Question about Acer (56.04145.901) (5604145901) Power Supply

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Acer laptop does not work freezes with ac adaptor

The laptop works great with the battery but when I use the ac adaptor it stops working properly and freezes.
Thanks.

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Well in this case the solution is to replace the mobo... what has happened is that the core voltage controller that sends uninterrupted power supply to the proc in the computer has burnt off so what can be a least expensive trial is to find the chip from the schematics of the acer laptop model and get it removed and resoldered in with hot air soldering

Posted on Sep 02, 2010

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1 Answer

2 ac adaptors have stopped working on acer laptop


Take the battery out. Unplug the charger from the computer. Press the On button for 30 seconds. Then plug the charger in. If it works, then put the battery back in and you're in business again.

If it still can't work, perhaps the charger you bought is a dead one, just contact the seller to get a replacement one after all you have used it for about a few minutes. If you don't believe in that seller, just contact them for the refund and go to other vendor for a new adapter. I recommend the following one for you:
http://www.chargerbuy.com/replacement-acer-aspire-5739g-ac-adapter-19v-4-74a.html

http://www.chargerbuy.com/replacement-acer-aspire-5738-ac-adapter-19v-3-42a.html

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Inserting AC adaptor while computer is working on battery power, may indicate that an arcing occurred and cpu got wrong data to stop sequential operation. You may have to turn on AC adaptor, after it has been inserted into your laptop while using battery power.

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Either the AC port on the back of your laptop has a lose connection - if operation without battery is an issue, or if battery charge only is issue - then battery may have to be reseated or it is at end of life. Test by removing battery and running AC alone. if connection port is bad, laptop will power off immediately/unexpectedly. Good luck! btw - batteries for this unit are around $40 on ebay

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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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3 Answers

Says plugged in not charging


Take out the battery and make sure you can turn on the laptop with just the AC Adaptor hooked up.

If you can then you know the AC Adaptor is good. Try another known good working battery in the laptop, if the battery charges then you know that the old battery is bad.

If the laptop doesn't charge with a know working battery or a new one then you know that the motherboard is bad.

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1 Answer

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The blinking orange battery light generally indicates that the battery isn't working properly, usually going out and not charging properly. In this case, since the adapter will not power the machine without the battery, and it should, I'm going to say that the adapter is going out and not getting the proper amount of power to the system. Try replacing the adapter. Be sure to replace it with a Dell replacement, the Targus brand universal adapters do not work well with Dell machines, and in most cases won't work at all.

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ya im having the same problem. please help!

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