Dell Precision T1600 (Early 2011) User Manual

Page 68

Light Pattern

Problem Description

Troubleshooting

Steps

Diagnostic LEDs

Power Button LED

failure has
occurred.

modules, then

re-install one

module and re-

start the

computer. If the

computer starts

normally,

continue to

install additional

memory

modules (one at

a time) until you

have identified a

faulty module or

reinstalled all

modules without

error. If only one

memory module

is installed, try

moving it to a

different DIMM

connector and

re-start the

computer.

•

If available,

install verified

working

memory of the

same type into

your computer.

A possible CPU or
system board failure
has occurred.

Replace the CPU
with a known good
CPU. If the
computer still fails
to boot, inspect the
CPU socket for
damage.

BIOS may be
corrupt or missing.

The computer
hardware is
operating normally
but the BIOS may be
corrupt or missing.