HP Evo n180 Maintenance and Service Guide Compaq Evo N180 Series - Page 32

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 Section 2.2, No Power. N Beeps, LEDs, or error messages? Y Check LED board, speaker connections. N Is there video? (no boot) Y Go to Section 2.6, No Video. N Is the OS loading? Go to Section 2.9, No OS Loading. Y N Is there sound? Y Go to Section 2.15, No Audio. N All drives working? Y Go to Section 2.17, Nonfunctioning Device. N Keyboard/ pointing device working? Y N Connecting to network or modem? Y Go to Section 2.18, Nonfunctioning Keyboard, or Section 2.19, Nonfunctioning Pointing Device. Go to Section 2.20, No Network or Modem. End Maintenance and Service Guide 2-3

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Troubleshooting
Maintenance and Service Guide
2–3
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
Section 2.17,
Nonfunctioning
Device.
Go to
Section 2.2,
No Power.
Go to
Section 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
Section 2.9,
No OS Loading.
Go to
Section 2.15,
No Audio.
Go to
Section 2.18,
Nonfunctioning
Keyboard,
or Section 2.19,
Nonfunctioning
Pointing Device.
Check
LED board,
speaker
connections.
Go to
Section 2.20,
No Network or
Modem.