Question about Dell HP-P2507FW Power Supply ** FREE DELIVERY ** (HPP2507FW300WB) Power Supply

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Dell HP-P2507FW Power Supply

I have this power supply in my Dell 3000. The cooling fan that blows across the heat sink works an so does th fan inside the power supply. None of my USB ports work when I plug something into them. My monitor only shows message enabling power saver mode, push any key on keyboard. I cannot do this because the UB keyboard does not work. Question is how do I tell if my problem is my Motherboard or my power supply?

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Before Working Inside Your Computer Dell HP-P2507FW Power Supply - notice.gif NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
You can try resetting the motherboard.To do the same follow the following steps

1. Disconnect all the cables from the back of the computer
2. Look for a silver coin shaped battery on the motheboard.
3. Pry the battery out using a filer or falt head srewdriver. Be careful not to damage the motherboard
4. Press the power button in the front for 5 seconds
5. Reinsert the battery
6. Reconnect the keyboard ,monitor and power cord and power on the system

for advaced troubleshooting refer to the following link
http://tinyurl.com/5cs2we

Thanks
Proton

Posted on Nov 01, 2008

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When my unit was set at 120volts...I plugged it into a 250volt circuit ... loud pop ...can it be fixed


Hello, Doing something like that,chances are you blew the powersupply , and hopefully nothing else. You can replace just the powersupply 50 dollars or less, if that doesn't fix it will have have to be serviced.

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If the fan is failing the most times the computer will not start because it will overheat. There are two fans inside the system, one inside the Power Supply and one that sits on the motherboard.

Remove the Power Cord, Open the case, Remove the cover and with a can of compressed air blow out the dust inside the computer. Clean the dust away from the Fans, Vents, CPU and Heat Sink are that sits under the Fan on the motherboard.

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There is definitely a power supply problem with the Dell XPS 200 I have. It starts fine and runs beautifully for about an hour. Then suddenly the screen goes blank, the light on the power button flashes...


First ingeneers build things to fuction AS IS, so i'm not sure you need more fan power.

Verify the inside of the computer is the CPU heat sink (big aluminium block with fan) CLEAN of any dust? are all the fans turning correctly (resonable speed)? verify the placement of the PC itself is it cooked up in a cabinet or pushed against a wall (blocking the holes in the case for air intake)?

if all of the above is OK you could re-paste the CPU (spreading new heat sink compound between the CPU and the heat sink)

Good luck!

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Dell PC was on at the time, and my little girl switched the PC off at the wall. Then switched it on and off a couple of times. Leaving it off. When pressing on/off button no power was in evidence as no...


Verify that the rocker switch on the back of the PC is in the correct position...check to make sure the minus sign is pressed down and if you have a power strip make sure it's in the on position as well. Then try powering it on. If it still won't power on, it's likely that you will need a new power supply.

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I think my power supply is dead. Computer unresponsive, no cooling fan, etc. Is there a way to test the output with a voltmeter? Thank you.


You can use a paper clip and jump the connection from the green wire to a black wire next to it, this will force the power supply to turn on. If the PSU turns on, the means your issue probably lies elsewhere in the system, like a bad power switch or connection.
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Fan comes on frequently on hp computer. dust etc


If this is a desktop computer, did you clean out all the dust inside the computer? You can buy cans of compressed air at places like Staples. Make sure you blow the dust out of the power supply and cpu heat sink.

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1 Answer

My Kogi L7EH-TA monitor will not function when hooked to my new Dell Inspiron 537.


Do you get a No Signal on the monitor?

IF so, the problem is in your computer, or you have a bad monitor cable. (Cable from monitor to computer)

Try the monitor on a known working computer, and use that working computer's monitor cable.

Monitor works?

Okay now use the monitor cable from the Dell Inspiron 537.
Monitor works?

Problem is in the computer.

Monitor doesn't work?
Problem is the monitor cable. They do go bad.

Problem is the computer? Check to see how dirty the computer is inside. Unplug the computer from power, open the computer case.

DO NOT reach inside, and touch any components, even to clean, until you have touched the metal frame of the computer case. You are just looking for now.

[ Your body carries Static electricity. Static will fry out the hardware components inside a computer.

Static will do it in a flash, and you won't see it, or feel it!
Computer unplugged from power, you're safe. Touch the metal frame of the open computer case, your computer is safe ]

If the inside of the computer is dirty, so is the power supply. The case fan/s draw air into the computer, and push the air through the computer case.

The power supply fan draws air through the computer, and pushes the air out of the back of the
computer.
Anything that goes through the computer, also goes through the power supply.

Dust, Dirt,. Hair, Lint, Carpet Deodorizer, you name it, can be drawn in. (Sometimes, spiders make webs inside!)

Inside the Dell Inspiron 537 Desktop PC, is a processor with a Heatsink on it, and a Fan on top of the heatsink.

The Heatsink is a square looking device, that has fins on the top.
The bottom is flat, and is attached to the top of the Processor's case.
The heatsink absorbs the heat of the processor, by being in close relation to it, and the fins radiate the heat up, and out.

(What an average Heatsink, and Fan combo look like,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=2943299&CatId=493

There is also Thermal Paste, in-between the top of the Processor case, and bottom of the Heatsink)

The fan attached to the top of the Heatsink b-lows the heat away.
If the fins become clogged, and the blades of the fan, the processor heats up.

When the processor becomes too hot, it turns off.
This is a Fail Safe feature that is built-in. BIOS turns the Processor off.

During this, the Processor has been calling for more power, due to the heat.
The power supply tries to keep up.

The power supply has Heatsinks inside it, also. Plus a fan, to draw air across the components inside the power supply.
This is the power supply's cooling system.

Once the fins of the heatsinks become clogged, and the fan blades, the cooling efficiency drops tremendously.

The power supply heats up.
Again, Heat = Wasted Energy.

The power supply tries to put more, and more power out, until eventually the components inside the power supply fail.

Power supply failure is a main cause of computer failure.

Dell Inspiron 537MT Desktop PC Service Manual,

http://support.dell.com/support/edocs/systems/insp535mt/en/sm/index.htm

Dell Inspiron 537ST Desktop PC Service Manual,

http://support.dell.com/support/edocs/systems/insp535st/en/sm/index.htm

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1 Answer

1 - Dell HP-P2507FW - Intermittent on - off power at start-up


the only solution to your problem is replace the power supply.you have to purchase the same unit specs.

Nov 30, 2009 | Dell HP-P2507FW Power Supply ** FREE...

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