Having problems with your HP Pavilion a420n PC Desktop ?

I have a blinking green light on the back of the PC by the fan. What does that mean

Answers :

That all depends.
\015\012Some computers have a small cluster of 4 leds that are used for diagnostics or if you have your computer on a network (cat 5 ethernet cable) plugged in then all it means is that there is activity on the network.
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