Question about HP 365-Watt Power Supply

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I have a HP M8417c with a 365-Watt Power supply.

The light on the power supply is a steady green but the computer will not turn on and the fan on the power supply wont run. I disconnected everything from the motherboard and the power supply still will not run.

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  • 206 Answers

The power supply is very inexpensive and can most likely be bought from any of your computer retailers, Amazon - Just make sure to confirm the right model type of power supply. BEST to have it tested before replacing it. To make sure that is the issue..

Posted on May 13, 2014

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Posted on Jan 02, 2017

bronk50
  • 27725 Answers

SOURCE: Green light on power supply

if the cooling fan on your PSU power supply unit does'nt spin when you start your PSU is faulty if it does then
replace all the leads that attach to your hard drive including electrical extensions + IDE,SATA the ones that attach from your motherboard to hard drive
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?
hope this helps

Posted on Oct 22, 2010

rommelalilin
  • 2178 Answers

SOURCE: My hp Pavilion a847c shut

Yes - replace the power supply. It is flashing because the regulator is bad or there are bad capacitors in the power supply.

Posted on Jan 22, 2011

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Steady green light in the back--have reset the memory cards and checked all connections. I took cover off plugged power in and the green light comes on steady once again but th e fan doestn run and the...


replace your power supply you have lost your 12 volt supply coming from your power supply
but you have your other power supply voltages still working

Sep 30, 2013 | HP Computers & Internet

1 Answer

Green power supply light is flashing so power is getting to the computer, however the computer will not start from start button. Have removed case and tried ***** start button. Didn't work. Comput


Power getting to the computer/Power Supply?
Yeah.

Power Supply good? -> NO

A) IF ALL of the LED lights were on at once, they would use less than 1 Watt of power.

B) EACH fan uses 2 to 3 Watts of power.

C) A typical Processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

HP Pavilion a810n Desktop PC?
Uses an AMD Athlon 64 3300+ processor,
(Operates Up To a frequency rate of 2.4GHz)

http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=c00280647

http://en.wikipedia.org/wiki/List_of_amd_athlon_64_microprocessors#.22Newcastle.22_.28CG.2C_130_nm.29

Can use up to 89 Watts of power.

Your Power Supply doesn't even have enough power to spin fans, much less start the Processor.

Want to test the Power Supply? Have a multimeter?
No? Have a power supply you can borrow for a test unit?
KNOWN to be good, and Compatible?

For additional questions please post in a Comment.
Regards,
joecoolvette

Aug 05, 2012 | HP Computers & Internet

1 Answer

HP 5188-2655 power supply green light is not solid just light and won't turn the fan on & the computer. What it does mean?


Take the power supply to a retailer or computer shop in your local area to be tested. Pretty standard from what I have found out.
Bestec ATX 300 12Z Rev DDR Replacement Power Supply HP 5188 2625 Have a great day.

Mar 19, 2012 | HP ATX-300-12Z (ATX30012ZBD) 300-Watt...

1 Answer

Green light on power supply flashes rapidly when I plug the computer in. Computer will not power up at all (no cooling fans start, no lights illuminate and no beeps come from the unit). When the power...


if the cooling fan on your PSU power supply unit does'nt spin when you start your PSU is faulty if it does then
replace all the leads that attach to your hard drive including electrical extensions + IDE,SATA the ones that attach from your motherboard to hard drive
make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?
hope this helps

Oct 21, 2010 | HP ATX-300-12Z (ATX30012ZBD) 300-Watt...

1 Answer

Green light in rear flashing won't part up


The green light flashing is a diagnostic LED light, telling you there is a power failure.
More specifically a bad Power Supply.
Weak voltage power rail.

The Power Supply used in a Compaq Presario SR1010Z desktop computer, is a 300 Watt unit, and is an ATX form factor.

[ATX form factor for a Power Supply, denotes the size of the Power Supply case, and the shape.
It is approximately 6 inches Long, 6 inches Wide, and 3-1/2 inches Tall.
The ATX form factor for a Power Supply is used in over 90 percent of the personal computers out there, and is as readily available as the air we breathe]

Usually, HP uses one of three generic Power Supply manufacturers.
1) Bestec
2) Delta
3) HiPro

All are low quality Power Supply manufacturers.

This is HP Support, and the main menu page for the Compaq Presario SR1010Z desktop computer,

http://h10025.www1.hp.com/ewfrf/wc/product?product=1146324&lc=en&cc=us&dlc=en&submit.y=7&submit.x=6&lang=en&cc=us

If you click on Manuals, then on Upgrading and Servicing Guide on the following page, there are instructions on how to open your computer case.

This is instructions on how to replace a Power Supply, from HP Support,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01356113&cc=us&lc=en&dlc=en&product=3548196

(It's for a Pavilion a6230n desktop computer, but after you open the computer case of your Compaq Presario SR1010Z, the instructions are the same)

What Power Supply would I recommend?
There are 100's to chose from.
This is but one example,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3276575&CatId=1078

Chosen because;

1) Maximum wattage is rated at 450 Watts.

A computer ONLY uses the power it needs, and NO more.
Wouldn't matter if you had a 10,000 Watt power supply, (No such thing. An exaggeration), if your computer only needs 100 Watts, it would only use 100 Watts.
(Surfing the internet typically uses 100 watts)

2) Has all the power cables you'll need, and more. Tie up the power cables you do not need. (Use plastic ties, Not wire, or bread wrapper ties)

3) 24 Amperes (24A) on the 12 volt power rail.

4) 135mm cooling fan.
The cooling fan on the Power Supply you have now is 80mm.

A larger fan turns slower. Produces as much air as a smaller fan, (Or more), but makes less noise.
Less wear on the fan's bearings also.

5) Is an ATX form factor Power Supply.

6) It's 80 percent efficient, compared to the 60 percent efficient Power Supply you have now.
(That is, if it was working)

Sep 12, 2010 | HP Compaq Presario sr1010z PC Desktop

1 Answer

Flashing green light on power supplyonly fans come on at start up


just open ur pc case replace the ram and all connections for 5 to 10 min clean dust inside pc and also clean ram and put back in to pc and restart i hope ur comp will be right back to normal!

Aug 02, 2010 | HP (152769-001) (152769001) 250-Watt Power...

1 Answer

The green power light on the PSU is on but the machine will not power up PSU is an HP5188-2627. The machine (HP m7580uk) has been on for an extended period of time but was working fine until it was finally...


Power supply failure, or the Power On switch. (Behind the Power On button)

My money's on the power supply failure.

Why?
It's the leading case of computer failure. The power supply is the 'Heart' of a computer. (Processor is the 'Brain', Motherboard is the 'Building Block')

Computer was on for an extended length of time? Was the computer ever turned off, and the inside of the computer cleaned out on a regular basis?
(Power supply also)

Normal procedure is to unplug the computer from power, open the computer case, and use a can of compressed air for computers.

Power supply light is on?
This is what is going on.

Computer power supply's are rated in Wattage, for power.
Voltage times Amperage = Wattage

The HP 5188-2627 power supply, supplies three main voltages. It has three main voltage power rails.

1) The 3.3 Volt rail
2) The 5 Volt rail
3) The 12 Volt rail

Your power supply has a weak voltage rail.

A) ALL the lights use less than 1 Watt of power.
B) EACH fan uses 2 to 3 Watts
C) A typical Processor uses 55 to 125 Watts.

There isn't enough power from the power supply to turn the Processor on.

Solution is to replace the power supply.
It may seem a little daunting for someone replacing a computer power supply, the first time.

After you have replaced one, it becomes easier.
Essentially you are just opening the computer case, unplugging the power cables from the power supply to the various hardware components, and removing the power supply.

To install just reverse these steps.

The power supply in your computer is a 300 Watt power supply. (Maximum wattage)

The size, and shape of the power supply, is one that is used in over 90% of personal computers.
ATX

What I would I recommend for a replacement?
Not one of the cheap quailty Hi-Pro's that HP used, that's for sure!

An OCZ StealthXStream 400 Watt is what I would recommend.
Why?

1) It will fit
2) It has a 140 Millimeter fan compared, to the 80mm fan that your old power supply has.

A larger fan means it will run quieter, due to the fact that it won't have to turn as fast, in order to put out as much air.
Will actually put out more air than that 80mm fan, and will spin slower.

3) Has two 12 Volt power rails.
One 12 Volt rail can deliver 17 Amps.
The other 12 Volt rail can deliver 14 Amps.

You can add the two 12 Volt power rail Amp's together, for 31 Amps.

Means less strain for the power supply, to keep up with the tasks.
(Your old power supply probably has an 18 Amp, 12 Volt power rail)

4) Has all the power cables you'll need.

5) Price, and reliable quality.

This is one place that carries them,

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

There are other places also. Not advertising for the above website, nor the power supply manufacturer.
Just my personal preference, based on experience with both.

A computer only uses the power it needs, and NO more.
If you install a 1000 Watt power supply in your computer, and the computer only needs 100 Watts, it only uses 100 Watts.

(Surfing the internet typically uses 100 Watts of power. Like a 100 Watt light bulb)

This may help guide you in replacing the power supply,

http://www.hardwaresecrets.com/article/362

Jan 03, 2010 | Computers & Internet

2 Answers

Computer will not turn on. Power supply shows flashing green.


depending on the make of computer, a power supply cost's around $20.

Mar 12, 2009 | HP Media Center m1080n (PC099A#ABA) PC...

2 Answers

ATX Bestec 1956F Power Supply Failure


sounds like your power supplie has not been switched on by *********** board.the fan will not turn on until power supplie is turned on by mb.as far as what is wrong there are several things i can think of.i would try resetting bios. It sounds like your power supplie is working and your motherboard could have a short.but i have no way to be sure without testing. I can however tell you how to perform a test on your power supplie.unplug the 20 or 24 pin connector from your mb. look for a green wire,and then locate the grey one.short these two together(you can use a paper clip or something).if it dosnt power up. your power supplie is bad.also do not short any other wires,and only touch the grey and green for a few seconds as this is not how it was intended to be powered on.

Mar 03, 2009 | Bestec ATX-1956F (ATX1956F) 200-Watt Power...

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