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Wires p3 and p4 are not plugged in - Dell Dimension C521 PC Desktop

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I have nothing to plug p3 and p4 into when all on no signal


Sometimes if a VGA cable is not screwed into to both your Tower and your Monitor, it can get loose and thus resulting in no signal.
Another cause of a Monitor Displaying the no signal message would be due to the Graphic Card failing, or possibly due to the Graphic Card not correctly being seated.

Other Thoughts
--------------------
Usually P3 and P4 refers to a cable on your power supply that needs to be attach to your motherboard to supply extra power.

Note:
If your P4 cable is not plugged in before turning on your computer, this will also result in your Monitor displaying the no signal message.
Keep in mind though, if your computer has not been opened or is not a custom built PC, you should not have to worry about such issues as your P4 cable should in theory be connected. However I guess safely checking won't hurt anyone.

Mar 30, 2015 | Computers & Internet

Tip

How to use a P3 power supply with a P4 or newer motherboard.


Well its fairly simple, You need the following cable to convert your P3 power supply into P4 power supply.


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The pictures pretty much explain every thing, this is the only plug that is not present on a P3 power supply. You can make this cable your self by salvaging connectors from non-working power supplies and other computer peripherals. The connections are straight forward just connect both the yellow wires to the single yellow wire and the black wires to the black wires and your done.

on Feb 09, 2010 | Computers & Internet

1 Answer

Range controlpad is no working, is showing SA6& each burnershows 56 orS6


Hi and
SA (burners off) is a door lock switch A problem. The switch has to be checked for 0 resistance across the terminals. If it has resistance then there is another resitance check to look ofr 2350 Ohms between pin 5 in plug P4 and terminal N. If the meter reads zero or infinity the lock motor or the wiring to the lock motor is defective. If the meter reads 2350 Ohms replace the electronic oven control.

This is per page 97 of the service manual: (C/P)

http://frigidaireservicetips.com/pdfs/477_5.pdf

Remove power from the range and go to the back of

the control and disconnect the P3 plug. Measure

the resistance between pins 3 and 4. If the meter

reads infinity check the oven door switch and the

wiring to the door switch. If the meter reads zero go

to step 2.

2. Measure the resistance between pins 1 and 3 of

plug P3. If the meter reads infinity switch A of the

lock motor assembly or the wiring to switch A is

defective. If the meter reads zero go to step 3.

3. Measure the resistance between pin 5 in plug P4

and terminal N. If the meter reads zero or infinity

the lock motor or the wiring to the lock motor is

defective. If the meter reads 2350 Ohms replace
the electronic oven control.

Thanks for choosing FixYa,
Kelly

Nov 24, 2010 | Kenmore Microwave Ovens

1 Answer

What do the wires iside a desktop p4 p3 p8 p2 and p5 do


I'm assuming you mean where the power plugs into the motherboard. The big rectangular plug that plugs into the board.

Sep 27, 2009 | Computers & Internet

2 Answers

UPGRADING P 3 PC


THE SE440BX2 MOTHER BOARD CAN SUPPORT P3,P2 PROCESSORS(P3 850 MHZ)....,BUT NOT P4 AND HIGHER VERSIONS...THIS MOTHER BOARD SUPPORTS UPTO 768 MB OF RAM,NOT MORE THAN THIS...

Aug 19, 2008 | Intel Pentium 3 , 450 MHz Pentium III...

1 Answer

Dvd/cd drive problems


I think it is desktop DVD ROM. P3, P4, P5 are power connectors for HDD and DVD.

Upside down the DVDROM. you can see 4 screws there. remove the screws. Open the tray using a small hole in the front panel. You can easily remove the top panel now.

Jul 02, 2017 | Acer AL1716Bbd 17" LCD Monitor

1 Answer

Fire wire instillation


The problem is that you have a P3 processor. THe only CPU capable of running a fire wire device, is a P4 or better.

Feb 18, 2008 | Video Cameras

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