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How to turn on the power?ac adapter is connected but no power?

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First try using another USB cord. If that isn't the issue the internal battery is probably bad and you need to replace the unit.

Posted on Mar 02, 2014

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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)

Jun 07, 2014 | Dell Inspiron Laptop 1440

2 Answers

My laptop wont start even though the light indicator in the charger is on


You may first try performing the steps mentioned below:
1) Connect the AC adapter into a known working AC outlet and to the DC jack on the notebook.
2) Verify the correct AC adapter is being used, and not a third-party replacement AC adapter.
3) Do not connect the AC adapter to a surge protector or extension cord.
4) If the DC jack on the computer is loose or damaged, the computer may require service.
5) Some AC adapters have a POWER LED indicator and can be confirmed as receiving power by ensuring the LED is lit. If the AC adapter is damaged, or the LED is not lit or continuously flickers when plugged into a working AC outlet, the adapter must be replaced.
6) Attempt to turn on the computer normally.
7) Press and hold the Power Switch for 5 seconds.
8) Remove the battery.
9) Disconnect the AC power adapter.
10) Press and hold the Power Switch for 5 seconds.
11) Connect the AC power adapter.
12) Attempt to turn on the computer.
NOTE: If the computer turns on without the battery, connect and charge the battery for 24 hours.
13) Disconnect all external devices that are connected to the computer.
14) Attempt to turn on the computer.
15) Remove any additional Random Access Memory (RAM) that was installed in the computer.
16) Attempt to turn on the computer.
17) The troubleshooting steps listed above should resolve your issue.
If you have completed all of the steps and the issue is not resolved, service may be required.

Jul 06, 2010 | Dell Latitude D600 Notebook

1 Answer

Acer 5920 aspire wont start


1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well.

2. Make sure AC Adapter is not yet connected to the laptop. Pressand hold on the laptop’s power button for 10 seconds to drain the powerflea.

3. Connect the AC Adapter for laptop to a known good power outlet, check ACAdapter power LED if it is on. Try to sense if AC Adapter is not makinga bit of noise when it is plugin to the wall power outlet.

4. Connect now the AC Adapter tothe laptop. Check if AC Adapter LED stays on when it is connected tothe laptop. If the LED stays on means the AC Adapter is fine. If the ACAdapter LED turned off check the AC Adapter pin that goes to the laptopAC socket if it is loose.

5. If AC Adapter stays on after connecting to the laptop try topower on laptop. If no power LED comes on then this is motherboardproblem.

6. Before replacing the motherboard there is one checking needs todo. If you can open your laptop bottom part then good, do this whenlaptop is not connected to any power source. Try to reseat the laptopCMOS battery then try to power on laptop after, if still fails thenreplace motherboard. I hope this helps.

Jan 19, 2010 | Acer Aspire 5920-6727 Notebook

3 Answers

I have a dell Inspirion 9400 and it won't start. When I press the power button, all that happens is the power light and the dvd player light comes on and about 3 seconds it turns off. Does it with and...


It shows no power on your laptop but it shows you the dvd player led comes on then off. I would suggest try the following:
1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well. 2. Make sure AC Adapter is not yet connected to the laptop. Press and hold on the laptop's power button for 10 seconds to drain the power flea. 3. Connect the AC Adapter to a known good power outlet, check AC Adapter power LED if it is on. Try to sense if AC Adapter is not making a bit of noise when it is plugin to the wall power outlet. 4. Connect now the AC Adapter to the laptop. Check if AC Adapter LED stays on when it is connected to the laptop. If the LED stays on means the AC Adapter is fine. If the AC Adapter LED turned off check the AC Adapter pin that goes to the laptop AC socket if it is loose. 5. If AC Adapter stays on after connecting to the laptop try to power on laptop. If no power LED comes on then this is motherboard problem. 6. Before replacing the motherboard there is one checking needs to do. If you can open your laptop bottom part then good, do this when laptop is not connected to any power source. Try to reseat the laptop CMOS battery then try to power on laptop after, if still fails then replace motherboard. I hope this helps.

Dec 12, 2009 | Dell Inspiron 9400 Notebook

1 Answer

Cannot get my computer to turn on


remove all external peripherals. remove laptop battery. remove ac adapter.
plug ac adapter to wall power socket without the laptop connected check if the ac adapter led will stays on. if yes then connect it to the laptop and check if the ac adapter led turns off. if yes motherboard laptop has problems and need to be replaced.
if ac adapter led stays off without connecting laptop, try different wall power socket, if still ac adapter led is off then replace the ac adapter.
if ac adapter has light stays on then connected to laptop but laptop cannot even power up even the ac adapter led is on then laptop motherboard needs to be replace.

Dec 09, 2009 | Dell Studio 15 Laptop

1 Answer

The on off button is stuck in. is there anything you can do or do i just buy a new one.


Reset the camera
  1. Turn off the camera, if possible.
  2. If an SD memory card is installed, remove the card.
  3. Remove power from the camera as described below:
    • If you are using only batteries for power, open the battery/memory card door and remove both batteries.
    • If you are using only the HP AC power adapter, disconnect it from the camera.
    • If you are using both batteries and the HP AC power adapter, remove both batteries and the power adapter.
  4. Wait for 15 seconds. Then reinsert the batteries and close the battery/memory card door or reconnect the HP AC power adapter to the camera. If you are using both batteries and AC power, try each method separately.
Turn the camera on and off. If the issues is not resolved do the following

Connect the camera to the optional AC power supply
  1. Connect the camera to the optional AC power supply. Ensure that the AC power supply is connected to a working power outlet.
  2. Try turning the camera on.
  • If the issue is resolved , you do not need to continue with the rest of the instructions in this document.
If the is not resolved ,then repeat setps 1 to 4 abiove but remove the batteries and keep the AC power adapter connected.

Oct 14, 2009 | HP Photosmart M425 Digital Camera

1 Answer

Today my cord for my toshiba was behind my pillow and i was lying on it. and I didnt notice, but then it showed that my laptop wasnt charging did my cord just get too hot? will it work later?


The power adapter does not have a temperature sensitive device, therefore it won't stop for overheating if not in consequence of a fault.

Try leaving the power adapter unplugged for about ten minutes.
In the meanwhile also remove laptop battery and put it back.
Connect it back to AC and laptop.
Ensure that connection to laptop and power cord connection to AC adapter box are both well plugged.
Before turning on laptop leave it connected for few minutes.
If laptop still does not turn on and battery does not charge, then the AC adapter is faulty.
A further test can be done using a multimeter to read voltage on AC adapter plug.

A replacement AC adapter is not expensive and can be purchased online. Try entering in Google your Toshiba model followed by the words "power adapter".

Aug 15, 2009 | Dell Inspiron 5100 Notebook

4 Answers

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.
    NOTE: To check the wall outlet, plug in a different known working device like a light, radio etc.
  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.

Feb 02, 2009 | HP Pavilion dv2000t 14.1" Notebook Laptop...

3 Answers

Will not boot up or turn on though it is getting power


The Charger could be bad, Try replacing that, or let charge, then try to turn on. The laptop might not boot with AC power. kinda stupid but maybe. If that doesn't work, the AC adapter is bad.

Jun 12, 2008 | Lenovo 3000 N100 0689 Notebook

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