HP Presario X1200 HP and Compaq Notebook PC Series - Maintenance and Service G - Page 49

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

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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 Go to Keyboard/ pointing device working? Y 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 2-8 Maintenance and Service Guide

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2–8
Maintenance and Service Guide
Troubleshooting
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.