No Power; Pc Does Not Start. No Power - HP Vectra VL600 Supplementary Manual

1 Troubleshooting Your PC
Troubleshooting Help Zone

No Power

Problem
PC does not start – the PC's
power-on indicator is not
on.
More Advanced Troubleshooting
WARNING: for your safety,
do not open the PC when
the power cord is
connected.
If the problem persists, contact your authorized support provider
16
Possible cause To try and fix this...
The PC's power cord is Connect the power cord to a grounded power
incorrectly connected. outlet and the PC.
The PC's power outlet is not Plug a light into the power outlet and check it
working. works.
The PC voltage switch is 1
incorrectly set. 2
3
4
One of the internal devices 1
is causing the problem. 2
3
4
5
6
7
Problem with the power 1
supply unit.
2
Disconnect the power cord.
Select the correct setting on the voltage
switch located beside the power connector in
the rear of the PC.
Reconnect the power cord.
Start the PC.
Disconnect the PC's power cord.
Remove the PC's cover.
Check all required internal components are in
place.
Remove internal power connectors from all
internal devices.
Reconnect the power connectors one by one
to the internal devices to see which device is
defective.
Replace the PC's cover each time, reconnect
the PC's power cord and restart the PC.
Contact your authorized support provider.
Replace the power supply unit by a known
working power supply from the same model
of PC. See page 71 (desktop) or page 109
(minitower).
If the PC starts, contact your authorized
support provider. The power supply unit
might need replacing.