Question about E-Machines T2642 PC Desktop

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3 cables came unplugged 1 is green pwr led 1 is pwr s/w-black ,one is red hdd led i just need to know what order to plug them back in

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The order doesn't matter. Just make sure they go back where they came from. I

Posted on Feb 23, 2009

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Dell motherboard diagram of wiring and front pannel connectors


most front panel connectors with a 4 x 5 pin configuration are intel compliant, and are all the same.
The "nine" pin is missing, and is the "KEY" to orientation, no matter which way the pins are situated on the board.
1 3 5 7 X
2 4 6 8 10

1= HDD LED+, usually green
3= HDD-, usually white or black
2= PWR LED+, usually red
4= PWR LED-, white or black
These are polarity specific, and must be connected to the proper + and - terminals to work properly

5= RESET
7= RESET
9 is missing, can be used to determine location of other pins
6= PWR
8= PWR

Thes are momentary contact pins, can't get them backwards

Pins 6 and 10 are jumped together in the Dimension 2400.

Apr 18, 2014 | Dell Dimension 2400 PC Desktop

1 Answer

I have an emachines t2385 and cant figure out what order the pwr switch pwr led and hdd led wires plug into the motherboard. On the motherboard, there are 4 sets of 2 pins and 1 set with 1 pin. Can any one...


There should be a table indicated on the motherboard that says LED+ LED- PWR SWCH etc... You match those up the the descriptions on the cables. Or you may be able to find a possible layout on your supplier's website. You may have to bring it to an expert or trial and error. Personally I would trial and error.

Oct 12, 2010 | E-Machines eMachines Desktop PC

1 Answer

EMachines T2958 Destktop Computer Power Problems


There are several things to think about here. First off, you have *six* wires ... 3 pairs ;-)

1. Your computer only *NEEDS* to have the power switch wires (the black/white pair) connected, so if you can figure out where to hook these up, the computer will work. The "LED"'s are just lights so that *you* can tell it's on and when the hard disk is being used.

2. I can't say for sure, but most manufacturers put these wires into some sort of arrangement that plugs into a one-way connector ... in other words, the wires are all ganged together in one "plug" and there is a tab or projection or slot that keeps you from putting the wires in the wrong way. If your wire sets are connected in one plug, it's should be fairly simple. From the sound of it, though, they're separate, so keep reading.

3. Make sure your computer is plugged into power. Take a pair of needle-nose pliers with rubber handles and place the point between each set of two prongs, so it is "bridging" between them. You will be completing a circuit with the nose of the pliers (it's fairly low power, but use the rubber handled pliers anyway for safety). When the computer starts, you'll have found the two prongs that the black/white pair should be attached to. It doesn't matter whether the black goes to one and the white to the other; it's just a switch.

After this, you've only got 2 wire pairs and 4 prongs left, so trial and error should allow you to connect the other wires. I'd start with the Green/White pairs first. When the computer is ON, the LED for power should also be ON.

Good luck with your troubleshooting!

Apr 27, 2010 | PC Desktops

1 Answer

E-Machines T2642 PC Desktop from mother board 3 cables came unplugged 1 is green pwr led 1 is pwr s/w-black ,one is red hdd led i just need to know what order to plug them back in


Sorry you are having trouble.
Led's have a + and a - side.
With a magnifying glass you should be able to see where each one goes on the board. Start with pwr s/w. when you have it on the right pins then you can push the button and turn it on. I have done with with a screwdriver and quickly touching two pins at a time until it comes on.
Next the power LED. This one should be on all the time.
Last id hdd LED. This one will only be on when HDD is active and reading or writing.
The connector you are looking for is normally in the right hand corner opposite the power supply and has all the wires from the case going to it.

Apr 05, 2010 | E-Machines T2642 PC Desktop

1 Answer

Unpluged HDD LED PWR S/W and PWR LED for board


it's usually written in fine print beside pins. Failing that get the manual which tells you

Feb 26, 2010 | E-Machines T3958 (827103050974) PC Desktop

1 Answer

Need Diagram for the pwr,reset,pwr led,hdd led speaker connections on the motherboard. Model p5s 800-vm.


Hi there.
On the motherboard look for the front panel, it should be marked PWR and coloured green, also the plug that connects to it should be marked PWR_SW.
Have a look at these pictures for an idea >>>>>>

7b784c6.jpg

104b755.jpg
Please post back with the results and any more advice if needed.

Good luck and thanks for using FixYa!!

May 27, 2009 | ASUS PC Desktops

1 Answer

TRYING TO HOOK UP MU POWER BUTTON NEED TO KNOW


Hi there
The front panel connectors are mainly,
  • harddisk activity connector
  • power switch connector
  • reset switch connector
  • power LED connector
  • speakers connector
  • USB connector
Harddisk activity connector
This normally comes red in colour and is labeled as HDD-LED
Power switch connector
This comes green in colour and is labeled as POWER-SW
Reset switch connector
This usually comes grey in colour and is labeled as RST-SW
Power LED connector
This is usually green in colour and is labled as PWR-LED
Speakers connector
This speaker will give different beep sounds during boot to tell the user if there is any errors. It occupies 4 pins, however only 2 is important for the function. Be sure to connect the red coloured cable to the positive polarity and the black to the negative.
front_panel_connectors.jpg Front panel connectors pins on the motherboard
front_panel.jpg Front panel connectors from the casing

Good luck and thanks for using FixYa!!

May 13, 2009 | eMachines T6420 PC Desktop

1 Answer

HI! I was cleaning the inside of my e-machine W3502 and I putted off the 3 cords labeled Power LED green in color,HDD.LED red in color, and the POWER SW. Now i don't know how to put them back on in order....


look on the motherboard where all the cables are plugged in, It should list on the board in small letters what plugs in there. whats written on top goes on the top pins & bottom list should be the bottom pins.

Jan 14, 2009 | E-Machines eMachines Desktop PC

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