Question about HP Pavilion a810n (PP164AA) PC Desktop

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Replacing power supply to hp pavillion a810n and don't know how to connect all the wires. we bought dynex 400 watt power supply.

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The secret: all the wires are oriented (you cannot plug the in backward), and your replacement
power supply must have a connector for each of your peripherals.
Even the connector going to the motherboard is oriented.
Make sure everything on this list has a power connector plugged into it, then
power up the desktop system and compute.

1. motherboard
NOTE: everything below in the list resides in a peripheral bay
2. HDD (hard disk drive) (there may be several)
3. FDD (floppy disk drive)

If you run out of connectors, buy a "Y-connector" at your local "Computer Goodies" store.
As you connect these devices try to utilize proper anti-statis techniques - meaning, if you don't have an anti-static strap to clip onto the Pavilion A810N frame, then be sure to ground yourself
by touching the frame with a forearm or something as you make/unmake the power connections,
while at the same time try to avoid touching the (CMOS-based) IC chips or PC board surfaces.
External drives (incl tape drives) get their own power - not from your 400W Dynex.
Your computer monitor will also gets its own power (from a 120VAC 3-prong CEE cord)

Posted on Mar 18, 2011

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The biggest plug goes on the motherboard, usually it's on the right hand side in the middle.
There's either a 4 pin or 8 pin connector that does on the top left of the processor (the fan that is on the motherboard), there's a small connector that should go to the hard drive and the optical drive. It looks like a rectangle. It shouldn't have any pins and should slide into the right of the sata connections.

Posted on Mar 18, 2011


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I have a burned out Bestec ATX-250-12z power supply for a hp pavilion a320n. I need to know if a Dynex® - 400-Watt ATX CPU Power Supply, will work in its place.

yes it should do provided your current psu is not a small mATX one. ATX power supplies are pretty generic. Make sure you get one that has enough connectors to suit your system, having said that, Considering it's an off the shelf PC I would guess most PSU's would have the right number and type of connections.

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Old power supply no good. bought this dynex 400 watt atx cpu power supply and need to know how to connect wires as there are some plugs that can go in multiple spots.

as long as you have the 20 or 24 plug in and the 4pin square plug in plus the hard drive dvd floppy fans i donot no your motherboard or graphic card so i cannot say anymore only next time write down your conections before removing power supply or get manual for your pc

Jul 30, 2009 | Dynex 400-Watt ATX CPU Power Supply

1 Answer

Need a power supply to replace a Dynex DX-PS400W

Any power supply with the same pins will do. Just choose a good brand and with same rating or better higher(400 watts or more).

Sep 14, 2008 | Dynex Computers & Internet

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