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I disconnected my power supply and can't remember which cables go where.

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There is no "order" to the cables that provide power to the devices. One needs to go to the hard drive (each hard drive), one to the CD-ROM drive, one to the floppy (if you have one), one to any case fans that require it, etc.

There will also be a connector (or two) that come from the power supply that go onto the motherboard that supply power to it. They only go in one way, so you can't mess it up. However, if you bought an AT power supply for an ATX motherboard (for example) they won't be the right connectors.

Start with the edge of the motherboard closest to the power supply and slowly look at the board until you see the connectors. That's where they go.

Hope this helps - remember to rate :)

Posted on Oct 02, 2008

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Replace power jack


Power supply failures in a HP computer can cause your computer to fail to turn on, to operate erratically or cause certain system components not function.

However, the power supply is one of the easiest parts of a computer to replace.
You don't need any special skills to do this.

If you're nervous about opening up your computer case and potentially damaging a computer component, don't be.

All you are really doing is plugging in power supply cables after securing the power supply.
The process should take 10 minutes maximum.

Shut down your HP computer.
Disconnect the power cable from the power supply on the back of your computer.

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.

Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards.


Unscrew the side panel from the back of the case and slide it off.
Newer HP computers may have a case door you can open for access or have access buttons to press.


Look at the back of your HP computer case for a set of four screws near the top of the case. Remove these screws and set them aside.
Carefully slide your power supply out of the mounting brackets and set it on a clean working surface.
Do not disconnect any of the power connectors yet.

Slide your replacement HP power supply into the case and use the mounting screws to attach it to the chassis.


Use your old HP power supply as a guide to connect your new power supply to all the computer components.

Switch the power cables from each device from the old supply to the new supply so you don't miss connecting any cables.

Check that all the components have power cables inserted and the old HP power supply is completely disconnected from the system.

Close the HP computer case and plug the power cable into the new HP power supply.
http://www.fonerbooks.com/r_power.htm

Apr 15, 2014 | HP Hewlett Packard Pavilion Slimline...

1 Answer

My Life Fitness Display is completely dead, worked fine the last time it was used 2 weeks ago


11_22_2011_12_21_49_am.gifAdjust for 1/8" and clean the sensor switch. Remember the main boar controller motor control the function for the display board(by power supply, electronic signals like the sensor reed, etc) Tight the flexible cable or ribbon cable and plug with carefully and paciencie, Disconnect the power cord

Oct 22, 2011 | Life Fitness 9100 Next Generation...

1 Answer

My seagate freeagent 1tb is blinking whit lights and my computer does not recognize it. Help me


***Please NOTE***
Touch the drive and put your ear to it, to test if the drive is spinning and working. Do this while it is powered on. Also, try disconnecting the USB cable, reboot the computer, re-connect USB cable to another USB port on computer. If you still have the same issue, try the below solutions.
  • Make sure the computer and external hard drive are powered on.
  • Disconnect the external drive's USB or the eSATA cable, which ever one you're using.
  • Disconnect the power supply plug from the external drive.
  • Power off the computer.
  • Disconnect the computer's power supply cord for 60 seconds.
  • Reconnect the computer.
  • Power on the computer.
  • Connect the power supply to the external drive.
  • Connect the drive's USB or the eSATA cable and check for detection.
If the still no detection and still blinking lights on the drive, check the power supply to the drive.
Check to see what the led light on the power supply is doing.
If it's blinking, power down the drive, unplug data cable and then reconnect the power supply to another electrical outlet. If it still blinks repeatedly, then you power supply is bad.
If the led is solid (lit and not blinking) follow the same steps from above to connect it to another outlet.
Next, plug the power supply to the external drive and power it up.
If the power supply starts to blink repeatedly, then your controller board inside the enclosure is bad.

Thank you for the opportunity to help you.

Jun 04, 2011 | Seagate FreeAgent Pro 1TB External USB...

1 Answer

How to change fuel filter mazada 2003 tribute


Mazda Tribute 2001-06
Fuel Filter - Removal & Installation
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Properly relieve the fuel system pressure.
  3. Remove or disconnect the following:
    Negative battery cable Fuel line to the fuel filter
  4. Loosen the clamp and remove the filter
To install:
  1. Install or connect the following:
    New clips to the fuel lines Fuel filter and tighten the clamp Fuel lines to the fuel filter Negative battery cable
  2. Start the vehicle and check for leaks, repair if necessary.
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Properly relieve the fuel system pressure.
  3. Disconnect the negative battery cable.
    NOTE To deplete the backup power supply energy, disconnect the negative battery cable and wait at least one minute. Be sure to disconnect auxiliary batteries and power supplies, if equipped.
  4. Disconnect the fuel line at the fuel filter.
  5. Loosen the clamp and remove the filter.
To install:
  1. Install or connect the following:
    New clips to the fuel lines Fuel filter and tighten the clamp Fuel lines to the fuel filter Negative battery cable
  2. Start the engine and check for leaks, repair if necessary.

Hope this help; TY for using Fixya (remember comment and rated this).

Apr 01, 2010 | 2003 Mazda Tribute

1 Answer

Pavillion does not start up push power on and nothing happens blinking light on back of power supply


Power supply light on or flashesPerform the following steps, in order, until power is restored or it is determined that there is a hardware failure: CAUTION: This product contains components that are easily damaged by ElectroStatic Discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (like a conductive foam pad), and wear an ESD wrist strap that is connected to a grounded surface, like the metal frame of a PC.
  1. Disconnect everything from the computer, including the power cord.
  2. With the power cord disconnected , press the power button on the front of the computer for five seconds.Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
    NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply
  3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America.Performing this step ensures that the voltage switch is engaged and set correctly for your country/region. Figure 4: Voltage selector switchc00517964.jpgPlug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
  4. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
  5. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it.
    NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
  6. Remove all attached devices except for keyboard, mouse, and monitor.
  7. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
  8. Check the power switch:
    1. With the power cord disconnected, press the power button on the front of the PC. The button should release easily and not stick in the socket.
      • If the button sticks, it should be replaced or serviced.
      • If the power button does not stick and appears to be functioning, continue using these steps.
    2. With the power cord disconnected, remove the case or side panel.
    3. Follow the wires from the power button on the front of the computer to their connection on the motherboard.
    4. Look at the power switch cables connected to the motherboard. If the cable has become disconnected, connect the power switch cable connector to the connector on the motherboard. Figure 5: Power switch connector on Motherboardc00517968.jpg
    5. Replace the side panel, plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
  9. Find the defective part:
    1. With the power cord disconnected, remove the case or side panel.
    2. Disconnect all power cable connectors from their connectors on the motherboard and from the back of internal devices (the back of drives). Make sure to label or remember where each cable connects for future reference. Figure 6: Example of common power connectionsc00540428.jpg
    3. Replace the side panel, plug in the power cord, and examine the light on the back of the power supply:
      • If the LED is on solid and is not flashing, the power supply is probably good and the problem is most likely caused by a defective component (processor, memory, PCI card) or a defective motherboard. Have the computer serviced, or remove the components and replace them, one at a time, to find and replace the defective component.
      • If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced.
      • If the LED light is now off, plug the power cable into a different power outlet that is known to be good. If the LED stays off, the power supply should be replaced.

      NOTE: If an electrical storm or power surge has recently occurred, then it is more likely that the power supply, the modem, or motherboard is damaged and requires replacement. If the power supply was damaged due to power outage or storm, this may not be covered under the "act of nature" policy in the warranty statement. Refer to the warranty statement that came with your computer for more information.

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1 Answer

Scanner showing error 04 and cant let me scan


Disconnect the power supply from the back of the scanner base.
Disconnect the USB Interface cable and the ADF Accessory cable from the back of the scanner.
Press and hold the E-mail and Copy buttons at the same time. While pressing the E-mail and Copy buttons, reconnect the power supply to the scanner.
Reconnect the power supply and turn on the scanner.
Press the Scan Doc button. the carriage will start moving back and forth in the full scan bed length. To exit test, disconnect the power supply.

now try to scan the document ..........

Dec 14, 2009 | HP ScanJet 7650 Flatbed Scanner

1 Answer

Dell Optiplex GX280 Power switch flashes white light rapidly system will not turn on Fans do not start


Outlet - unplug the power cable and put it on an outlet on its own Power Cord - make sure you remove the power cable from the back and plug it back in to make sure you have a good connection. things that cause this blinking light: Power Supply -open system and follow cables to make sure its connected well to each part. I/O Panel - this is where the power button is at . just open the system and follow it behind the power button.the flat cable going to the mother board , disconnect it. plug the power cable to the wall and if the system starts up then the power supply is good and the the cable that you just disconnected is bad.

If it still doesn't power up remove
memory
hard drive
dvd/cd drive
and start the system.
no luck then it is the systemboard.

Nov 25, 2009 | Dell PWR LED CONTROL SWITCH DELLOPTIPLEXG1...

1 Answer

Fast green blink


Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure:

1.Disconnect everything from the computer, including the power cord.
2.With the power cord disconnected , press the power button on the front of the computer for five seconds. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply

3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America.
Performing this step ensures that the voltage switch is engaged and set correctly for your country/region.

4. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
5. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
6. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it.
NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
8. Remove all attached devices except for keyboard, mouse, and monitor.
9. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
10. Check the power switch:
a. With the power cord disconnected, press the power button on the front of the PC. The button should release easily and not stick in the socket.
  • If the button sticks, it should be replaced or serviced.
  • If the power button does not stick and appears to be functioning, continue using these steps.
11. With the power cord disconnected, remove the case or side panel.
  • Follow the wires from the power button on the front of the computer to their connection on the motherboard.
  • Look at the power switch cables connected to the motherboard. If the cable has become disconnected, connect the power switch cable connector to the connector on the motherboard.
  • Replace the side panel, plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
12. Find the defective part:
  • With the power cord disconnected, remove the case or side panel.
  • Disconnect all power cable connectors from their connectors on the motherboard and from the back of internal devices (the back of drives). Make sure to label or remember where each cable connects for future reference.
  • Replace the side panel, plug in the power cord, and examine the light on the back of the power supply:

13. If the LED is on solid and is not flashing, the power supply is probably good and the problem is most likely caused by a defective component (processor, memory, PCI card) or a defective motherboard. Have the computer serviced, or remove the components and replace them, one at a time, to find and replace the defective component.

14. If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced.

15. If the LED light is now off, plug the power cable into a different power outlet that is known to be good. If the LED stays off, the power supply should be replaced.

NOTE: If an electrical storm or power surge has recently occurred, then it is more likely that the power supply, the modem, or motherboard is damaged and requires replacement.

Apr 11, 2009 | HP Pavilion a340n (DQ099AABA) PC Desktop

1 Answer

T5026 won't start up


Unplug the power cord, open the computer and disconnect all the power cables (the cables going from the power supply to motherboard and drives). Then reconnect the power cord and see if the light on the PSU comes on, if so disconnect the power cord and plug in the motherboard connectors and continue connecting components one by one to determine which may be the problem. If no power light with everything disconnected then the PSU needs replaced.

Jan 03, 2009 | E-Machines Emachine T5026 power supply **...

1 Answer

CPU doesn't turn on!!


    • Power supply light on or flashes Perform the following steps, in order, until power is restored or it is determined that there is a hardware failure: CAUTION: This product contains components that are easily damaged by ElectroStatic Discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (like a conductive foam pad), and wear an ESD wrist strap that is connected to a grounded surface, like the metal frame of a PC.
      1. Disconnect everything from the computer, including the power cord.
      2. With the power cord disconnected , press the power button on the front of the computer for five seconds. Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps. NOTE: If the power supply fan makes an inconsistent grinding sound or stops and starts erratically, replace the power supply
      3. With the power cord removed, flip the red voltage selector switch to the opposite position. Wait about five seconds, and then switch the red voltage selector switch back to its original location. Ensure that the voltage selector switch is on the correct setting, 115V for North America. Performing this step ensures that the voltage switch is engaged and set correctly for your country/region. Figure 4: Voltage selector switch c00517964.jpg Plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
      4. Plug a lamp into the same outlet to see if the wall outlet has power. Try the computer in a different outlet in order to eliminate the outlet as a possible source of the issue. Test both to see if the wall outlets have power.
      5. Remove all extension cords, power strips, surge protectors and any converters that remove ground. Plug the power cable directly to the wall outlet. Test for power. If this fixes the issue, find the device that is causing the issue and do not use it. NOTE: If you find the device that was causing the problem was a surge protector, resetting a breaker or fuse on the surge protector may fix the issue.
      6. Remove all attached devices except for keyboard, mouse, and monitor.
      7. Remove any internal component that was recently added, such as video card, memory, CD, DVD, and hard drives. An added device may take more power than the power supply is rated for. If the problem goes away when the component is removed, the only option is to upgrade the power supply to power supply with a higher wattage rating.
      8. Check the power switch:
        1. With the power cord disconnected, press the power button on the front of the PC. The button should release easily and not stick in the socket.
          • If the button sticks, it should be replaced or serviced.
          • If the power button does not stick and appears to be functioning, continue using these steps.
        2. With the power cord disconnected, remove the case or side panel.
        3. Follow the wires from the power button on the front of the computer to their connection on the motherboard.
        4. Look at the power switch cables connected to the motherboard. If the cable has become disconnected, connect the power switch cable connector to the connector on the motherboard. Figure 5: Power switch connector on Motherboard c00517968.jpg
        5. Replace the side panel, plug in the power cord and test to see if the computer can turn on. If not, continue using these steps.
      9. Find the defective part:
        1. With the power cord disconnected, remove the case or side panel.
        2. Disconnect all power cable connectors from their connectors on the motherboard and from the back of internal devices (the back of drives). Make sure to label or remember where each cable connects for future reference. Figure 6: Example of common power connections c00540428.jpg
        3. Replace the side panel, plug in the power cord, and examine the light on the back of the power supply:
          • If the LED is on solid and is not flashing, the power supply is probably good and the problem is most likely caused by a defective component (processor, memory, PCI card) or a defective motherboard. Have the computer serviced, or remove the components and replace them, one at a time, to find and replace the defective component.
          • If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced.
          • If the LED light is now off, plug the power cable into a different power outlet that is known to be good. If the LED stays off, the power supply should be replaced.
          NOTE: If an electrical storm or power surge has recently occurred, then it is more likely that the power supply, the modem, or motherboard is damaged and requires replacement. If the power supply was damaged due to power outage or storm, this may not be covered under the "act of nature" policy in the warranty statement. Refer to the warranty statement that came with your computer for more information.

Jun 20, 2008 | Computers & Internet

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