Battery Status Lights - Dell Latitude E6420 Owner's Manual

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Blinki Off Blinki
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Solid Blinki Blinki
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Blinki Solid Blinki
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Off Blinki Blinki
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Battery Status Lights

If the computer is connected to an electrical outlet, the battery light operates as
follows:
• 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.
• Blue light on — Battery in charge mode with AC adapter present.
142
Description
USB controller
ng error
No SODIMMs are
ng installed
Display panel
ng error
Modem error
ng
Next Step
Unplug the USB device (if any)
1. Install supported memory
modules.
2. If memory is already present,
re-seat the module(s) one at a
time in each slot.
3. Try known good memory from
another computer or replace
the memory.
4. Replace the system board.
1. Re-seat the display cable.
2. Replace the display panel.
3. Replace the video card/
system board.
1. Re-seat the modem.
2. Replace the modem.
3. Replace the system board.