11Using Your Dell™ Laptop3 WiFi status light – Turns on whenwireless networking is enabledUse the wireless button to quickly turn allwireless communication On and Off:Using The Wireless ButtonTo turn on wireless, with the system turnedon, lightly touch the wireless symbolon the center control cover and thenrelease4 WWAN status light - Turns on whenWWAN is enabledTo turn on wireless, with the system turnedon, lightly touch the wireless symbolon the center control cover and thenreleaseRight Side Features1 2 34 5 61 ExpressCard slot – Supports oneExpressCard The computer ships with aplastic blank installed in the slotYour computer has several indicators, buttons,and features that provide information at-a-glance and time-saving shortcuts for commontasksDevice Status Lights1 2 3 41 Hard drive activity light – Turns onwhen the computer reads or writes data Aflashing light indicates hard drive activityNOTE: To avoid loss of data, neverturn off the computer while the harddrive activity light is flashing2 Bluetooth® status light (optional)– Turns on when a card with Bluetoothwireless technology is enabledNOTE: The card with Bluetoothwireless technology is an optionalfeatureTo turn off Bluetooth wireless, right-clickthe bluetooth icon in the notificationarea of your desktop, and click DisableBluetooth Radio or use the wirelessswitchUsing Your Dell™ Laptop