Compaq Evo n800c Maintenance and Service Guide - Page 71

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 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 Section 2.6, No Video. Go to Section 2.9, No OS Loading. Go to Section 2.15, No Audio. N All drives working? Y N Keyboard/ pointing device working? Y N Connecting to network or modem? Y End Go to Section 2.17, Nonfunctioning Device. Go to Section 2.18, Nonfunctioning Keyboard, or Section 2.19, Nonfunctioning Pointing Device. Go to Section 2.20, No Network or Modem. 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
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.