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61
4 Troubleshooting Your PC
If There Is No Power
If There Is No Power
Problem
Check
How
PC does not start – the
PC’s power-on indicator
is not illuminated.
PC power cord is
correctly connected.
Connect the power cord to a grounded
power outlet and the PC.
PC power outlet is
working.
Plug a light into the grounded power outlet
and check it illuminates.
PC voltage switch is
correctly set.
•
Disconnect the power cord.
•
Select the correct setting.
•
Reconnect the power cord.
•
Start the PC.
If the PC still does not start
WARNING: for your
safety, when the PC is
open and switched on,
do not touch any of the
internal components
with a screwdriver or
other metal instrument.
Check if any of the
internal devices are
causing the problem.
•
Disconnect the PC’s power cord.
•
Open the PC.
•
Remove internal power connectors from
all internal devices.
•
Reconnect the PC’s power cord.
•
Reconnect the power connectors one by
one to the internal devices to see which
device is defective.
•
Contact HP Support or your authorized
dealer.
If the PC still does not start
Check if the power
supply unit is causing the
problem.
•
Replace the power supply unit by a
known working power supply from
another similar PC.
•
If the PC starts, contact HP Support or
your authorized dealer, the power supply
unit might need replacing.
If the problem persists, contact HP Support or your authorized dealer
bird.bk : bird-up4.fb4 Page 61 Tuesday, June 9, 1998 2:38 PM