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Troubleshooting Understanding the Diag LEDs Table 11-1 Diag LED Patterns (R = Red, Y = Yellow, G = Green, q = Off) Pattern Description Possible Solutionsa GGRY GGRG GqRY Battery voltage error. Processor voltage mismatch. A non-HP processor has been installed as a second processor, or the processors are different frequencies. 1.8V standby circuit error. 1. Reseat the battery. 2. Replace the battery as described in "Battery" on page 199. 3. Replace the system board as described in "System Board" on page 186. 1. Replace the unsupported processor with an HP processor identical to the first as described in "Processor" on page 177. 2. Replace the system board as described in "System Board" on page 186. Replace the system board as described in "System Board" on page 186. Chapter 11 219

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Troubleshooting
Understanding the Diag LEDs
Chapter 11
219
GGRY
Battery voltage error.
1.
Reseat the battery.
2.
Replace the battery as described in
“Battery” on page 199.
3.
Replace the system board as
described in “System Board” on
page 186.
GGRG
Processor voltage mismatch. A
non-HP processor has been installed
as a second processor, or the
processors are different frequencies.
1.
Replace the unsupported processor
with an HP processor identical to
the first as described in “Processor”
on page 177.
2.
Replace the system board as
described in “System Board” on
page 186.
G
●
RY
1.8V standby circuit error.
Replace the system board as described
in “System Board” on page 186.
Table 11-1
Diag LED Patterns
(R = Red, Y = Yellow, G = Green,
●
= Off)
Pattern
Description
Possible Solutions
a