Lenovo ThinkPad L421 (English) User Guide - Page 20
Front view, Computer display, Power switch
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Front view Figure 1. ThinkPad L420 and L520 front view 1 Computer display 3 Built-in stereo speakers 5 TrackPoint buttons 7 UltraConnect wireless antennas (left) 9 Built-in microphone 11 ThinkVantage button 13 Fingerprint reader 15 Bluetooth antenna 17 Touch pad 19 Fn key 2 Power switch 4 TrackPoint pointing stick 6 Built-in stereo speakers 8 Integrated camera 10 UltraConnect wireless antennas (right) 12 System-status indicators 14 Power-status indicators 16 PCI Express Mini Card slot for wireless LAN/WiMAX 18 Touch pad buttons 20 Volume control buttons 1 Computer display The high-resolution, thin-film transistor (TFT) display provides clear and brilliant text and graphics. For details, refer to the instructions in "Changing display settings" on page 48. 2 Power switch The power switch is lit whenever the computer is on and is not lit when the computer is in sleep (standby) mode. Use the power switch to turn on the computer. To turn off your computer, use the Start menu shutdown options. If you cannot turn off the computer by this method, press and hold the power switch for 2 seconds. 2 User Guide