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Power adaptor ac power adaptor burn.can i use any other adaptor for replacement

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If you can find an adapter with the same Connector, Polarity,Voltage. and the required Amperage or higher, it should work.

You might be able to find the exact part on Ebay or an online store.

Here are the part numbers depending on you location.
218864-001 Power module (USA, Canada)
218864-371 Power module (Asia/Pacific)
218864-A71 Power module (PRC)
218864-AB1 Power module (Taiwan)
218864-AC1 Power module (Hong Kong)

Posted on Nov 21, 2008

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Posted on Jan 02, 2017

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AC Power Adaptor LED won't stay on to power PC


First you you should test the AC power adaptor properly, then if it is in good conditions is important to test the electric circuit in the motherboard in order to find any trouble. There is a SMD fuse between de DC power jack and the rest of the circuit.

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Lenovo laptop(8932) will go into a sleep like mode (you can still see the screen, very dim) when plugged into ac adaptor. Doesn't do it with battery power. Changed system board, power adaptor - no...


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



Please accept my answer if this is the information you need.
Don't forget to give a four thumbs up rating!
Thank you for asking Fixya.

Jun 23, 2011 | Computers & Internet

1 Answer

I cannot get my acer aspire 4315 to AC power up. new batteries are ok. i have changed the power jack but no difference. please help


Check the light on the AC adaptor when plugged in to the laptop. If it is flashing, it indicates that the power is being "spat back". That is, not completing the circuit. Means that you have a fault in the charging circuit. I'd check for burning around the contacts where the DC port was soldered onto the board / or if the plug type, check the socket on the mobo is not damaged and is firmly soldered on.

After that, (if not already done) check the output voltage of the adaptor with a multimeter, might be a simple failure of the ac adaptor, even though it looks ok

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This condition can be caused by plugging in an adapter that has polarity reversed (that's what I did with an after-market power supply). Your battery is probably not bad (I changed to a brand-new battery, and it still had the same problem). However, the problem is deeper: I'm tracking down which component on the power board was burned out when this happened. No luck so far.

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AC Adaptor Model No SA3025/37


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Thank you for getting back to me, however I contacted Miscrosoft and explained the situation and they are sending me a replacement.

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Lightning strike ac adaptor is fried


Your phone did expirence a surge that probably blew the ac adaptor which happens most of the time, u can buy one of those universal adaptors and look on the back of the old adaptor for the output voltage it will usually read between 3 and 8 volts DC.Set the universal adAptor voltage to the setting right below the voltage output on the back of the ac adaptor.

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1 Answer

Lap top problem


Hi

If the AC power light is blinking, try the following steps:

1 Cut off power to the computer by disconnecting the AC adaptor and removing the battery. The error condition will be interrupted, and the AC power light will stop flashing.

2 Put the battery back into the computer. Do not connect the AC adaptor. Try turning the computer on again. If the computer starts normally, the AC adaptor may be
defective and will need to be replaced. If the AC power light starts flashing, remove the battery, and continue with the steps below.

3 Connect the AC adaptor to the computer. Leave the battery out of the computer. Try turning the computer on again. If the computer starts normally, the battery may need charging, may be depleted, or may be defective. Turn the computer on, insert the battery, and then leave the computer running for several hours, which will deliver a slow, steady “trickle-charge” to the battery. Once the battery has been trickle-charged, it may begin working correctly again. If the trickle-charging does not prove effective, consider replacing the battery with a new one.

4 Connect the AC adaptor to a different power outlet, preferably in a different room. If the computer starts normally, there may be a problem with the AC outlet itself, or the voltage level available from it.

5 Verify that the AC adaptor is the correct unit for your computer model. The computer may not be able to start from an AC adaptor that is rated for less current (amperage) than the computer requires, even if the rated voltage is correct, and the plug fits correctly in the DC-IN socket. The labels on the bottom of the computer and the AC adaptor show the specifications for voltage ("V") and current ("A") for each device. The voltage level must match exactly. The amperage rating of the AC adaptor must be equal to or greater than that required by the computer

Regards
Mike

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