Question about ASUS Intel 845 Chipset P4B (P4B WOA) Motherboard

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Not touch with metal part

I put mother board on the paper cardboard right now. but still can't start from s/w. even i start from power s/w 2 pin by using screwdriver. what i try is 1, took out n put back battery 2, remove unnessory card like sound card, lan card. Pls give me advise.

Thanks

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  • Anonymous May 07, 2008

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  • 176 Answers

Are you sure that your power supply is good, try to short the GREEN and GRAY pin if the power supply fan is running the fan is ok but if the fan not running you need to replace the power supply. I the Power supply is good try to remove the cmos jumper and open the computer then return again the jumper. If you can't hear a sound beeping try to remove the processor and insert again maybe the processor pin or lock is loosen .

Posted on May 08, 2008

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1 Answer

Power Supply Good, Mother Board Good, Hard Disk Drive Good, Will not boot.


The power supply needs to be checked that it is putting out all the correct voltages, if one is missing it would explain why the motherboard is not starting.

Apr 23, 2012 | Computers & Internet

1 Answer

No beep at start up


Could be a grounding issue. Remove the mother board from the case, and place on a piece of cardboard. Plug in the power supply, memory, monitor and power switch if it will reach (if not then you will need to short the jumper were the power switch plugs in with a small screw driver). Once set up, power on the mother board, you should get a no hard drive error, since we did not plug it in. If this does work, you will need to go the hardware store and pick up some rubber or paper washer to place between the mother board and the case.

Feb 22, 2012 | Foxconn (755A01-6ELRS) (K8S755A6ELRS)...

1 Answer

What pins are the switch to turn on power supply continuously


Pins 16 and 17 for a 24-pin ATX main power cable connector, and Pins 14 and 15 for a 20-pin ATX main power cable connector.

1) 24-pin ATX main power cable and it's respective connector,

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


2) 20-pin ATX main power cable and it's respective connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Just remember; The Green wire is the Soft Power On wire, (PS_ON)

ANY Black wire is a Ground wire.

A jumper wire is used briefly to touch the green wire to ANY black wire.

The preferred jumper wire is a paper clip because of it's size. (Diameter)

The jumper wire goes down into the BACK of the connector, RIGHT NEXT TO THE EXISTING WIRE that is already in there.

The BACK of the connector is where the wires go in. (In the links above look at the photo to the far right)

The 24-pin, or 20-pin ATX main power cable, is plugged into the motherboard.
The Power Supply is plugged into power.

The jumper wire goes down into the socket hole, right next to the existing wire, and far down in the socket hole.
It has to touch a metal terminal that is in the FRONT of the connector.
Each wire going into that connector has a metal terminal at the end of it.

Black plastic electrical tape is wound around the middle of the U shaped paper clip.

Use the jumper wire and the Power Supply comes on?
You have a bad Power On switch.

Power Supply does Not come on?
You have a bad Power Supply

Sep 17, 2011 | Computers & Internet

1 Answer

My pc monitor is blackout and no beeps whaen i start up even my hdd is not spinningmy cpu fan is working what is the problem tell me what can i do pls , As done by me----- 1. Clean the RAM memory and try...


Hi,
If do not hear any beep then it means that the mother board is dead you can try clear the BIOS by removing the battery of the mother board for 5 mins or by shorting the jumper for clearing the BIOS if that didn't help then you have to repair the board or replace it.

Feb 09, 2010 | Asrock P4I45GV R5 Motherboard

1 Answer

Will not start up


One possible problem is that a memory card is not seeded properly. To check take all memory cards out and put back one at a time.

To do that touch the metal case of the PC to discharge the static electricity in your body before touching the memory card or mother board. I would do that each time you take out or put in a memory card.

You may get a screen saying your memory has been change. Just hit ok.

If you are not even getting a blinking cursor on your screen the power supply could be bad or some other part is pulling down the power. It that is the case try disconnecting the power jacks from the mother board and reconnecting. They may not be seeded properly.

Also try pulling one card at a time off the mother board and reseeding. You may have to unscrew a screw to pull a board.

Good Luck,

David Albert

Dec 22, 2009 | HP Pavilion A635W PC Desktop

2 Answers

No pwer


check conections, did you isolated bolts while you ware inserting mother board? check condensators on mother board if there are some leeks... if this is the case ,,, buy a new mother board? is mother board new?

May 02, 2009 | Asrock K7S41GX Motherboard

2 Answers

Computer will not boot


Option 1 :

Remove completely the mother board from Cabitnet.

Try to check it on other Cabinet.


Option 2

Remove mother board and re- plug the SMPS power Connecter to Mother board outside of cabit and make sure that motherboard is not touching directly to Metal part of cabinnet.


then switch on computer and check


Nov 22, 2008 | ASUS P4S800-MX Motherboard

1 Answer

Power and reset switch and hdd led layout on P4Vmm2 mother board


[10][ 9] Pin 1 = +HDD pin 3 = -HDD LED
[ 8][ 7] Pin 2 = + POWER pin 4 = - power LED (SPD)
[ 6][ 5] Pins 5 & 7 = reset
[ 4][ 3] Pins 6 & 8 = Power switch
[ 2][ 1]


Hope you find this Useful

Dave

Nov 19, 2008 | EliteGroup P4VMM2 Motherboard

1 Answer

Pc will not boot. power is into the power switch as it lights up when pressed to turn on computer. with the case off the fan to the power supply and fan on the processor turn for approx 3 seconds then...


check the pin assign ments on Mother board. verify that reset and power pin plugged properly,

or

*********** board circuit is touching to metal or a metal part of your cabinet.

or

clean the mother board with dry air blower so if somthing laid on mother it will be blown out.

Nov 17, 2008 | Computers & Internet

1 Answer

Motherboard


I have one sitting in front of me , unfortunately I cannot get it to you but will be happy to tell you the positions. It's not very difficult to fix and I will stick by until you get it correct. I hope I don't complicate this in an attempt to keep it clear and don't be insulted by my answer. I am guessing you don't have a great deal of experience working inside the box and it can become confusing. This is much easier than the length of this answer suggest. You will do this in about 30 seconds, move anything that is in you way and make a note of where it came from. If your hand is small you are lucky but don't force anything and if you are pushing on anything trying to get down there see what it is before pushing more. Better to move it.

There is a front panel connector that is on the bottom right of the board if you orientate the board by placing the computer access panel in front of you with the front of the computer facing to your right. Then right below the floppy disk controlled socket (the smallest flat cable in the box) if no floppy the empty socket below the battery.
There is a double row of pins, looks like 2 rows of 10 pins each. Mine are multicolored, pink and green etc. and the should be marked + and minus, at least plus. The number 1 pin is on the left. The 1 pin is actually the bottom left and the 2 pin is above it. Back down to the bottom row and pin 3 is right next to 1 and the 4 pin right above it. Pin 3 is the second pin on bottom left. Follow the way it goes? The bottom is 1, 3, 5, 7, 9, 11, 13, 15, 17, 19 and right above 2, 4, 6, 8, 10, 12, 14, 16, 18, 20.

Pin 2 is + so put your Power SW on pin 2 and 4 with the colored wire on pin 2. Colored wire in the pair should be positive, and it can be blue, red, green, mine is red and white.
The Power LED goes right next to the Power SW on pins 6 and 8, the colored wire on pin 6, mine is blue and white. And finally the HDD LED goes on pin 7 and 9. All counting from the left to right. My pins are not marked as I think its not critical how the LED is connected and if it does not light then reverse those 2 pins. My colored wire is on pin 7 and its blue. May as well finish, the Reset button is wired to pins 17 and 19 with 17 being positive and the speaker if you have one hooked up (your tiny internal speaker not for listening to music) is a 4 pin connector with the middle 2 sockets empty and fits over the last 4 pin s on the bottom right. 13, 15, 17, and 19. Pin 13 is +. There may be other wires but I don't know where they go depends on what they are but this is what you need. Good luck. And make sure all is unplugged and touch the box to ground yourself or wear a strap. Look but don't touch is a good rule for now.

Feb 22, 2008 | Computers & Internet

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