HP Pavilion zd8000 HP Pavilion zd8000 Notebook PC - Maintenance and Service Gu - Page 30

Flowchart 2.2-No Power, Part 1, Maintenance and Service Guide, Troubleshooting

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Troubleshooting Flowchart 2.2-No Power, Part 1 No power (power LED is off). Remove from expansion base (if applicable). N Power up on battery power? Y Reset power.* N Power up on battery power? Y Go to "Flowchart 2.3-No Power, Part 2." N Power up on AC power? Y Reset power.* N Power up on AC power? Y Go to "Flowchart 2.4-No Power, Part 3." Y Power up in docking device? N Done 1. Reseat the power cables in the expansion base and at the AC outlet. 2. Ensure the AC power source is active. 3. Ensure that the power strip is working. Done Y N Power up in expansion base? *NOTES 1. On select models, there is a separate reset button. 2. On select models, the notebook can be reset using the standby switch and either the lid switch or the main power switch. Go to "Flowchart 2.8-Nonfunctioning Expansion Base (if applicable)." 2-8 Maintenance and Service Guide

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2–8
Maintenance and Service Guide
Troubleshooting
Flowchart 2.2—No Power, Part 1
1. Reseat the power cables in the
expansion base and at the AC outlet.
2. Ensure the AC power source is active.
3. Ensure that the power strip is working.
Done
Remove from
expansion base
(if applicable).
Power up
on battery
power?
Power up
on AC
power?
Power up in
docking
device?
Power up
on battery
power?
Power up
in expansion
base?
Done
Reset
power.*
Reset
power.*
Power up
on AC
power?
N
Y
Y
N
N
Y
N
N
Y
Y
Y
N
1. On select models, there is a separate
reset button.
2. On select models, the notebook can be
reset using the standby switch and
either the lid switch or the main power
switch.
*NOTES
Go to
“Flowchart
2.4—No Power,
Part 3.”
Go to
“Flowchart
2.3—No Power,
Part 2.”
Go to
“Flowchart
2.8—Nonfunctioning
Expansion Base (if
applicable).”
No power
(power LED
is off).