196 Solving Problems
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Normal off condition. Computer is
connected to its electrical outlet. Ensure that the front-panel power light is on. If the power
light is off, ensure that the computer is connected to a
working electrical outlet and then press the power button.
When the computer is operating normally, it can be
automatically or remotely started as long as it remains
connected to an electrical outlet. For more information , see
"Power Management."
If the problem is still not resolved, contact Dell for
technical assistance.
Computer is in a reduced power or
"sleep" state. Use one of the appropriate methods to "w a ke up" the
computer. See "Power Management."
If the problem is still not resolved, contact Dell for
technical assistance.
BIOS is not executing. Perform the procedure in "Reset Corrupted BIOS Settings."
Possible power supply or power cord
failure. Perform the procedure in "Power Problems."
Possible system board failure. Contact Dell for technical assistance.
Microprocessor and/or VRM
mismatch. Perform the procedure in "Microprocessor Problems."
Possible VRM 0 failure. Perform the procedure in "Microproc essor Problems."
Diagnostic Light Codes Before POST
(continued)
Light Pattern Cause Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D