properties window opens. 2. Click the Appearance tab. 3. Under Font Size, click Large Fonts or Extra Large Fonts. 4. Click Apply to apply the settings. 5. Click OK. If you are prompted to restart the computer after you click OK or Apply, the change will take effect after the computer restarts. Numeric lock To change the numeric lock setting, do as follows: For Windows 7: 1. Right-click on the desktop, and click Personalize. Chapter 2. Using your computer 51