1.LCD latch: Secures the LCD display panel to the notebook. When opening the notebook, push the LCD latch to the right and lift the display panel. When you close the notebook, the LCD latch will hold the display panel in place.
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4.LCD display: Your computer comes with a 14. 1" COLOR TFT/WXGA LCD display.
5.Power button: Press to power on your computer.
6.Speakers: Provide audio output.
7.Keyboard: Includes a numeric keypad and the
Microsoft Windows logo key 
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8.Touch pad: Provides the functionality of a mouse.
9.Touch pad buttons: Use these buttons much like the left and right buttons of a mouse when you use the touch pad to move the cursor on the display.
Using Your Inspiron Laptop
10.Wireless switch: Turn the wireless connection on or off. When the wireless connection is turned on, the wireless status light on the front of the computer lights up.
11.Status/Power light Power (blue)
Battery charging (blue/amber)
Wireless connection (blue)/Bluetooth (amber) Flashing power light indicates the computer is in standby mode.
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