If There Is No Power - HP Vectra Vli 8SF Supplementary 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, when the PC is
open and switched on, do
not touch any of the
internal components with
a screwdriver or other
metal instrument.
If the PC still does not start
Check that...
The PC's power cord is Connect the power cord to a grounded power
correctly connected. outlet and the PC.
The PC's power outlet is Plug a light into the grounded power outlet and
working. check it illuminates.
The PC voltage switch is 1
correctly set. 2
3
4
None of the internal 1
devices are causing the 2
problem. 3
4
5
6
There is not a problem 1
with the power supply
unit.
2
1 Troubleshooting Your PC
If There Is No Power
How
Disconnect the power cord.
Select the correct setting.
Reconnect the power cord.
Start the PC.
Disconnect the PC's power cord.
Remove the PC's cover.
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 the same model
of PC.
If the PC starts, contact HP Support or your
authorized dealer, the power supply unit
might need replacing.
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