If There Is No Power - HP Net PC 20 Troubleshooting Manual

If There Is No Power

Problem
PC does not start – the
PC's power-on indicator
is not illuminated.
If the PC still does not start
WARNING: For your
safety, never remove
the PC's cover without
first removing the
power cord from the
power outlet, and any
connection to a
telecommunication
network. Always
replace the cover
before switching the
PC on again.
If the PC still does not start
WARNING: To avoid
electric shock, do not
open the power
supply. There are no
user serviceable parts
inside.
If the problem persists, contact HP Support or your authorized dealer
Check that...
The PC's power cord is Connect the power cord to a grounded
correctly connected. power outlet and the PC.
The PC's power outlet is Plug a light into the grounded power outlet
working. and check it illuminates.
None of the internal
•
devices are causing the
•
problem.
•
•
•
•
It is not the power
•
supply unit that is
causing the problem.
•
1 Troubleshooting Your PC
If There Is No Power
How
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.
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.
English 8