Question about HP Pavilion a1250n (EG194AA) PC Desktop

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Blue light on and off no power en fan - HP Pavilion a1250n (EG194AA) PC Desktop

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If fan is not spinning its the power supply.

You can look HERE, check out the reviews on there, make sure its 400w or higher.

Good Luck!

Posted on Oct 04, 2009

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Why dose my cieling fan liht keep going out


Loose wire connections will be the answer. Does it have a pull chain or a light switch on a wall? Are all bulbs snug don't over tighten them could break in your hand. If you're not familiar with electrical wiring I can tell you how to check them out.turn off power. Remove 3 small screws that attach light kit to fan they're on the sides evenly spaced out. Twist light kit counter clockwise and pull down gently it will have a plug with wires going into light push together if it's loose it will click.if each wire is separate blue wire is for light coming down from fan with a white wire.they might have plug ens on the if there is a wire nut on each wire hold 2 wires going to wire nut turn wire nut clockwise til it twists wires in your other hand it's tight .do this to each wire nut then give them a slight tug to be sure they're going to stay. Then push wires into the fan reinstall 3 small screws . Turn on power .Turn on light.

Jul 20, 2014 | Hunter Fan 23298 Ceiling Fan

1 Answer

Where can I get a wiring schematic for a F588?


The blue wire is the light wire. Since this is a remote control fan, it is either connected to the blue wire to the receiver or to the black house wire if you do not have a remote receiver.

Sep 06, 2013 | Minka Dryers

1 Answer

On emerson casablanca ceiling fan, there is no voltage between blue and white wires for lighting kit power.


Check blue wire to bare ground.
Then check each wire to bare ground, with switch on and off.
Add a comment with result.

Sep 16, 2012 | Dryers

1 Answer

The wires for hooking this fan up are white,black and blue my guess is white and black are hot and blue is a ground wire. is this right?


White (Neutral) White to White

Blue (Light to Hot) Blue to Black (optional)

Black (Fan to Hot) Black to Black

Green (Ground to Ground) Green to Green

If you do not have a green lead you might see a green screw to attach the ground wire from the house power. The fan has the optional light fixture future connect the blue wire to the black hot wire. If you have the optional light fixture you may want to connect it to a separate switch power.

Jan 14, 2011 | Hampton Bay 73554 Antigua Ceiling Fan

2 Answers

I need a wiring diagram of the Hampton Bay fan with light. The fan is black and white and the light has a blue wire. I believe the blue should be tied to the black, am I correct. Thanks


Twist the bare conductors together tightly, matching the black and blue ceiling fan wires to the black power wire, and the white ceiling fan wire to the white power wire, don't forget the green ground !!

Sep 10, 2010 | Hampton Bay 24002 Ceiling Fan

1 Answer

Installing fan & light control (27182) - in the box, there are red, white and black wires. On the control, there are red, blue and black. So, black to black; red to red; right?....does blue go to...


Under normal circumstances, NO! Black is normally power in to a box and to a switch. The switch controls the power out to the red line and most likely the blue line. White is always circuit neutral (ground). Your power will most likely come in via black and then go to the lights on either red or blue and to the fan on the other wire, either red or blue, the color you did NOT use for the lights. Some place you should also have a bare or green wire that would act as equipment ground, connecting to the metal of the box.

Sep 06, 2010 | Hunter Ceiling Fan Light Switch Control

2 Answers

Blue button flashes and green light in the back stays on. When I unplug power source, the blue light still flashes for another 10 seconds. When it shuts off completely, I plug it back in--then it...


Power Supply failure. Weak Voltage power rail.

Blue light in the front is the Power On LED light. Green light in the back is on the Power Supply.

Primer:

When a Power Supply is plugged into power, there is a 5 Volt Standby power present in the Power Supply.

When you press the Power On button, this in turn presses against a Power On switch.

The Power On switch is located inside the plastic Power On button.
This is a basic example of a Power On switch,

http://www.directron.com/atxswitch.html

Pressing the Power On switch closes a circuit for the 5 Volt Standby power.
The 5 Volt Standby power is then directed to a circuit inside the Power Supply.

This action turns the Power Supply on.
Power then goes from the Power Supply to the motherboard.
The first chip to receive power is the BIOS chip.

[Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_circuit

BIOS = Basic Input/Output System ]

The BIOS chip has the BIOS program burned into it.

BIOS, (The BIOS program), looks to see what devices are installed, does a Ram Memory count, TURNS the Processor on, and hands the computer over to the operating system.

(Windows XP is one example of an O/S. Operating System)

Secondly,
1) ALL of the LED lights, use less than 1 Watt of power from the Power Supply.

[ The HP Pavilion a1250n desktop computer, comes with an ATX style of Power Supply, which has a reported Maximum Wattage rating of 300 Watts]

2) EACH fan uses 2 to 3 Watts

3) A typical Processor uses 51 to 125 Watts. Depends on what Processor it is.

[The HP Pavilion a1250n comes an AMD Athlon 64 X2 3800+
This particular Processor uses (Fits into), a Socket 939 processor socket.

The Athlon 64 X2 3800+ can use up to 89 Watts.

http://en.wikipedia.org/wiki/List_of_AMD_Athlon_64_microprocessors#Athlon_64_X2

Look under TDP.

This is what a Socket 939 processor socket looks like,

http://en.wikipedia.org/wiki/Socket_939 ]

You have enough power to light those simpy LED lights, and spin the fans a few times, but not enough power to Turn the Processor on, and keep it on.

No Processor running, No computer.

What causes Power Supply failure?

1) Computer is dirty inside, as well as inside the Power Supply.

In reference to the Power Supply;
The Power Supply used in your computer is an SMPS.
Switched-Mode Power Supply.

http://en.wikipedia.org/wiki/Smps

There are two cooling components,
A) The Fan
B) Heatsink's which are used internally. (Inside)

[Typical construction of a Heatsink is a plate of metal with tall, thin fins protruding from it.
The plate of metal absorbs heat, from whatever object it is placed against.
The tall, thin fins absorb the heat from the plate of metal, and radiate the heat away.

If a fan is used in conjunction with a Heatsink, the air flow from the fan goes in-between the fins, and around the fins, and help to dissipate, (Carry away), the heat ]

When the Fan's blades, center hub, and surrounding cage (Shroud) are clogged with 'Gunk', the Power Supply heats up.

Heat = Wasted Energy

The more heat, the more the Power Supply strains to keep up with the call for power.
Eventually components inside the Power Supply fail, and the Power Supply fails.

2) Low quality Power Supply.
Low quality components are used in the Power Supply

The ATX style of Power Supply is used in a Large percentage of computers out there.
Very readily available.

I would suggest you install a Power Supply with more Wattage.
A computer only uses the power it needs, and NO more.
Won't hurt your computer.

Will help your computer as there will be less strain on the Power Supply.
Also the 300 Watt rating on that Power Supply is bunk.
Padded rating to make the Power Supply look better than it is.

The actual Wattage rating, is more like 60 to 70 percent of what is stated.
(180 Watts to 210 Watts)

Need help in opening your computer case, and replacing the Power Supply, and/or a recommendation for a Power Supply, let me know in a Comment.

[BE SURE to follow Anti-Static Precautions, BEFORE you reach inside your unplugged from power, computer ]

Jun 26, 2010 | HP Pavilion a1250n (EG194AA) PC Desktop

1 Answer

Blue screen came on then the computer went off and will not boot up. will re installing windows xp work or what do i do?


Due to your diagnosis, it sounds to me like Power Supply failure.

Weak Voltage power rail.
Not enough power to keep the Processor on.

(In this case, No, re-installing Windows in a Repair, will not fix the problem)

Lights will light, and fans may spin, but there isn't enough power for the Processor.

1) ALL the lights use less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts of power.
3) A typical Processor can use 51 to 125 Watts of power. Depends on what Processor it is.

(For example, if this Optiplex GX260 was ordered with a Pentium 4, 2.26GHz Processor, {Socket 478}, it can use up to 58 Watts,

http://en.wikipedia.org/wiki/List_of_Intel_Pentium_4_microprocessors#Northwood_.28130.C2.A0nm.29

If this computer, and Power Supply are dirty inside, it's a pretty sure bet the Power Supply is bad.

Test the Voltages of the Power Supply to see if they are correct. Specifically the 12 Volt power rail.
If it is 11 to 13 Volts, it's okay.
Less than 11 Volts requires replacing the Power Supply.

Test can be done with an inexpensive multimeter, or a power supply tester.
One example of a power supply tester,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5250576&CatId=5471

Jun 10, 2010 | Dell OptiPlex GX260 PC Desktop

2 Answers

I am trying to install a 42" ceiling suspended fan .. just making sure the blue(1) and black(2) wires go together and then the green goes to the bare ground wire coming from the box.


If you are not using a seperate switch to control the fan the blue and black go together and the white goes to white and the green goes to green. The blue wire is the fan power wire and the black is the light power wire if you are just using the switch on the fan to control the fan speed then the above configuration is the way it should be wired.

Jan 19, 2010 | Aloha Housewares (93645) Ceiling Fan

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