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The power LED is on , but the notebook PC does not power on

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  • Jack Denton Jr.
    Jack Denton Jr. Nov 22, 2014

    are you comfortable taking the ram out? First, unplug it, then take the battery out, turn it back over push the power button down and hold it. Remove the ram then turn it back over push the power button down. then insert 1 ram stick, plug it in with no battery. If it comes on turn it off and swap the other ram stick, and try it again. If this also works, turn it off put it back together with no battery,plug it in and turn it on. If it works turn it off and put it back together.I either ram stick doesn't work that stick is bad just leave it out and order a new one. if none of this works your computer needs a serious repair. My email is jack.jr2012@yahoo.com

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  • 13 Answers

Need more details, like model #

Posted on Nov 21, 2014

Testimonial: "it's hp elitebook 2540p"

  • nosa alattar
    nosa alattar Nov 22, 2014

    dear Jack,

  • nosa alattar
    nosa alattar Nov 22, 2014

    the model # is hp elitebook 2540p

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1 Answer

My laptop is not powering on help


1.Connect the Ac adapter to a known good power outlet. Check the Power LED indicator on AC adapter (without plugging into the Notebook). We are only checking the power AC adapter to see if that is working.
2.If LED on the AC adapter is not lit (when unplugged from notebook), reseat the AC adapter brick and cable. If still there is no light on AC Adapter replace AC adapter and Power cord.
3.If LED on the AC Adapter goes off only after connecting to Notebook, the issue is with the motherboard. Replace Motherboard, DC-In port (AC adapter connector).
4.If the AC Adapter LED is always ON, take a technician's help and reseat the Power Button Board. You can refer to the Service Manual for details on how to reseat the Power Button Board. (NOTE: Before the notebook chassis is opened ensure all the power connections including battery and external devices are disconnected)

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Can noy ged moden check shows working t wireless to work ethernet works an- looking for button to turn wireless on . Lookig for actual button to turn wireless on. Do not know where it is at - Thank You


The location of the Wireless ON/OFF switch is on the right hand edge side of the Notebook. Please see image below, it is No. 8

moz-screenshot-2.pngPlease let me know if the information provided has been helpful.
11997_ov.gif
11997_ov.gif 1. Easy Access Buttons (5) 2. Stereo Speakers 3. Touch Pad On/Off Button LED 4. Fixed Optical Drive 5. Touch Pad 6. Primary Battery 7. Wireless LED 8. Wireless On/Off Button 9. Battery Charging LED 10. Hard Drive Activity LED 11. System Power LED 12. Mute Lock LED 13. Volume Controls 14. Headphone 15. Audio In 16. 1394 Port 17. PC Card Slots (1) 18. RJ-11 (Modem) 19. Air Vent 20. Kensington Lock 21. Power Button LED 22. Caps Lock LED 23. Num Lock LED 24. Keypad LED

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HP DV2036ea i have a blank screen on the computer


Hello there

Description.

When pressing the notebook power button nothing is displayed on the screen or display. The cause of this problem may be a failed AC adapter, the memory modules (RAM) need to be reseated or a failed notebook system board component which will require an HP certified repair.

Below steps will assist in identifying the cause of the problem and suggest the best solution. Test the AC adapter Follow the steps below to determine whether the problem is related to the AC adapter or your notebook system board.
  1. Remove the battery and disconnect all external devices from the computer.
  2. Hold the Power button for several seconds, with all power sources removed. This drains residual power from the system, and may correct many problems.
  3. Connect the AC adapter to a wall outlet and plug the other end into the computer.
  4. Press the Power button to start the notebook PC.
If the notebook does not start or the display is blank then check the power indicator light or power socket LED. Check the power indicator light or power socket LED On newer models of notebook PCs, there is an LED or indicator light around the power socket on the notebook. Check to see if this light is on or off, when the notebook is plugged into AC power.The power indicator light or power socket light should turn on when the AC adapter is connected.

  • If the light does not turn on then the problem is most likely related to the AC adapter or the electrical source in your home or office. Go to the Light does not turn on section on this page.
  • If the light does turn on but the notebook does not start or the there is a blank screen then continue to the Light does turn on but the notebook does not start section on this page

The light does not turn on when the AC adapter is connected If the power indicator LED is off, the AC power adapter may need to be replaced. To determine if the AC power adapter needs to be replaced follow the steps below:
  1. Ensure that the AC adapter is plugged directly into a known working wall outlet.
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  2. Check all of the following connections:
    • The connection from the power cord to the wall outlet.
    • The connection into the power adapter from the power cord.
    • The connection from the AC adapter to the notebook power socket.
  3. Press the power button again to test the notebook PC.
If the power indicator light still does not turn on, then the AC Adapter needs to be replaced. Contact HP Service and Support for further assistance. Power socket LED or power indicator light is on but the notebook does not start If notebook power indicator light (LED) is on, the AC adapter is working correctly. The problem is a result of a hardware failure in the notebook itself. In some cases, reseating the memory module (RAM) may solve the problem.

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1 Answer

On HP 530 notebook battery/power indicator is always on as long as battery is connected and even when ac power is connected the situation is still the same.


Clarification of your battery/power led indicator:

Solid amber:
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Solid green:
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Blinking amber:
Battery is low

Led is of:
Battery is charged

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