Compaq 407511-002 manual Flowchart 2.1-Initial Troubleshooting, Flowchart No Power Part

Troubleshooting

Flowchart 2.1—Initial Troubleshooting

Begin

troubleshooting.

N

Is there power?

Y

N

Go to

“Flowchart

2.2—No Power,

Part 1.”

Beeps,	Check
	LED board,
LEDs, or error			N
	speaker
messages?
	connections.			Go to
Y
		All drives
				“Flowchart
		working?		2.17—Nonfunc-
N		Y		tioning Device.”
	Go to
Is there video?
	“Flowchart		N	Go to
(no boot)	2.6—No Video,
				“Flowchart
	Part 1.”
Y		Keyboard/		2.18—Nonfunc-
		pointing		tioning Keyboard”
		device		or “Flowchart
N		working?		2.19—Nonfunc-
	Go to	Y		tioning Pointing
Is the OS				Device.”
	“Flowchart
loading?	2.9—No Operating		N
	System (OS)			Go to
Y	Loading.”	Connecting
				“Flowchart
		to network		2.20—No
		or modem?
N				Network/Modem
		Y		Connection.”
	Go to
Is there
	“Flowchart
sound?	2.15—No Audio,
Y	Part 1.”	End

Maintenance and Service Guide 2–7