Dell 5500 Series, Service Manual

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Power button with fingerprint reader will have no LED and will leverage the available LED's in the system to provide indication of
the system status
● Power Adapter LED:
○ The LED on Power adapter connector illuminates white when power is supplied from electrical outlet.
● Battery Indicator LED:
○ If the computer is connected to an electrical outlet, the battery light operates as follows:
1. Solid white -the battery is charging. When the charge is complete the LED turns off.
○ If the computer is running on a battery, the battery light operates as follows:
1. Off -the battery is adequately charged (or the computer is turned off).
2. Solid amber -the battery charge is critically low. A low battery state is approximately 30 minutes or less of battery life
remaining.
● Camera LED
○ White LED activates when camera is on.
● Mic Mute LED:
○ When activated (muted), the mic mute LED on the F4 Key should illuminate WHITE.
●
RJ45 LEDs:
○ Table 2. LED on either side of RJ45 port
Link speed indicator (LHS) Activity indicator (RHS)
Green Amber
16 Technology and components