HP Vectra VEi8 HP Vectra VEi7, Troubleshooting and Upgrade Guide - Page 14

If There Is No Power, Start the PC.

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1 Troubleshooting Your PC If There Is No Power If There Is No Power Problem Check that... How PC does not start - the PC's power-on indicator is not illuminated. The PC's power cord is correctly connected. The PC's power outlet is working. Connect the power cord to a grounded power outlet and the PC. Plug a light into the grounded power outlet and check it illuminates. The PC voltage switch is correctly set. 1 Disconnect the power cord. 2 Select the correct setting. 3 Reconnect the power cord. 4 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. None of the internal devices are causing the problem. 1 Disconnect the PC's power cord. 2 Remove the PC's cover. 3 Remove internal power connectors from all internal devices. 4 Reconnect the PC's power cord. 5 Reconnect the power connectors one by one to the internal devices to see which device is defective. 6 Contact HP Support or your authorized dealer. If the PC still does not start There is not a problem with the power supply unit. 1 Replace the power supply unit by a known working power supply from the same model of PC. 2 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 14

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1
Troubleshooting Your PC
If There Is No Power
14
If There Is No Power
Problem
Check that...
How
PC does not start – the
PC’s power-on indicator
is not illuminated.
The PC’s power cord is
correctly connected.
Connect the power cord to a grounded
power outlet and the PC.
The PC’s power outlet is
working.
Plug a light into the grounded power outlet
and check it illuminates.
The PC voltage switch is
correctly set.
1
Disconnect the power cord.
2
Select the correct setting.
3
Reconnect the power cord.
4
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.
None of the internal
devices are causing the
problem.
1
Disconnect the PC’s power cord.
2
Remove the PC’s cover.
3
Remove internal power connectors from
all internal devices.
4
Reconnect the PC’s power cord.
5
Reconnect the power connectors one by
one to the internal devices to see which
device is defective.
6
Contact HP Support or your authorized
dealer.
If the PC still does not start
There is not a problem
with the power supply
unit.
1
Replace the power supply unit by a
known working power supply from the
same model of PC.
2
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