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My laptop didn't turn on with battery on,,and I try with the adapter but didn't turn on also..

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I had a similar issue with my laptop. Mine turned out to be a bad charger cord the "brick" on the cord was bad had to get a new one works fine now. that would be where I would start to look.

Posted on Mar 24, 2011

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Posted on Jan 02, 2017

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Lenovo laptop shut down and will not turn on. Tried removing all power and holding down power button but didn't work. When I press power button the te button lights up for a few seconds then goes out. ...


disconnect the adapter +battery HOLD THE POWER button by 30 seconds aprox, this trick is by eliminate all ESD.
Try again connecting the adpater +battery, if work is o.k
If the problem persist, connect only the adapt and see if the computer work, if does , connect the battery, if work is o.k .if doesnot.
The battery is faulty, RUN the software diagnostic with the adapter and see what going on inside of computer, the power supply inside can be faulty or the battery.

As a last trick, open the battery take out the small battery for CMOS, by 20 seconds. And turn on the computer can be TURN on.

God bless you

Jun 23, 2013 | Computers & Internet

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How to troubleshoot a dead laptop and find the problem


We may offen face the same problem :when our laptop is dead. In this post I’ll explain how to troubleshoot a dead laptop and find the problem. The following troubleshooting tips are not model and brand specific, they should work for most laptops.
Let’s take a look at two different scenarios.
Example 1. The laptop is absolutely dead.
When you plug in the power adapter and press on the power button, there is no signs of life at all. The laptop will not make usual noises, LED will not light up, the fan will not spin, the screen is blank and black, etc… In short, the laptop is dead.
apple-a1172.jpg?w=300&h=225
What you can do in this case?
1. Make sure the wall outlet is working and the laptop DC adapter is getting power from the outlet. Try another wall outlet.
2. Test the laptop DC power adapter, make sure the voltage output is correct. You can test the DC power adapter with a voltmeter.
3. Let’s say the DC adapter is fine and the adapter outputs correct voltage. In this case unplug the power adapter from the laptop, remove the battery, wait for 1-2 minutes, plug in the adapter and try turning on the laptop again.
hp-pavilion-dv8000z4.jpg?w=300&h=225
OK, you tested the adapter and it’s bad. If you decide to replace the original DC adapter with a generic one, you’ll have to follow this rule:
The voltage output on your new adapter has to be exactly the same as on the original adapter. The amperage on the new adapter could be the same or higher.
If nothing helps and the laptop is still dead, apparently the motherboard is fried or there is a problem with the DC power jack. It’s possible the DC power jack is broken and the motherboard is not getting any power from the adapter. In this case you’ll have to disassemble the laptop and replace the power jack. Check out this guide for fixing laptop power jack.
Example 2. When you plug the DC power adapter and press on the power button, the laptop starts making normal noises, the LEDs work properly but noting appears on the screen. The laptop will not start.
First of all, take a closer look at the LCD screen. Look at the screen under bright light. It’s possible that the image is still on the screen but it’s very faint. If that’s the case, check out these tips for troubleshooting laptop with backlight failure.
If there is no image on the laptop LCD screen, test the laptop with an external monitor. Connect an external monitor to the VGA port on your laptop and turn the laptop on. You can toggle video output between the internal LCD screen and external monitor by pressing Fn and F4 keys simultaneously on HP laptops, Fn and F5 keys on Toshiba laptops, Fn and F7 keys on IBM laptops. Other laptops may use different key combinations.
Let’s say the external monitor works fine but the internal LCD screen has no image at all. If that’s the case, your problem could be related to the LCD screen or the video cable. Also, make sure the video cable makes good connection with the motherboard and the LCD screen. Try reconnecting, reseating the cable.
In my case, both internal and external monitors were absolutely dead. Neither of them had image. That means the problem is not related to the LCD screen or the video cable. From my experience I know that this problem could be related to the laptop memory.
Try reseating the memory module, maybe it’s not making good connection with the memory slot. Try cleaning contacts on the memory module with pen eraser. Try moving the memory module into another slot. Try replacing the memory module with another known good module, it’s possible that your original module is dead.
If you have two memory modules installed you can try removing them one by one, it’s possible that one of the modules is bad. Try installing different memory modules into different memory slots.
In my case reseating, swapping the memory module didn’t help. I was pretty confident that my problem is not memory related and I moved on.
Try removing battery, hard drive and DVD drive and turning on the laptop without these components.
Also, try turning on the laptop with an external monitor when the video cable is unplugged from the motherboard. If the laptop start with video on the external monitor, apparently there is something wrong with the laptop display panel.
In my case removing the hard drive and DVD drive didn’t help. Unplugging the video cable didn’t help either.
I continued taking my laptop apart piece by piece and tested it after each step.
I removed wireless card, modem, disconnected the keyboard but it didn’t help.
98-01200-001_replacement-acer-aezl1tnro19.jpg?w=300&h=225
I still wasn’t able to boot the laptop with video on the external monitor.
Finally, I disassembled the laptop and removed the motherboard.
On this picture you see my final test. The motherboard has been removed from the base and I assembled basic barebone system on my bench.
1. Motherboard. Like on most laptops, in my case the video card is integrated into the motherboard
2. CPU with heatsink and cooling fan.
3. Known good memory module.
4. The power button board witch I need to turn on the system.
5. Working DC power adapter.
Still cannot get any video on the external monitor. The system turns on, the cooling fan starts spinning but there is no video.
At this point I’m 95% sure that the motherboard is dead. CPU failures are not very common, so it must be bad motherboard. may be this arcitle is good for you.thank you for reading.

see more information from http://udtekbattery.wordpress.com

on Feb 08, 2010 | Computers & Internet

1 Answer

When I attempt to turn on my computer I get a light indicating power. However, the computer never boots up. The computer is also plugged in so it shows the battery light as well. I didn't know if it...


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the netbook, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

Aug 27, 2011 | Coby NBPC1023XPBLK Netbook PC

1 Answer

HP dv7-1448 not powering up, even when plugged in


Try this:

1. Unplug the machine and remove the battery.
2. Hold down the power button for 30 seconds with the battery out and unplugged.
3. Replace the battery and plug it back in.
4. Try and power it up.
5. If it doesn't work, there is the potential that the battery is dead and the AC adapter may be broken. This would prevent the battery from being charged and it wouldn't work when it was plugged into the wall, so try and borrow an adapter from the same laptop to test this.
6. Hopefully something worked, because if it didn't, the laptop may bed dead. Hope this helps!

Aug 25, 2011 | Computers & Internet

1 Answer

My LG laptop is not powering on. what will i do? I didn't used it for three days then when I started to turn it on. there is no power. When I put the power cord, there is no light on the battery. What...


You may have a DC connector problem:

Symptoms of a broken power jack
1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker.
2. Battery will not charge in the laptop.
3. Laptop runs fine off a charged battery.
4. With the AC Adapter connected the laptop appears to be dead.
No power LED or battery charge LED activity.
5. Laptop randomly powers off without any warning.

If your laptop is out of warranty, then you can fix the problem by re-soldering DC-IN jack on the system board. If it

Jul 06, 2011 | LG Computers & Internet

1 Answer

Briefly: laptop cant turn on Detail: After pushed power button, the note book didn't turn on. Screen kept black. Power button didn't light on(usually should). The laptop is without any sound...


The first solution I'd recommend is removing the battery and then trying to power on just with the AC adapter. Why are you afraid to remove the battery? no data will be lost.

It maybe that you have a dead motherboard or that there had been a power failure while you were putting your machine to hibernate.

Jul 03, 2011 | Computers & Internet

1 Answer

I have a Acer Ferrari 4006wlmi, which I'm trying to figure out what's wrong with it. It does turn on but HD indicator just stays lit (no flickering as to say it's accessing), it was undergoing...


Please remove the laptop battery and disconnect the Ac power. Then press POWER ON button and hold for 1-2 minutes. Then power on with the AC adapter only. Then start the laptop. It will powered on. After that shutdown laptop and reinsert the laptopbattery.
Even it wont work, remove the battery, hard disk and ram. Just insert the RAM and try to check the display. then insert hard disk and check the working nature of laptop on AC power only..

Further any clues please provide the feedback..

Jun 29, 2011 | Acer Ferrari 4006WLMi Laptop Notebook

2 Answers

Gateway lt21 netbook not charging


First of all, you need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether.

Sep 13, 2010 | Gateway Computers & Internet

1 Answer

Service Tag ? HC7B3BS Express service code ? 37743168664 Inspiron - 1545, Model No. _ PP41L, Adaptor - PA-21 or PA-3E I have bought a DELL Laptop 10 month back. My Laptop have a problem with the Adopter...


Is the adapter light still turning on?
Try using just the adapter as a source of power.
Make sure the battery is unplugged then try to turn it on.
If the computer won't turn on using the adapter.
If available, try using another adapter that will work for your laptop. If the same problem persist you need to replace the motherboard of that laptop. But if the other adapter works then you know that your old adapter is the one causing the problem.

After you have done all this things and you end up replacing the motherboard you can inquire with dell if you still have a warranty if you do ask them if it covers part replacement.

Feb 10, 2010 | Dell Inspiron 1545 Notebook

1 Answer

A35 s1592 battery won;t charge


You probably have a problem with your power adapter. Since you mentioned that the battery discharges when connected to the adapter, it means that the charger is acting as a load instead of the other way around. This is a typical behavior of a defective charger.

Try to check the output of your adaptor using any voltmeter. The voltage reading should be approximately close to the voltage rating as printed at the back of your laptop. If not, then its wiser to buy a new ac adapter instead of sending it for repair to electronic shops. Most of these chargers are no longer reliable when repaired, and might cause more problem to the laptop instead.


Nov 09, 2008 | Toshiba Satellite A35-S1592 Notebook

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