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Laptop AC ADAPTER - Computers & Internet

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Buy a new one but should be original and not a spurious one.
This is important for your laptop motherboard's life.

Posted on Apr 26, 2013

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My laptop will not come on at all


Make sure that you have the AC adapter plugged into the wall and the laptop, and that the outlet is working.
Make sure everything else is unplugged from the laptop (especially the USB ports), and that there is nothing in any optical disk drive (CD/DVD).
Remove the battery, and try booting with the battery out (but the AC adapter plugged in).
If that doesn't work, either test your AC adapter with a multimeter, or by using a compatible and known good AC adapter on your laptop, or by using your AC adapter on a known good laptop.
If you confirm that your AC adapter is good, but your laptop will not boot anyway, you probably need to take it to a shop.

Dec 24, 2014 | Computers & Internet

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

Lost my charger need to charge from internet


Laptop chargers also be called as power adapter, AC adapter or DC adapterCheap Laptop Charger online for UK For US: laptop AC adapter & laptop DC adapter You can use universal laptop AC adapter too.

Apr 29, 2011 | Computers & Internet

2 Answers

Hi, my laptop crashes when the ac adaptor is plugged in yet it will charge the battery fine when the laptop is shut down.


Problem description: The laptop shuts off when AC power adapter is plugged in. The laptop works fine on battery power but as soon as you connect it to AC adapter, the laptop turns off.
Possible cause: 1. Power adapter failure.
2. Motherboard failure.
Possible troubleshooting steps and repair solution: First of all, test the power adapter. Make sure the adapter outputs correct voltage. It's possible that the output voltage is not correct and the laptop shuts down to prevent the damage. Test your laptop with another known good power adapter.
If the problem still exists, even after replacing the adapter, most likely it's the motherboard failure. Replace the motherboard.

Resource: Acer Laptop AC Adpaters

Mar 20, 2011 | Acer Computers & Internet

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

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

Battery has gone dead. When I plug the A/C cord in the light on the charger immediately goes out and won't charge battery.


try connecting ac adapter alone without the laptop, check if ac adapter light will stay green or blue.
try another power outlet using the ac adapter alone without the laptop check if the ac adapter light will stay as green or blue. if all fails replace ac adapter.

if ac adapter stays green or blue try connecting to the laptop without the batt, check if the ac adapter light will stay on, if yes then try connecting ac adapter to laptop with the batt plugin check if the light stays green. if not update the BIOS. if fails replace motherboard.

Oct 12, 2009 | Dell Latitude D610 Notebook

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