Question about Intel D865GVHZ Motherboard

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When I turn on the power the processor fan does not start but when I disconnect the 12volt four pin power connector the processor fan start but no display in both the state. (865 GVHZboard, 2Ghz pro, 512 ram, 350 watts ps.

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The power supply connector might be not place properly. Check the connector in the motherboard there might be one missing that is not being connected the processor connector located near the processor itself...then check also the connector of the cooler fan...it might not be connected...
If all the things is in place but still the problem is exist. Replace your power supply with new...because there might be a defective component into your power supply which is not enough to supply the entire motherboard...

Posted on Sep 19, 2011

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Posted on Jan 02, 2017

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1 Answer

Em945g MB-CPU and fans start as soon as power is turned on, but never boots


There are two power connectors on the motherboard one twenty four pins and the other is an eight pin connector. The symptom you described normally happens when we forget to connect the 8 pin connector. This power is converted on the motherboard to the processor core voltages and port power voltages. So it is situated physically nearer to the processor and ports. Make sure you have a power supply that has the two connectors and also that you have connected both. The 8 pin connector has only black and yellow wires. Hope this helps.

Dec 23, 2013 | RadiSys Em945g Uatx Motherboard Rev: 1.0...

1 Answer

Cpu didnot run ,i cant find any signel on my cpu every thing is ok but there is a problems in motherboard what should i do ?


A) With great tact and diplomacy;
Do not refer to a Personal Computer as a CPU.

CPU = Central Processing Unit.
Another term is Microprocessor, or simply Processor for short.
CPU = Processor

B) Because of the method you used to refer to the Computer, I do not know if you're talking about; the PROCESSOR did not start, or the Computer.

C) If I we are to believe this is a reference to the Computer;

1) Check the Power Supply voltages,
OR
2) Substitute the Power Supply; with a KNOWN to be working, Compatible power supply, for a temporary test unit.

Why?
A) If ALL 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 51 to 125 Watts of power.
Just depends on what Processor it is.

A Power Supply with a weak voltage power rail, will not have enough power to turn the Processor on.

However I am still confused by the statements;
1) "CPU did not run"

Does this mean the COMPUTER did NOT turn on, which implies the Power Supply did not turn on;

OR,

Does this mean LED lights came on, fans may be spinning, but Windows does not load?

2) "I can't find any signal on my Computer........"
Signal = Voltage.

To see if there were voltages going through the motherboard, you wouldn't be posting on here. You would know how to take a multimeter, and test them.

Means to me you see No Signal on the monitor.

D) Are you FOLLOWING Anti-Static Procedures?

E) Power Supply voltages prove to be good, or you are using a KNOWN to be good, Compatible power supply?

Disconnect EVERYTHING from the motherboard.

NO cables to the motherboard, EXCEPT the 24-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

[NOTE* Color of connector does NOT matter ]

,and the 4-pin ATX +12 Volt power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

Disconnect the data cable AT THE motherboard, for the Harddrive, and optical drive/s. (CD/DVD drive)
Disconnect the power cables to them also.

Disconnect ANY USB front panel cables.

LEAVE processor fan wire connected to motherboard.

You want the Processor, finned Heatsink sitting on it, and the Processor fan.
ONE stick of Ram Memory in Slot 1. (DIMM 1)

Leave graphics card in, IF used; or monitor is connected to the VGA port on the motherboard. (D-Sub connector)

Turn the Power Supply on.
You should be able to bring the BIOS Setup screen up.

If no, consider the motherboard to be bad.

http://www.msi.com/product/mb/G31M3-L-V2---G31M3-LS-V2.html

http://www.newegg.com/Product/Product.aspx?Item=N82E16813130217

Post back in a Comment, as to the information I need.
CPU = Processor
PC = Computer, or just use Computer.

Regards,
joecoolvette

Mar 13, 2013 | MSI G31M3-L V2 Motherboard

1 Answer

Need a wiring diagram for a rs780m03g1


http://www.ebay.com/itm/FOXCONN-RS780M03G1-8EKRS2HM0D-DDR2-HDMI-PCI-MOTHERBOARD-/250896178535

1) http://support.gateway.com/s/MOTHERBD/Shared/4006272R/4006272Rnv.shtml

2) Product Views;

http://support.gateway.com/s/MOTHERBD/Shared/4006272R/4006272Rtc.shtml


B - Processor Core Power Connector;
is the connector on the motherboard for the 4-pin ATX +12 Volt power cable.
Located close the motherboard top edge, left side. Yellowish 4-socket hole square connector.
General example of connector, and power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

2) D - CPU Fan Connector,
The Processor fan connector is white in color, 3-pin, and above the processor socket.

3) F - Main Power Connector,
The 24-pin ATX main power cable connector on the motherboard, is to the Right of the Ram Memory slots

4) N - Front Audio Connector, (Front Panel audio ports)
Red in color, 9-pin header, and is located below the white No.2 PCI slot, at the bottom of the motherboard.

5) P - System Fan Connector, (System Fan = Computer case fan)
White in color, 3-pin header, located below the No.2 PCI slot, at the bottom of the motherboard.

6) Q - IEEE 1394 Connector,
For the front panel Firewire (1394) ports.
Black in color, 9-pin header, located at the bottom right corner, of the white No.2 PCI slot

7) R - USB Connectors, ( Front Panel USB ports )
F_USB 1 through F_USB4.
Located at the bottom of the motherboard, and these four separate headers support TWO USB ports each. Yellow in color.

8) S - Front Panel Connector,
located at Bottom/Right corner of motherboard.

Pin 9 is N/C also.
Not Connected. Used for +5 Volt power for the factory.

For additional questions please post in a Comment.

Regards,
joecoolvette

Oct 27, 2012 | Gateway E-4300 PC Desktop

1 Answer

I PRESS THE POWER BUTTON IT STARTS THE FAN FOR TWO OR THREE SECONDS THEN BACK OFF


Hi,

Did you replace your power supply? Make sure you have your 4 or 6 pin 12volt power cable plugged in to your motherboard in addition to your normal power connector.

Apr 16, 2011 | Computers & Internet

1 Answer

I have a emachiness t3642 with AMD athalon processor. I tried to upgrade the cooling fan located on top of the processor. when I pulled the aluminum heat sink of, the processor came of too. I put the...


This is normal as the processor just sits on the connectors. Just put it back and reconnect the heat sink properly.

Make sure that you do not bend the nearby power supply capacitors in the process. There is a separate cord (four prongs) to supply power to processor, check if it is securely connected.

You should not have undertaken the task if you were not sure in the first place. Without visual inspection I can only give generic solutions.

The processor must be seated properly with the heatsink and then turned on. If it is turned on without the heatsink it will burn/overheat immediately. If the processor is not seated properly, the pc will not turn on. Just follow the correct seating procedure and try again. Remember not to bend or break any connectors and capacitors nearby.

If it still does not turn on, you may have bent processor contact pins. This means bad news but can be handled. Take a magnifying glass and inspect the processor and seat and check for bent pins. You can use tweezers to adjust if any found. If your pc makes any beeps, let me know or consult the manual for beep codes.

Sep 25, 2010 | eMachines T3642 Refurbished AMD Desktop...

1 Answer

How to install fan in dell 2400 desktop computer


Rear computer case fan?

This is going to be a fairly long solution. Advising you in advance.

1) Computer off, and unplugged from power.

2) Open the computer case, TOUCH the metal frame BEFORE you reach inside. Your body carries Static electricity. Touching the metal case will relieve your body of Static.

3) Remove the Processor Air Shroud.
This is the plastic U shaped part that covers the Processor, and Heatsink. It's at the back of the computer next to the computer case, and the fan in the rear.

First, unplug the fan's power cable from the motherboard connector.
(J30 connector on motherboard.
In-between Ram slot 1, and the Processor)

Second, you may have to disconnect the power cable for the Processor, in order to remove the Air Shroud. Disconnect the Processor power cable from the motherboard.

(J10 connector. Square connector on the motherboard to the left of the Processor, and down. There is a power cable from the power supply that goes to it, with a square connector, and has four wires in the cable. Two Yellow, two Black wires)

You may have to disconnect the 20-pin ATX main power cable also, in order to have room to remove the Air Shroud.

(J21 connector on motherboard. Long connector with 20 socket holes in it. It's on the outside edge of the motherboard, to the right of the ram slots.

The power cable connector is a Male connector. The connector on the motherboard is a Female connector.
The Male connector has a lock tab on the side of it. The tab is hinged so that it pivots. The top of the tab is squeezed in to release the lock.

This action draws a hooked end of the tab, out of the Female connector on the motherboard. While keeping the tab squeezed, the Male connector is gently wiggled side to side, while pulling up, and out.

Do Not pull on the wires, pull on the Male connector only. Use a gentle force)

The Air Shroud is gently squeezed in on the sides, with your fingers, and thumb. (Side that is towards the Front of the computer)

Then the side of the Air Shroud that is towards the front of the computer, is lifted up.
The Air Shroud pivots towards the rear of the computer.

The Air Shroud pivots on two round pins. Pins are made into the plastic shroud itself.

Each side of the air shroud, is gently pried out on the bottom where the round pivot pin is, and this action draws the pin out of the rear fan's mounting flange.
Remove the Air Shroud, sit it aside.

Now you can look more closely as to how the fan's mounting flange is attached to the computer case.
At this point I cannot lead you directly, only guide you.

The fan's mounting flange, may have small flat protrusions coming out of it, that go through the rectangular ventilation holes, in the rear of the computer case.

The flat protrusions has a hooked end on them, that hooks on the edge of the ventilation hole. Usual style, requires that you push the hooked end, towards the inside.

(Reference is made in relation to the outside edge of the computer case. The hooked end is pushed towards the middle of the computer case)

It may be a style of mounting flange, where the flange's edge has a lock tang that sticks up.
This lock tang is part of the plastic mounting flange itself.

The lock tang is depressed towards the computer case, and the fan is slid up, and out of a metal bracket.
(May be more than one locking tang)

Observing the mounting flange for the fan, you should be able to see how the fan itself, is attached to the mounting flange.

Usually it's another form of locking tang that is used.
The locking tang, or tangs, are depressed, and the fan slides out of the mounting flange.

If you did not buy a replacement fan directly from Dell, (Don't even know if you can), observe the fan's power cable connector.

Observe where the wires go in the connector. Look at the color code of the insulation of the wires. Match this wire color code, to the original Dell computer case fan.

Are the wires in the same place as the Dell fan?
If not, tell me. Post in a comment.


Jan 24, 2010 | Dell Dimension 2400 PC Desktop

1 Answer

Dell PC won't start


No beeps are heard, no CPU fan is turning on, only blinking yellow light. This brand usually experiences this problem.
  1. First, check the power supply. Disconnect connectors from the board and make a jumper wire for the green wire to any black wire. If the PS fan does not spin then it's busted, else proceed below.
  2. Reconnect connectors except the one with 4 wires, 2 yellow and 2 black, then switch on. If CPU fan turns on then you have a bad processor.
  3. If the fan is still not turning on then check the USB port pins for short circuit.. disconnect it from the board and switch on.
  4. Do the same with other hardware connected to the board.
PS: The metallic casing of computers must be connected to the common ground of the power utility to protect it from stray currents that result to damage of sensitive components such as processors, memory and hard disks.

Sep 26, 2009 | Dell Dimension E521 PC Desktop

1 Answer

Power switch light is on but no other poweris getting through, changed the power supply but same problem. light comes on power button but power supply fan doesn't even come on.


No beeps are heard, no CPU fan is turning on, only blinking yellow light. This brand usually experiences this problem.
  1. First, check the power supply. Disconnect connectors from the board and make a jumper wire for the green wire to any black wire. If the PS fan does not spin then it's busted, else proceed below.
  2. Reconnect connectors except the one with 4 wires, 2 yellow and 2 black, then switch on. If CPU fan turns on then you have a bad processor.
  3. If the fan is still not turning on then check the USB port pins for short circuit.. disconnect it from the board and switch on.
  4. Do the same with other hardware connected to the board.
PS: The metallic casing of computers must be connected to the common ground of the power utility to protect it from stray currents that result to damage of sensitive components such as processors, memory and hard disks.

Sep 26, 2009 | Packard Bell (190169) Power Supply

1 Answer

Computer won't boot up


Make sure that your power switch is connected to the correct pins on the motherboard. The LED you see lit may be the stand-by power indicator saying it has power and is waiting for the signal from the power switch.

May 06, 2008 | ASUS CROSSHAIR Motherboard

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