Product Description
Maintenance and Service Guide 1–13
3 Num lock light On:
num lock or the numeric keypad is on.
4 Power/standby button When the notebook is:
■ Off, press to turn on the notebook.
■ On, briefly press to initiate standby.
■ In standby, briefly press to resume from
standby.
■ In hibernation, briefly press to restore
from hibernation.
✎
If the system has stopped
responding and Microsoft®
Windows® shutdown procedures
cannot be used, press and hold the
power/standby button for at least
4 seconds to turn off the notebook.
5 Volume down button Decreases system volume.
6 Volume mute button Mutes or restores system volume.
7 Volume up button Increases system volume.
8 Wireless button Turns the wireless network device on and
off (select models only).
9 Display lid switch ■ If the notebook is closed while on, turns
off the display.
■ If the notebook is opened while in
standby, turns on the notebook
(resumes from standby).
Table 1-6
Upper Keyboard Components
(Continued)
Item Component Function