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Wires unplugged A few wires binded together by a plug labeled P7 is loose and hanging, and my computer isn't functioning correctly. Can you tell me where it should be connected to? thanks

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Usally ther numkber or color coted to werar they belong

Posted on May 29, 2008

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The wires will only connect in the right places. If you haven't been inside before the problem started, then there is nothing to worry about in that respect, cables don't just unplug themselves. There is a very good chance that the power supply itself has failed. They aren't expensive and are easy to fit. Just take a photo of the inside before you remove the old one, it will make it easier to refit the new one.

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You will need the user's manual for your machine to make sure that you are hooking the wires up correctly. However, most motherboards label these connections directly on the motherboard next to their pins.
Look for an area on the mother motherboard with two rows of six to eight pins. Next to them you should labels such as PWR_SW (power switch), RST_SW (reset switch), HDD_LED, PWR_LED, etc. You won't mess anything up connecting something to the wrong pins, but it isn't that hard to figure out as the wires are usually labeled in the same manner as the pins. So HDD_LED would plug into the HDD_LED pins, PWR_SW to PWR_SW, etc.

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Hi there i knocked my computer over the other day and now it wont link to the screen, plus keyboard and mouse dont work, i've looked inside dusted and stuff but cant see much wrong a few loose wires e.g p7...

Please don't misunderstand but maybe you accidentally touch someting inside the system while cleaning it that caused for the computer not to work properly. Be careful in cleaning our computer specially inside. Replug all the links needed because the computer may reconfigurate it again before it will work. If it won't work however, please contact you Hardware IT Technician.

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My computer will not turn on anymore

Try connecting the power-cord to a different wall-plug.

Look on the back for a "rocker" switch.
Flip it to the other side, and try the ON/OFF button.
If nothing, flip it back.

Open the case, and look for any small lamp on the motherboard.
If it is not lit, then the motherboard is not getting any power from the power-supply. Try a different power-supply.

Open the case, and look at the wires coming from the back of the front-panel to the motherboard. Look for any loose or non-connected wires. If one pair of "loose" wires is labelled 'POWER SW(itch)', then reconnect it to the appropriately-labelled pins on the motherboard.

If all else fails, take the computer to a qualified technician, for "hands-on" trouble-shooting.

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Presario 6000 desktop wont power up after transporting. Opened cover & I have loose wires that may be the problem. The loose wires are labeled p9 &p7.

Unfortunately, I do not know P9 and P7. Can you tell me if they are multiple colored wires going into a header/connector? If they are single wires or thin wires you may be able to look at your header of wires which connect the pwr button, rst switch, power led, speaker ( 4 pin thin connector ) if p9 and p7 came off here they could be your power switch.

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Compaq presario Sr1303wm power will not stay on...but when I unplug the p7 power supply wire from the motherboard it does stay on...please help.

What does the P7 connector control? How many wires come out of it and what are their color codes? We should be able to fix this. Write me back.

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Need motherboard wiring for a t2824 especially for power switch, pwr led and hd led

The pins for these wires are usually located on the bottom right corner of the motherboard - near the cmos battery.
The pins are labelled on the motherboard.
The wires are also labelled.
All you need to do is to make sure that you match up the wires with the correctly labelled pin. There are 2 banks of pins. Labels are on both banks, but they're for different functions. Just make sure you have the wires on the right pins on the right bank.

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How do I replace the power supply?

To install a new power supply, you don't have to send your computer to a specialist; you can install one yourself.
Before You Purchase. You can buy a new power supply from your computer's manufacturer, a computer store, or an independent manufacturer, but first you should examine your current power supply. Check to see if your power supply is AT (Advanced Technology) or ATX (Advanced Technology Extended) style. Your power supply should be labeled AT or ATX, and in the same area, you should see the output voltage in watts (for instance, ATX-250W). Be sure to buy a new power supply with the same or higher wattage as your old power supply. The higher the wattage, the more energy your power supply will provide to your computer. If you're adding additional components to your PC, you should purchase a higher wattage power supply. Furthermore, measure the dimensions of your old power supply, and make sure these measurements are the same as the new power supply you're going to purchase.

Get Started. To replace your old power supply, you'll need a Phillips or flathead screwdriver, a well-lit, low-static area (avoid carpeted areas), small containers (to hold screws or loose parts), and a pen and paper.

Turn off your computer and all the peripherals (such as your monitor, printer, modem, and scanner). Unplug your PC and all the peripherals from their outlets. After that, unplug all peripherals from the back of the computer. Move to a well-lit, static-free area, such as a tile floor or a kitchen table. Remove the computer case or panels to expose the interior of your PC. The power supply is enclosed in a metal box located in the corner of your computer case.

Before you disconnect any wires, be sure to sketch and/or note where and how each of the wires is connected. These notes will help you remember where to plug things in when you install your new power supply. In addition, when you remove any components from your PC, you should put any loose screws or loose parts in separate, labeled containers to keep them safe and organized.

Find the bundle of wires that come out of your power supply. These wires connect to your motherboard and various drives. Follow the wires to their white, plastic connectors and pull each connector until it is free (never pull directly on the wires). Remove all wires from their internal components. You may have to disconnect the on/off switch if the switch is not built onto the power supply. Occasionally, a large bracket secures a computer's power supply. To remove the bracket, loosen the screws and take it out. Now, remove the four screws closest to the outside edge of the computer case. Don't remove the screws that hold in the power supply fan. Carefully lift out your power supply (don't be afraid to pull it out with a little force).

To install your new power supply, you can reverse the actions you took to remove your old one. Put the new power supply in the same place as the old unit, tighten the perimeter screws into place, replace the bracket, and reconnect the on/off switch. Reconnect the wires by following your sketches and/or notes in reverse. If you have any loose wires, bind them together with a twist-tie. Make sure the voltage switch visible on the power supply is set at 120V (120 volts, common in the United States). Replace your computer case/panels. Connect all peripherals and the power cord to the back of your PC. Plug your PC and the peripherals into their respective outlets.

Start It Up. Turn on your computer and monitor. You should hear the normal sounds of a computer powering up, such as the fan and hard drive spinning. If your PC doesn't turn on or if any components in your system don't function, you should turn off your PC and unplug it. Remove the case and check to make sure all the wires are properly connected. Replace the case, plug in your computer, and turn it back on. If you continue to experience problems, contact the power supply's manufacturer or your PC's manufacturer.

Or you can see this :

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Green power supply light blinking? HP Pavilion a820n

These wires vary based on the type of the board each wire lead is labeled to coorespond with the pins on the board. You need to reference the manual for your specific motherboard. If you don't have the original get it from the vendor support site or just google it. Unless your motherboard is an odd brand it should be easy to find.

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- I would think so that the network cable is unplugged to your computer. Just like a telephone cord,

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