Dell Precision 1G155 Setup And Quick Reference Manual page 47

D i a g n o s t i c L i g h t C o d e s D u r i n g P O S T
Light Pattern
A
yellow
B
yellow
C
green
D
yellow
A
yellow
B
yellow
C
green
D
green
A
yellow
B
green
C
yellow
D
yellow
A
yellow
B
green
C
yellow
D
green
yellow
A
green
B
green
C
yellow
D
green
A
green
B
green
C
yellow
D
= y e l l o w
= g r e e n
= o f f
(continued)
Cause
Possible microprocessor failure.
Possible memory failure.
Possible expansion card failure or conflict.
Possible video card failure.
Possible floppy drive or hard drive failure.
After video initialization, an alert was found. Check
the computer screen for an error message.
Setup and Quick Re ference Guide
47