HP Compaq tc1100 Maintenance And Service Manual page 92

Troubleshooting
Flowchart 2.1—Initial Troubleshooting
Begin
troubleshooting.
Is there
power?
Y
Beeps,
LEDs, or error
messages?
Y
Is there video?
(no boot)
Y
Is the OS
loading?
Y
Is there
sound?
Y
2–12
N
Go to
Flowchart 2.2—No
Power, Part 1.
N
Check
LED board,
speaker
connections.
N
Go to
Flowchart 2.6—No
Video, Part 1.
N
Go to
Flowchart 2.9—No
Operating System
(OS) Loading.
N
Go to
Flowchart 2.15—No
Audio, Part 1.
All drives
working?
Y
Keyboard/
pointing
device
working?
Y
Connecting
to network
or modem?
Y
End
Maintenance and Service Guide
N
Go to
Flowchart
2.17—Nonfunctioning
Device.
N
Go to
Flowchart
2.18—Nonfunctioning
Keyboard
or Flowchart
2.19—Nonfunctioning
Pointing Device.
N
Go to
Flowchart 2.20—No
Network or
Modem Connection.