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How do i put the connections back on my dell computer so it will work...is there a diagram or something ?

Took apart my computer to get cleaned, and now that i got it fixed i can't remember how to put the wires or connections back where they go so it will run

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All of the mother board connections are usually have guided connectors e,g. for hard disks, CD/DVD, power supply, fan, on/off swith etc. You just carefully check that all connectors are attached with proper symmetry. Be careful to connect four wire processor +12V yellow/black power connector, since if it is not connected, may harm the computer.

Posted on Nov 27, 2014

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Go to dell.com. Navigate ot the support page, enter your service tag and you can eventually navigate to the service manual for your model. It'll be the same one field techs use to do parts replacements.

Posted on Nov 27, 2014

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SOURCE: hp pavilion 764c wire diagrams

Take a picture of the inside of your computer and put it up on the website with the wire connectors that need to be connected. The connecting wires should be in four groups. 1. The power supply connectors. These connectors will supply power to to all the power using components not supplied power by the motherboard itself. 2 The connections to the other components in your system like the dvd/cd player and the harddrive and floppy drive.3. The motherboard connections for the case. The power switch connector andreset switchconnector. The power led and theharddrive activity light.The USB connector and the audio connector.The fan connections like the cpu fan and other fan only connectors found on the motherboard.The external fans ( Fans that need to be connected to the power supply).Most of these connections are labeled on the motherboard. The case connectors also should be labeled for the correct connection. The best way to find the answers to this hook-up, may be to call HP pavilion with your computer make and model number,motherboard model number including revisions number. Computer made by big manufacturers tend to have may revisions and the only way to make sure your are getting a correct hook-up to the motherboard is call them for assistance.Especially if the motherboard and case labels are not present or so small that they cannot be read.Hope this helps you with your problem.

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Posted on Oct 24, 2009

joecoolvette
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SOURCE: we took our case apart to clean the fans.

1) Remove the Ram Memory module/s, and reinstall them.

It may look as though they are seated, by they may not be. All it takes is a slight bump.

I would also advise cleaning the contact pins while the ram memory module/s are out.
Use a pencil eraser.

{Note*
Computer unplugged from power, observe Anti-Static Precautions.

Anti-Static Precautions:

Your body carries Static electricity.
Static WILL fry out (Short Circuit) the hardware components inside a computer.
You won't see it or feel it.

Relieve your body of Static Before you reach inside your computer. (And before you remove any new hardware parts from their protective anti-static cartons)
Computer on a table, computer unplugged from power, computer case open.
TOUCH the metal frame of the open computer case to relieve your body of Static.

Should you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return.


If you are not using a solid eraser, and one on the end of a pencil, refrain from letting the metal band touch the contact pins.

The Presario SR1403wm desktop computer supports DDR Sdram ram memory modules.
There are 184 contact pins. 92 on each side.

Rub the eraser up, and down on each contact pin, both sides of the ram memory module.
Doesn't take as long as it sounds.
Just go up, and down a couple of times, you don't need to scrub the contacts with the eraser.

It may look as though you have done nothing at all once you're finished. The gold plated contact pins will not be shiny.
I assure you that you have.
Doesn't take much corrosion to make a bad contact surface.

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

(You can click on the photo to enlarge)



2) Perhaps one of the power cables wasn't attached to the motherboard.
Here is an illustration and photo of the Presario Sr1403wm motherboard,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00257657&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&site=null&lang=en&key=null&product=501310

Scroll down towards the bottom of the page.

In the illustration where it states the chipset SiS 760 in a rectangular outline, look to the right of it.
There is a small square outline with > ATX12V1 above it.

This is for the 4-pin ATX +12 Volt power cable.

Example of a typical 4-pin ATX +12 Volt power cable, and the matching connector on the motherboard,

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

Be sure this power cable has been attached.

To the right of the motherboard connector ATX12V1 is the main power cable connector
ATXPWR1

On the motherboard photo look all the way to the right side, and in the middle.
The whitish connector that has 2 columns of 10 socket holes is the ATXPWR1 connector.

This is an example of a typical 20-pin ATX main power cable, and it's matching connector on the motherboard,

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

Both connectors have a Lock on the side of the male connector. The connector that has the wires in it.
The female connector on the motherboard has a tab on the side.

To ensure that the male connector is seated tightly into the motherboard connector, the Lock's hooked end must be over the tab on the motherboard connector.

If both of these power cables are not fully seated, the computer will not turn on.



3) Harddrive power cable:

The harddrive used is a SATA harddrive.

This is an example of a typical SATA power cable,

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

Make sure this power cable is seated well, into the SATA harddrive.

[ Note*
The SATA power cable has 15 pins. The SATA data cable has 7 pins.

IF, your SATA harddrive has a provision for a SATA power cable, AND a 4-pin standard Peripheral power cable, ONLY USE the SATA power cable.
Using both power cables will burn up the SATA harddrive.

Some SATA drives will operate for a while with both cables plugged in. Then they eventually burn up.

Example of a typical 4-pin standard Peripheral power cable,

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

(Shown plugged into an IDE {PATA} harddrive)

With all power cables attached, and seated well, plus the ram memory module/s, make sure the Front Panel cable is connected in the proper place on the Front Panel header.

In the illustration F_Panel 1 is the Front Panel header.

{The plastic front of your computer is the Front Panel.
The area of pins in the connector on the motherboard, that the Front Panel cable connects to, is the Front Panel header.
This particular Front Panel cable is for the Power On switch, HarDDrive Activity LED light, and Power On LED
Not the cables for the USB ports, or Firewire port/s in the Front Panel)

If everything checks out above, then either the Power On switch is bad, or the Power Supply is bad.
Happens. A power supply can go out all at once.
Weak voltage power rail.

I can guide you with a simple test to see if the problem is the Power On switch, or the Power Supply.


If you have further questions please post in a Comment.
Would appreciate hearing how this comes out.

Regards,
joecoolvette

Posted on Dec 10, 2010

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