![](/images/new-backgrounds/1270219/27021927x1.webp)
Top components
Buttons and lights
Item | Component | Function |
|
|
|
(1) | Caps lock light | On: Caps lock is on. |
|
|
|
(2) | Internal display switch | Turns off the display if the display is closed while the power is on. |
|
|
|
(3) | Wireless button (select models only) | Turns the wireless feature on or off, but does not create a wireless |
|
| connection. |
|
| NOTE: A wireless network must be set up in order to establish a |
|
| wireless connection. |
|
|
|
(4) | Wireless light (select models only) | ● On: An integrated wireless device, such as a wireless local area |
|
| network (WLAN) device, the HP Broadband Wireless Module, |
|
| and/or a Bluetooth® device, is on. |
|
| ● Off: All wireless devices are turned off. |
|
|
|
(5) | Power button* | ● When the computer is off, press the button to turn on the computer. |
|
| ● When the computer is on, press the button to initiate the Sleep state |
|
| (Windows Vista) or shut down the computer (Windows XP). |
● When the computer is in the Sleep state (Windows Vista) or in Standby (Windows XP), press the button briefly to exit Sleep or Standby.
● When the computer is in Hibernation, press the button briefly to exit Hibernation.
If the computer has stopped responding and Windows® shutdown procedures are ineffective, press and hold the power button for at least 5 seconds to turn off the computer.
6 | Chapter 2 External component identification |