Compaq Presario 18XL Maintenance & Service Guide Presario 1800/1800T Serie - Page 66

Power Solutions, Power, Problem, Probable Cause, Solutions

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Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Power Solutions Some causes and solutions for power problems are listed in the following table. See also Battery Pack/Gauge Solutions in this chapter. Problem Notebook will not turn on and the battery pack is not inserted. Notebook turned off while it was left unattended and the Power ª icon is off. Power Probable Cause Notebook is not connected to a power source. Power cords to the external power source are unplugged. Power adapter is defective. System initiated Hibernation after a preset timeout. System initiated Hibernation due to a critical low-battery condition. System board is defective. Solution(s) Insert battery or connect an external power source. Ensure that power cords connecting the Notebook and the external power source are plugged in properly. Replace AC Adapter and restart. Turn on the Notebook. Replace the battery pack with a fully charged battery pack, or connect the Notebook to an external power source. Then turn on the Notebook. Replace the system board. 30 TROUBLESHOOTING PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1800 SERIES

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30 T
ROUBLESHOOTING
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Power Solutions
Some causes and solutions for power problems are listed in the following table. See also
Battery Pack/Gauge Solutions
in this chapter.
Power
Problem
Probable Cause
Solution(s)
Notebook will not turn
on and the battery
pack is not inserted.
Notebook is not connected to
a power source.
Insert battery or connect an
external power source.
Power cords to the external
power source are unplugged.
Ensure that power cords
connecting the Notebook and the
external power source are
plugged in properly.
Power adapter is defective.
Replace AC Adapter and restart.
Notebook turned off
while it was left
unattended and the
Power
ยช
icon is off.
System initiated Hibernation
after a preset timeout.
Turn on the Notebook.
System initiated Hibernation
due to a critical low-battery
condition.
Replace the battery pack with a
fully charged battery pack, or
connect the Notebook to an
external power source. Then turn
on the Notebook.
System board is defective.
Replace the system board
.