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Power cord is defective. I bought the laptops on 12/23/07 at best buy and they said i would have to go directly to you for a replacement power supply

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They must have meant that you would have to go directly to HP for a new power cord. since I don't know your model, I can't look it up for you but you can go to www.hp.com/parts and find what you need for your specific PC and purchase it online. Probably will have it in a couple of days after purchase. We don't sell anything, just give troubleshooting support for our users. Good luck to you and if you cannot find your part send me the make and model of your PC as well as the model number and I'll look it up for you. Have a great day!

Posted on Aug 15, 2008

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Hi, it seems you are under the warrenty coverage. so it is better to go to the dealer for the replacement.
you can also try to repare it on your own
thanks

Posted on Aug 15, 2008

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5188-7520 power supply


You either need a cutting edge power supply or an older one The only thing you need to know is are you using mostly sata hard drives or ide hard-drives and does the graphics card require an extra plug Most power supplies have enough connections for most situations. I buy mine at Tiger Direct (Canada). In the USA many buy from NewEgg. Many other after market places exist so prices may vary. I like to have many y connectors to split the power or switch a connector back to ide power wires etc.

Oct 17, 2013 | HP PC Desktops

1 Answer

Dell inspiron 531s will not power on. It worked just fine and after I moved to a different home, it does not power on at all. I have tried different electrical outlets


Assuming you have tested those outlets with another electrical device (such as a lamp) and they are getting power, the problem might be the power cord, or static inside the computer. Try this:

1. Remove the power cord completely from the computer.
2. Press and hold down the power switch for 10-20 seconds. This drains any residual static in the circuitry.
3. Re-attach the power cord. Make sure it is seated firmly on the end that attaches to the back of the computer.
4. Plug it into a known good outlet and try to power on.

If that does not work, try replacing the power cord with a known good one. If it still doesn't power up, the problem could be either the power on button, or the power supply itself. Either could have been damaged during your move. You could open the computer case and see if anything appear loose, or any wires are obviously detached.

Power supply modules do ocassionally go bad on computers. They are not that expensive to buy, and not that hard to replace, though it might be a challenge for a novice. Before you buy and/or replace the power module, be sure to have the machine tested at a local store (Radio Shack, Best Buy, Office Depot, etc) to make sure that is really the problem. Many stores will perform a power supply test for a nominal fee.

Nov 24, 2011 | Dell Inspiron 531s Desktop Computer

2 Answers

How to check for defective processor, memory, PCI card or a defective motherboard on HP a744x? Then to replace each part.


There are only two ways to check if a part is defective. You can try it in a system that you know is working and see if the problem follows the part, in which case the good system will act up. Or you can substitute a known good replacement for the part in the non-working system and see if the problem goes away. In a service shop, or an office where there might be several computers, this works well because there are other systems and parts available. If you're trying to find the trouble in a home system, though, it can be frustrating if you don't have extra parts on hand. But parts substitution is the only way to figure out what part (or parts, since it is possible for several things to be wrong at once) is bad.

Feb 02, 2011 | HP Pavilion a744x (PN152AA) PC Desktop

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

Intel dot station 2300 pc power supply problem


I suggest to buy a new replacement Power Supply to immediately fix your problem, instead of getting the circuit diagram & try to locate/replace the part/s that might be cold soldered /defective which if not handled properly will result to another possible problem. best regards

May 22, 2009 | Intel Dot Station (INTC300AIO) PC Desktop

1 Answer

I need a replacement power cord for my laptop it is a single barrel power cord


You can pick up a universal power cord at Best Buy or Fry's. Radio Shack might also have one. Other than that you could google it and possibly order one, but it's best to buy a new one, not used.

May 01, 2009 | IBM Refurbished X SERIES200 PIII866 128MB...

1 Answer

Cannot boot no screen no lights


  • check if the the battery is charging
  • remove the battery
  • plug in directly to a known-good outlet with the power cord
  • remove the memory
  • if 2 memory chips, swap one after another
  • check if the power supply is working by putting your palm on the air passage below or on the side, it can be defective
  • or else motherboard is defective

Apr 25, 2009 | PC Desktops

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

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 | PC Desktops

2 Answers

Power supply replacment


You should be able to replace the power supply. It is usually held in place by 4-6 screws. Unplug the cables on the motherboard and drives. Reconnect the new ones and away you go. A generic supply will be fine if it is of the correct physical size. Bring the old one with you when you go to get the new one.
Dan

Mar 18, 2008 | HP Pavilion A520n (DW233A#ABA) PC Desktop

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