Question about HP Bestec ATX-250-12ZD 250w HP Pavillion Zinfandel Power Supply Part 5187-1098 (ATX25012ZD) Power Supply

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I bought a HP 6710f Pavillion desktop, running windows 7, and found out it only has a 250 watt power supply. I turned around and bought an Antec Greenwatts 500 watt ATX 12v v2.3 psu to install for future upgrades. I was told by a tech service person from Antec the psu may not work, but he didn't say it wouldn't work. Before I packed it up and sent it back paying shipping a a 15% re-stocking fee, I thought I would ask for a second opinion. Additional specs: Manufacturer's motherboard name: N-Alvorix-RS880-uATX (Alvorix) HP/Compaq name: Alvorix Form Factor uATX form factor: 24.4cm (9.6 inches) x 24.4cm (9.6 inches). Chipset AMD 785G Processor: AMD Athlon II 640 Quadcore Any opinions are greatly welcome thanks-a-lot

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  • Master
  • 449 Answers

Presuming you mean the Earthwatts 500:
Should work, though the Earthwatts has the 24 pin ATX instead of the 20-pin.
http://www.atxpowersupplies.com/manuals/Antec-Earthwatts-EA-500D-user-manual.pdf
You just need to snap the 24-pin connector apart to make it work as a 20-pin. It can be snapped back together for future motherboards.
The Bestec is just a standard ATX power supply

Posted on Mar 23, 2011

  • rockowb Mar 24, 2011

    Yes, it is a Earthwatts 500. Thanks, I'm gaining confidence, one last thing I would like to know, I could not get information from HP support on the whether the Bestec uses a 12v v2.2 or 2.3 or some other version. Does this make a difference. If it doesn't, and this psu works in the HP 6710f, I want to put the 250 watt Bestec into an old Dell Dimension 4400 with a pentium 4 running xp. The Antec tech guy said Iwould need a vesion 1.3 compatible. So you can see why I am following up with this question on if the different versions make or break an upgrade or switchout. FYI, thedell desktop won't turn on, so I figured I throw the 250 watt psu in it to ke it work, not to make it better.

    thanks again!!!!!!!

  • Phil
    Phil Mar 24, 2011

    All of the newer ATX versions are backward compatible to older ATX versions.

    Fortunately, the Dell Dimension 4400 was made AFTER the era when Dell used their own non-standard power supplies, so I anticipate that any standard ATX power supply (including the Bestec or even the Earthwatts) will work in the Dell.

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1 Answer

Want to know power consumption of a hpsr5410f


The HP Pavilion w1907, 19 inch Widescreen monitor, RK283AA,
uses 49 Watts in operating mode, 2 watts in sleep mode.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00916924&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=3351967

The Compaq Presario SR5410F Desktop PC, has a 250 Watt power supply. (Maximum wattage rating )

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01374067&tmp_task=prodinfoCategory&cc=us&dlc=en&lc=en&product=3686678

Theoretically.

Back in the day when this computer was made, Power Supply manufacturers were 'fudging' a bit on the truth.

(HP has their Power Supply's made by another company.
Bestec, HiPro, and Delta, are three of them )

Actual wattage is more like 60 to 70 percent, of what is stated.
250 divided by 10 = 25.
25 times 6 = 150 (60 percent)
25 times 7 = 175 (70 percent)

Your Power Supply's actual maximum rated wattage, may be as low as 150 Watts!

Going with the Power Supply produces a maximum of 250 Watts;

If you are playing an intense game, or have several programs running at once, you MAY reach using 250 Watts.

Just surfing the internet? About 100 Watts.

Desktop PC plus Monitor:
1) Surfing Internet: 149 Watts, or let's just say - 150 Watts

2) Computer is maxed out running hard?
249 Watts, or let's just say 300 Watts.

Voltage times Amperage = Wattage
Wattage divided by Voltage = Amperage

Number 1 above? About the power it takes to use a 100 Watt light bulb, and a 50 Watt light bulb. (Incandescent)

Number 2? About the power it takes to run three 100 Watt light bulbs.
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The power supply cant perform the computer


If your referring to the lack of power. A 250 watts power supply is relatively old compared to the new power supplys on the market today. With technology booming these days more and more demand for power on desktops is needed to run more devices. An upgrade in power supply is fairly inexpensive these days and very easy to change. You can find one at any local electronics store. My suggestion would be to order online and get a much better price. Cost should be from the ranger of around 24.00 and up depending on where you buy and what manufacturer.I would suggest a minimum of 500 watts. Good luck to you and thanks for visiting FixYa.com.



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I have an hp pavilian atx-250-12z and the tower itself will turn on and the mouse to will turn on but the monitor gets no signal and the keyboard will not turn as well..I have unplugged the cpu while...


Whom ever told you too: "Unplug the cpu while holding down the power button".

Is telling you something that can "seriously damage" your cpu and computer.

Or did you mean "PSU" if so there is a particular format to do a Power supply check.
For the proper way use this link: http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&lc=en&cc=us&product=405227&dlc=en&lang=en#N207

Also many other things can cause the problems your having. Could be your motherboard too.

If this does not work, post again be sure to include HP Pavillion Model number and Operating System (i.e. XP, 7 or Vista) that way we can help pin point your system needs. Also have you done any internal repairs lately? Recheck all your connections too.

If you find this helpful please vote.

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