Lenovo ThinkPad L421 Hardware Maintenance Manual - Page 55
Status indicators
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Chapter 5. Status indicators This chapter presents the system status indicators that show the status of the computer. 1 Table 6. Status indicators Indicator 1 Numeric lock 8 7 2 3 4 5 6 Meaning By default, when the numeric lock is on, the indicator is displayed on the screen. 2 Power on • Green: The computer is on and ready to use. The power switch stays lit whenever the computer is on and is not lit when the computer is in sleep (standby) mode. 3 Wireless • Green: The wireless feature (802.11 standard or 802.11n) is on, and the radio link is LAN/WAN/WiMAX ready for use. status • Blinking green: Data is being transmitted. 4 Bluetooth wireless • Green: Bluetooth wireless is on, and the radio link is ready for use. status • Blinking green: Data is being transmitted. © Copyright Lenovo 2011, 2012 49