HP Nw8000 Maintenance and Service Guide: HP Compaq Notebook nc8000 and nw8000 - Page 40

Flowchart 2.1-Initial Troubleshooting, Troubleshooting, Maintenance and Service Guide

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Troubleshooting Flowchart 2.1-Initial Troubleshooting Begin troubleshooting. N Is there power? Y Go to Flowchart 2.2, No Power. N Beeps, LEDs, or error messages? Y N Is there video? (no boot) Y N Is the OS loading? Y N Is there sound? Y Check LED board, speaker connections. Go to Flowchart 2.6, No Video. Go to Flowchart 2.9, No OS Loading. Go to Flowchart 2.15, No Audio. N All drives working? Y Go to Flowchart 2.17, Nonfunctioning Device. N Keyboard/ pointing device working? Y Go to Flowchart 2.18, Nonfunctioning Keyboard or Flowchart 2.19, Nonfunctioning Pointing Device. N Connecting to network or modem? Y Go to Flowchart 2.20, No Network or Modem. End Maintenance and Service Guide 2-11

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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,
Nonfunctioning
Device.
Go to
Flowchart 2.2,
No Power.
Go to
Flowchart 2.6,
No Video.
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 OS Loading.
Go to
Flowchart 2.15,
No Audio.
Go to
Flowchart 2.18,
Nonfunctioning
Keyboard
or Flowchart 2.19,
Nonfunctioning
Pointing Device.
Check
LED board,
speaker
connections.
Go to
Flowchart 2.20,
No Network or
Modem.