Question about HP Pavilion A730N (PJ510AA) PC Desktop

3 Answers

Power doesn't turn on

I have a hp pavilion a730n, had a blackout yesterday and when everything turned back on, the computer still refused to work.
The green light in the back is still flashing (fairly rapidly), but when I push the button in the front, the computer still doesn't turn on.
Any suggestions?

Posted by on

  • deuil Mar 10, 2008

    does this mean I can't fix it manually?

  • melissagordo Nov 20, 2008

    Its dead. I'm annoyed. Thats pretty much all I can say. Thanks for posting this by the way.

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3 Answers

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Your answer might be here:

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&lc=en&cc=us&dlc=en&product=431078&os=228&rule=21100

Posted on Jul 01, 2008

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NO! Do not buy a new motherboard or pc without checking some things.

First, is the green light you say is blinking on the Power Supply itself?

If it is, then the power supply is dead. A blinking light on a PSU means that it can no longer hold a charge and needs to be replaced. Get a new one and pop it in.

Posted on May 01, 2008

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I suggest that your power supply and/or motherboard were wiped out by the power on the way back up(that's usually what kills them)..

next time, you might consider a UPS instead of a power surge strip..

Posted on Mar 10, 2008

  • Patrick Michaels
    Patrick Michaels Mar 10, 2008

    sure you can..you just have to get a new motherboard and power supply and cross your fingers that you only lost those two components, and not the memory and uP as well.


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Cannot get any sound out of system in device manger it tells me the audio device is working properly. help appreciated. computer is hp pavilion a730n Lyle


Lyle,
You need to download the audio driver, and install it.
Just had to do this with my Gateway after a Restoration.

This is HP Support, and the main support page for the Pavilion a730n desktop computer,

http://h10025.www1.hp.com/ewfrf/wc/product?product=431078&lc=en&cc=us&dlc=en&submit.y=5&submit.x=1&lang=en&cc=us

On this page left-click on the heading -
Software and Driver Downloads. (Ampersand for and)

On this page choose your Operating System.
I chose Windows XP for an example.

(Left-click on the blue down arrow to the left of the box, that has Select in it. Then left-click on the Operating System your computer is using. Now left-click on Next)

Left-click on the + sign to the left of -
Driver - Audio (1)
Now left-click right on the file name -
Realtek High Definition Audio Driver Update

Left-click on Download.
(In blue rectangular box with two right arrows)

Instructions from HP Support for downloading, and installing:

Installation Instructions1. Download the driver update.
2. Double-click the icon for the update file downloaded in Step 1, and then click NEXT.
3. Accept the terms in the HP license agreement, and then click NEXT.
4. Click YES and wait for the update to complete.
5. Click YES to restart your PC.

Once you have restarted your computer, and Windows has full loaded, you should get a pop-up out of your system tray.
Your audio (Sound) should be back now.

If this doesn't work the only alternate suggestion I may offer, is to but an inexpensive sound card, and install it.

(Computer unplugged from power, follow Anti-Static Precautions.
Don't forget to install the CD disk from the sound card FIRST, then install the sound card)

If you have additional questions regarding this, please post in a Comment.

Regards,
joecoolvette.

(Would like to hear from you so that I know you read my solution, thanks)

Oct 05, 2010 | HP Pavilion A730N (PJ510AA) PC Desktop

1 Answer

My a730n computer will not turn on. The green light flashes in the back. Local frys tested power supply and said it was working. Fans dont come on...nothing?


it could be a mother board problem or Power supply issue. Even if the power supply works it wont supply required voltage to some components.Its better you get a new power supply and test it.Still its not working it could be a mother board issue.There will be a chance for power button issue also.

Aug 24, 2010 | HP Pavilion A730N (PJ510AA) PC Desktop

2 Answers

My a730n will not turn on and the green led power light on the back is flashing


This indicates there is a problem with the Power Supply.
You have a weak voltage power rail.
Components inside the power supply have failed.

Most of the time this due to the power supply, as well as the inside of the computer is dirty.
The rest of the time it is due to a cheap quality power supply from the computer manufacturer.

You can be the best housekeeper in the world, but inevitably dust, dirt, and other material is drawn into your computer.
Your computer uses air to cool the hardware components inside.

Air is drawn in through the front of the Pavilion a730n, and is exhausted out of the back.
(There is one computer case fan in the back, and the Power Supply fan also helps)
This is the computer's Cooling System.

The cooling system for the Power Supply is a fan on the back of the unit, and Heatsinks that are inside.

(A Heatsink is a small plate of metal, with tall fins on it. The Heatsink works as a small radiator. Heat is absorbed up through the fins. Air is drawn through the fins, and heat is pushed away by the air)

When the fan blades, center hub, and surrounding cage become clogged with the above mentioned material, the cooling capacity drops tremendously.
Same thing for the Heatsink fins when they become clogged.

Heat = Wasted Energy
The Power Supply strains to keep up with the power load that is needed, and the additional loss of energy, (Power), that is lost due to heat.

Eventually components inside the Power Supply fail.

Commonly it is the Electrolytic Capacitors that fail first.

Computer manufacturer's commonly use cheap quality Power Supply's. They buy them from a Power Supply manufacturer.
Cheap quality = the computer manufacturer saving money, because the unit's cost them less.

1) Cheap Electrolytic Capacitors
2) Too small of a gauge of wiring is used
3) Cheap quality Rectifier Bridge
4) Cheap MOSFET's
The list goes on.

Solution is to replace the Power Supply.
Power Supply's come in many sizes, and power designations.

The HP Pavilion a730n uses the common size, and shape of Power Supply, used in 90 percent of personal computers. ATX

The power designation is 300 Watt.
Usually it is a Bestec, Delta, or HiPro power supply that is used.
C-H-E-A-P!

Based on personal experience, I would recommend this power supply for a replacement unit,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=4675269&CatId=1078

Not an advertisement for said website. You may find a better price by searching.

Know this:
A computer only uses the power it needs, and no more.
Example:
You could install a 1000 Watt power supply in your computer, (Not actually. It will not fit), and if your computer only needs 100 Watts,
it only uses 100 Watts.

(Typically surfing the internet uses 100 Watts. Same as a 100 Watt light bulb)

This is HP Support, Pavilion a730n, and the Manuals page,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&product=431078&lang=en&

On this page you can download the Part Replacement Instructions manual.
Has large illustrations, to show how to replace parts inside the Pavilion a730n Desktop PC.

Power Supply replacement is shown.

From me:
If this is your first time in replacing a computer hardware component, this may seem like a daunting task. Once you are finished you'll realize it wasn't all that tough.

Inside your computer you'll see many cables, (Wires)
You'll see cables coming from the Power Supply, that go to the various hardware components inside.
(Motherboard, Harddrive, and CD/DVD drive/s)

Power cables from Power Supply
1) You have a cable with many wires in it. It has a white connector on the end, and is long in shape.
It has 24 socket holes.
It's a 24-pin ATX main power cable.

Connects to the motherboard. To release it from the motherboard, there is a lock tab on the side of the connector. Press the lock tab at the top. This pivots the lock tab, and draws a hooked end, out of the side of the motherboard connector.

Gently wiggle the connector side to side, while depressing the lock tab, ease it up.
(Side to side lengthwise)


2) You have 4-pin Peripheral power cables. (Also referred to as Molex)
White in color, 4 wires. (Red, Yellow, and two Black)

One to each CD/DVD drive you have.

3) You have One SATA power cable. Connects to the SATA Harddrive

4) You have One 4-pin ATX +12 power cable. The connector is square in shape.
Has two Yellow wires, and two Black wires.

This power cable is for power to your Intel Pentium 4 processor, and Must be plugged in.
Plugs into the motherboard.

This link shows the various power cables, and connectors, that I listed above.
(Large photos, and clear information)

http://www.playtool.com/pages/psuconnectors/connectors.html

(Scroll the page down, to view all of the power cable connectors. Click on a photo of a connector, to view more information about it)

Should you need more information, just click on Comment, and type it out. (Believe top right of your page)

Jan 12, 2010 | HP Pavilion A730N (PJ510AA) PC Desktop

2 Answers

It is not turning on, the green back ligth is blinking


You probably need a new power supply. Check the capacitors inside the power supply, they're probably popped. If they're not popped, bring it to a computer repair shop and have them test it. Your board could be bad, too.

Aug 07, 2009 | HP Pavilion A730N (PJ510AA) PC Desktop

2 Answers

Hp Pavilion a730n unknown issue


You might want to check the CPU fan for dust and re-seat the RAM. I sounds more like a heat issue.

Mar 18, 2009 | HP Pavilion A730N (PJ510AA) PC Desktop

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Power Supply


is there a problem you are encountering? does your pc shutting down? what is your present power supply wattage? if that is 300watts then you can change even 450watts.

Nov 27, 2007 | HP Pavilion A730N (PJ510AA) PC Desktop

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