Dell Latitude E5530 (Mid 2012) - Manual (Page 79)

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Diagnostics
If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for
technical assistance. The purpose of running diagnostics is to test your computer's hardware without
requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service
and support personnel can use the diagnostics results to help you solve the problem.
Diagnostics
Table 26. Device Status Lights
Turns on when you turn on the computer and
blinks when the computer is in a power
management mode.
Turns on when the computer reads or writes data.
Turns on steadily or blinks to indicate battery
charge status.
Turns on when wireless networking is enabled.
If the computer is connected to an electrical outlet, the battery light operates as follows:
Table 27. Battery Status Lights
Alternately blinking amber light and blue light An unauthenticated or unsupported non-Dell AC
adapter is attached to your laptop.
Alternately blinking amber light with steady blue
light Temporary battery failure with AC adapter present.
Constantly blinking amber light Fatal battery failure with AC adapter present.
Light off Battery in full charge mode with AC adapter
present.
Solid white light on Battery in charge mode with AC adapter present.
The lights located above the keyboard indicate the following:
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