HP 15 Maintenance And Service Manual page 19

Component
(1) Caps lock light
(2) Mute light
(3) Wireless light
Description
On: Caps lock is on, which switches the keys to all capital letters.
●
Amber: Computer sound is off.
●
Off: Computer sound is on.
On: An integrated wireless device, such as a wireless local area
network (WLAN) device and/or a Bluetooth device, is on.
NOTE: On some models, the wireless light is amber when all
wireless devices are off.
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