Dell Latitude E6520 Owner's Manual page 114

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Solid Blinking
Blinking Blinking Blinking System board
Blinking Blinking
Blinking Blinking
Blinking Off
Solid Blinking Blinking No SODIMMs
114
Description
handing control
of the system to
the processor.
This code
persists if no
processor is
detected.
Solid Memory is
detected but
has errors.
error
Solid Video card
error
Off Keyboard error
Blinking USB controller
error
are installed.
Next Step
1. Reseat the memory.
2. If two modules are
installed remove one
and test. Try the other
module in the same slot
and test. Test the other
slot with both modules.
3. Replace the memory.
4. Replace the system
board.
Replace the system board.
Replace the system board.
1. Reseat the keboard
cable.
2. Replace the keyboard.
Unplug the USB device (if
any)
1. Install supported
memory modules.
2. If memory is already
present, reseat the
module(s) one at a time
in each slot.
3. Try known good
memory from another
computer or replace the
memory.