Compaq nx9420 - Notebook PC Specifikace stáhnout pdf (Strana 39)

Troubleshooting

Maintenance and Service Guide 2–11

Flowchart 2.1—Initial Troubleshooting

Connecting

to network

or modem?

Begin

troubleshooting.

Is there

power?

Is the OS

loading?

Is there video?

(no boot)

Is there

sound?

Beeps,

LEDs, or error

messages?

Keyboard/

pointing

device

working?

Go to

“Flowchart

2.17—Nonfunc-

tioning Device.”

Go to

“Flowchart

2.2—No Power,

Part 1.”

Go to

“Flowchart

2.6—No Video,

Part 1.”

All drives

working?

Y

Y

Y

Y

Y

Y

Y

Y

N

N

N

N

N

End

N

N

N

Go to

“Flowchart

2.9—No Operating

System (OS)

Loading.”

Go to

“Flowchart

2.15—No Audio,

Part 1.”

Go to

“Flowchart

2.18—Nonfunc-

tioning Keyboard”

or “Flowchart

2.19—Nonfunc-

tioning Pointing

Device.”

Check

LED board,

speaker

connections.

Go to

“Flowchart

2.20—No

Network/Modem

Connection.”

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