Question about Hi-Pro (HP-P401W) (HPP401W) Power Supply
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Posted on Jan 02, 2017
The fan should run constantly. It needs to be replaced. Otherwise the power supply will shut down when it gets hot. It can usually be replaced, but if the supply is cheap, just go out and get a new one.
Posted on Mar 17, 2009
Disconnect all devices from the power supply EXCEPT the motherboard
Remove any extra cards including video etc.(plug monitor into the onboard)
Switch on and check the fans on the PSU and CPU are running. If not you may want to try a replacement before you go any further.
If you hear any beeps these can indictate where the fault is.
either of these sites below will help you further with that
Beep codes Pc
More beep codes
Power up the pc and see if the fans are working.
If not then double check the power connections to the board.
If you still have no fans it is time to suspect the power supply as the probable cause.
If the fans worked then you should have gotten a display which told you there was an error and offering you a chance to go into the BIOS. ignore it and shut down the PC.
Now connect one drive only and boot again.
Repeat that until you identify the component that is giving you a problem.
Once you find the problem then remove or disconnect and carry on with the rest to see if another component might also cause a problem
If there is only one problem device then you may want to investigate that device further, Unless you don't mind replacing it
Posted on Oct 10, 2009
Yes, it does.
More than likely Electrolytic Capacitors, have gone bad in the power supply.
Electrolytic Capacitors are used in the Input, and Output stage of the HiPro power supply, as Filters.
In the Input stage they filter the incoming AC voltage.
In the Output stage they filter the rectified AC.
(AC is rectified into DC. The capacitors are filtering DC at this point.
AC = Alternating Current
DC = Direct Current
A flashlight battery is an example of stored DC)
The HiPro power supply you have produces three main voltages. Three voltage Rails.
When Electrolytic Capacitors go bad, or are failing, there is a weak voltage rail.
HiPro power supply's are cheaply mad.
1.The wiring is too small. (The gauge of the wire is below standards)
2.The Electrolytic Capacitors are of low quality.
3.The rectifier bridge has cheap diodes, and too small of a heatsink.
I could go on, and on.
When you have a power supply with a weak voltage rail, there is not enough power for the Processor.
1.ALL the lights use less than 1 Watt.
2.EACH fan uses 2 to 3 Watts.
3.A typical Processor can use 55 to 125 Watts!
[Depends on what processor it is.
This is why lights - light, and sometimes fan's will spin, but the computer won't run.
Not enough power for the Processor.
Replace the power supply.
Viewing this link,
,you can see the HiPro D3057FR3 power supply has just the usual ATX shape, and size.
The ATX 'Form Factor' power supply, is used in approximately 90 percent of computer towers.
[Form Factor usually denotes towards a motherboard. An ATX form factor motherboard is 9.6 inches by 12 inches. Form Factor means the size, and shape.
The Form Factor designation, has been used towards certain hardware parts in a computer, as well as the computer case, but this is erroneously used. It does make it easier to identify with, though. That's why I used it here]
Point I'm getting to?
1.See if you have another Known, GOOD, ATX power supply to use for a test. Test my statements above before you go out, and buy another power supply.
Do you have another computer that has a good power supply, but may have other issues, that you can borrow the power supply out of, to use for a test?
Another thing. This manufacturer overstates the actual rated Wattage. The actual wattage is more like 70 percent of what is stated.
They state 300 Watts - Maximum, but in reality it is more like 210 Watts.
It is for this reason, and the reason that components used in the above power supply are cheap, that I would recommend buying a different power supply, than buying another HiPro.
(Therefore,.NO, I do not recommend the one in the link above, as a direct replacement)
What power supply that fits your needs would I recommend, that is a decent quality power supply, and won't break the bank?
OCZ StealthXStream 400 Watt.
Because it has 80 percent of the true rated wattage.
320 Watts actual.
Because it is reliable.
Because it has all the power cables you need.
Because it is $28 USD after the rebate.
I'm sticking my neck out recommending a particular power supply here, as this goes against our TOS, but if you have no background in this area, how are you going to know what to look for?
I am not recommending the website. But I have used them repeatedly, and always to my satifaction.
Posted on Nov 27, 2009
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