Question about Acer Aspire 5520-5156 Laptop

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Hi My laptop 4810T Can't use it's battery and it works only in plug in mode(when it is connected to power supply by adaptor ) The System shows no problem and can detect the battery and the precise amount of charge in battery. Please help me and give your suggestion Thank you very much

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First, 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.

Posted on Sep 08, 2010

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For that Laptop problem. try this solution first remove battery backup of your laptop and then connect power supply adaptor then power on, if not yet screen display. try also cleaning laptop memory module slot at back of laptop.
Check-up also power supply adaptor for 100% working good. also laptop hole connector for power supply.

Just let me know if not yet working your PC laptop.

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Replace your battery to solve this trouble.

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Good Day Psmith!

It looks like the AC adaptor is not making the right supply voltage needed for your laptop.

If you have a multi tester, you can test your ac adaptor to see if it has stable 20V voltage output supply needed for the laptop to make it work.

Set your tester to DC range. Plug the ac adaptor to your wall socket. Hold the other end of the ac adaptor (the one you connect to your laptop. Insert the red (positive) lead into the center of the adapter pin, then touch the black (negative) lead to the outside metal part of the pin.

Read the display in your tester. If the adapter is working properly, the meter should read between 19 to 20 volts of the rating. If the adapter is faulty, the meter will read below 18volts.

If that would be the case, I'm afraid you will need to replace your ac adaptor.

You can purchase online a replacement ac adaptor for lenovo 8932.

1. From this site, it costs $34.99 + $8 https://www.ebuybatteries.com/product/models/2_IBM-Lenovo-AC090W008T15_IBM+Lenovo+ThinkPad+R61+8932.htm

2. From this site, it costs $39.95 http://www.eznsmart.com/p-31667-lenovo-thinkpad-r61i-8932-laptop-ac-adapter-replacement-20v-45a-90watt-charger.aspx



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Thank you for asking Fixya.

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Hi, Please check in the BIOS if the battery is working fine or not. How to go into the BIOS mode? Restart your system and keep pressing the F2 function key till the time you see the BIOS mode. Under the system information you will also see battery information and battery health, check the status their of the battery and also for the adaptor. If under the battery information it says that the ' Battery is at the end of it's life', then you need to purchase a new battery or, If it says 'plugged in not charging', restart your system and then remove the battery once and remove the power-adaptor also. When there is no power in the laptop, press the power button for about 15-20 seconds. Then plug the adaptor and the battery and power-up your laptop.
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It could be an AC adaptor issue.

It should boot when connected directly to the power outlet through the laptop adaptor. If it is not boot, then the adaptor might not be supplying the needed power to boot it up.

If it is possible, try to isolate the issue. Charge your new battery using another laptop. Then plug it in your laptop to see if it works. If it will work, then it is the AC adaptor of your laptop that is defective. If the charged battery still won't make the laptop boot, then there is something wrong with your laptop hardware. If could be a motherboard issue of your laptop.

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Hi !
While power off, disconnect the power adaptor.
Take off battery.

Plug the power adaptor back and try to start !
Is it running?

If yes, than the power adaptor is OK.

Now shut down and disconnect the power adaptor.
Put back your battery and start!
Leave it untill you 'empty' the battery.
Do not start your laptop.

Plug the power adaptor and do not start your laptop yet.
Is there a led idicator showing that the battery is charging ?
Does it shows when the battery is full charged (e.g. red/yellow=charging, to green/off charged)?
If not, leave it for at least 3 hours. After that, start your laptop (adaptor is plugged) and see if you still have an icon saying charging 99%.

If that is the case, then something is wrong with the battery.

Check your warranty, and replace it.
DO NOT OPEN the battery - nothing interesting you will find inside - nothing you can do !

Regards.

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hi,
welcome to fixya,
as u said that ur laptop is not working and it is not booting,i mean is it a dark screen or do u see the lights on the computer,can u clarify me pls...u can try and safe mode and if it doesnt load in safe mode then what u can do is that disconnect the ac adaptor and take out the battery and then without ac adaptor and the battery press and hold down the power button for one minute and then release the power button and then connect the power cord and put the battery back in and then turn on the computer,and if still it doesnt turn on then try and connect with the different wall outlet and if still doesnt turn on then try with the different ac adaptor and still if it doesnt work then replace the motherboard and the ac adaptor.

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Sir,
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