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Power on laptop on ac adapter - HP Compaq 6710b Notebook

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Posted on Mar 14, 2008

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SOURCE: my hp pavillion was no power without ac adapter

if the pc is not getting power without the ac adapter then most likely the battery is dead if it does not take a charge via the ac adapter then then the battery is no good or the ac adapter is busted

Posted on Apr 28, 2010

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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

1 Answer

Laptop is turning on and off


Remove the AC adapter (Charger)

PROPER method is to disconnect the power cord of the AC adapter, from power; THEN unplug the AC adapter from the laptop.

Same thing in reverse to plug the AC adapter back in.
AC adapter is plugged into laptop, THEN AC adapter is plugged into power.

Unplugging the AC adapter from the laptop, while being plugged into power; can cause a Voltage Spike.

You may get away with it for years, and several laptops; and have no problems.

However it only takes ONCE, to fry out the SMD fuses, Multi-Layer Ceramic Capacitors, and Power MOSFET's, on the laptop motherboard's DC to DC circuit.

Jus sayin'.

Moving on........

AC adapter removed, remove the Battery.
Press the Power On button in, and hold in for a count of 10 seconds.
Let go.
Do this procedure 2 more times.

(Draining residual power)

Reinstall the Battery. Attach the AC adapter, plug AC adapter into power. Let the Battery charge 24 hours.
Then turn the laptop on, and tell me what happened.

Regards,
joecoolvette

Mar 15, 2013 | HP Pavilion Computers & Internet

1 Answer

Power problems


Unplug the AC adapter (Charger) from power. Unplug the AC adapter from the laptop.
Remove the Battery.

Press the Power On button in, and hold it in for a count of 10 seconds.
(And I mean 10. Count, 1001,..1002,..1003,..etc)

Reinstall the Battery. Plug the AC adapter back in. Plug the AC adapter into power.

(ALWAYS plug the AC adapter into the laptop FIRST, then plug the AC adapter into power.
Why?
To avoid a voltage spike at the laptop)

WAIT 1 minute, turn the laptop on.

Still no?

Then the AC adapter needs to be checked, to see if it is putting out the correct voltage.

Don't know, Model Number wasn't stated.

AC adapter checks out, then it is on to the DC Power Jack.
The jack on the laptop (DC_IN) that the AC adapter plugs into.
What style?

Don't know the Model Number wasn't stated.

DC Power Jack checks out, then I suggest you have a problem with a Power MOSFET,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html

(Model Number is on the Bottom of the laptop. Plus, this IS a Dell, right?)

Post back in a Comment.

Regards,
joecoolvette

Feb 19, 2013 | Dell Inspiron Computers & Internet

1 Answer

I can't get my dell inspiron to power on. I will charge the battery using the wall charger but will not come on. What can I try?


Try this if will help.

Remove battery and unplug the ac adapter from laptop.

Without the power sources hold down the power button for 10 seconds.

Check the ac adapter from wall power socket if ac adapter LED is ON.

Plug back in the ac adapter to laptop then check the LED from the ac adapter if it stayed on.

If ac adapter LED turned off right after you plug in the ac adapter to laptop then you need to replace the ac adapter, motherboard and power daughter board.

Hold down the D key then Press Power Button once. Check if color display will appear in the screen.

if the ac adapter stays on you and still no power indicator from the laptop you need to replace motherboard and power daughter board.

Hope this helps.

Jun 02, 2011 | Dell Inspiron 6000 Notebook

1 Answer

Studio 1537 touch power button wont work


1. remove battery and ac adapter 2. connect the ac adapter to a different power socket without connecting to laptop. just check if the power led on the ac adapter will lit on. 3. if ac adapter led is on, connect ac adapter alone without the battery then try to power on the laptop. check if the power button or the media controls lit on if not then replace motherboard.

Apr 20, 2010 | Dell Studio 1537 Laptop

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

Dell precision m50 will not boot power light just flashes when I push the power on button. I have reseated all of the connection in the laptop. I have tried different batteries and different power...


remove external peripherals. remove battery. use ac adapter alone. check if ac adapter has sufficient power or check if ac adapter led is solid green or blue. if not then ac adapter might not giving laptop enough power to power up.
if ac adapter led stays on but some problem check the ac adapter - laptop pin socket if loose or damage. if not then replace mobo.

Dec 07, 2009 | Dell Precision M50 Notebook

1 Answer

Not charging


which green light?

light from the ac power adapter or the light from the battery?

if ac power adapter you are referring to try a diff power wall socket if ac power adapter still off then replace ac power adapter alone.

if battery light is off but the laptop works fine with ac adapter alone try updating the laptop BIOS.

if ac adapter light turns off when it plug to the laptop replace motherboard.

Oct 13, 2009 | Dell Latitude D531 PC Notebook

1 Answer

Sony Vaio ac adapter submerged


If the ac adapter was plugged into the laptop at the time may be bad news. Unplug AC adapter, take out the battery and hold power button for 10 seconds. Then connect AC adapter and hit power. If that doesn't work put battery back in without ac adapter and hit power button.

If neither test works bring to repair center for diagnosis. Best case AC adapter would need replacing. Worst case Motherboard fried.

Thanks

Mar 23, 2008 | Sony VAIO VGN-FS630/W Notebook

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