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ii The floppy drive power connector to the
floppy drive.
iii The Serial ATA connectors (4) to any
computer components that have a Serial
ATA connector, such as a CD/DVD/Blu-ray
or hard drive.
iv The 8-pin PCI-E or 6-pin PCI-E connector
to a PCI-E graphic card.
Caution: Make sure that all connectors are securely connected.
Incorrect connections could prevent your computer from starting
and could damage some components.
5Close your computer case.
6Connect the AC power cord to the power
supply, then to a surge protector or wall outlet.
7Turn on your computer by pressing the power
button on the front of the case.
Note: For more information, refer to your computer’s user guide.
Connector typesTroubleshootingIf your new power supply is not wo rking correctly,
try the following:
• M ake sure that the computer power cord is firmly
plugged into the power cord connector on your
computer.
• I f you are using a surge protector, make sure that
it is plugged in and turned on.
• M ake sure that the wall outlet is supplying power.
For example, plug a lamp into the outlet and turn
it on.
• I f you have the NS-PCW4050/NS-PCW4050-C,
make sure that the red voltage switch (located on
the back of the power supply) is set to the correct
voltage setting. The setting for the United States
is 115 V. The setting for Europe and other
countries is 230 V.
Connector Illustration Connect to
20+4-PIN Main Power
The motherboard
4-PIN+ 12V -
(400 Watt PS only)
The motherboard (for
CPU power)
-------------------------------OR-----------------------------------
8-PIN (4+4) + 12V -
(520 Watt PS only)
The motherboard (for
CPU power)
4-PIN peripheral -
Total 3 connectors
Internal IDE drives
Seri al ATA (SATA) -
Total 4 connectors
Internal SATA drives
Floppy drive
3.25” floppy drive
6-PIN PCI-E
(400 Watt PS only)
PCI Express card (such as
a graphics card) that
requires power
------------------------------OR--------------------------------------
8-PIN PCI-E
(520 Watt PS only)
PCI Express card (such as
a graphics card) that
requires power
NS-PCW4050-NS-PCW5250_14-0324_MAN_V1_ENG.book Page 3 Tuesday, April 1, 2014 7:30 AM