Question about Acer Aspire 7520-5185 Laptop

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The laptop is dead. No lights no nothing. The ac adapter is good. Another one was tried to eliminate the possiblity of a bad ac source. We just laid it aside one day while it was turned on and when we went back to it there was nothing. It was plugged in to ac at the time. It does not work on the battery either. DEAD. Its only a little over 2 years old and not much use, mostly only when we are on the road.

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This model of Acer Aspire laptop has had many similar problems reported. After looking around(see link below) it seems as though the root of all the problems is that one of the chips on the motherboard has a bad solder connection that shows up as a problem after so many hours of use. There are only two real ways the fix this problem.

  1. Replace the motherboard with a new one. This is the easiest way but has the problem of being expensive. The new motherboard may also have the same problem as the original.
  2. Reflow the chip that is the source of the problem. This is the more difficult way as it involves taking the computer apart, identifying the correct chip, and then using just enough heat for just the right amount of time to allow the solder to reconnect properly. It requires a heat-gun which can be seen as a steep investment for only one use. If you know what you are doing, and have the right equipment, than this is an easy(relative) fix.
If you don't know how to reflow a board or don't have a friend that's into the custom electronics field than you will have to find then buy a new motherboard.

Info link: http://forum.notebookreview.com/acer/475291-acer-aspire-7520-trouble-wont-turn.html

Posted on Nov 09, 2010

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Hello

its unfortunate, - i left my Dell plugged into AC outlet (without UPS protection) -- unclean power trckling in (120VAC varies within -10 to +10 volts at 2-6 Amp increase : not good for computer .. especially when you are dealing with 5-7 volt supply on the mainboard --- i had to replace my mainboard , cost me over three hundred fifty dollars, that's 5 years ago

now, i dont turn my computers on without Uninterruptable Power Supply (UPS)

i think you may have to replace the mainboard if there is no life in it

here is a link about he Aspire 7520

http://www.acer.ca/acer/service.do?LanguageISOCtxParam=en&miu10einu24.current.attN2B2F2EEF=3751&sp=page15e&ctx2.c2att1=27&miu10ekcond13.attN2B2F2EEF=3751&CountryISOCtxParam=CA&ctx1.att21k=1&CRC=719687231

Posted on Nov 09, 2010

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power issue on board or bad memory check to see if you have any lights when plugged in and does the laptop make any sounds like it booting up when turned on or is it totally dead if dead check power supply if that's good you have a bad power linked to board if that's the case go to best buy.com in clearance theres great laptops there for 319.99

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For this kind of issue, please follow up the following steps to check:

1.confirm the battery and ac adapter connect the laptop normally.Maybe the bad connect lead to this problem. If there are no lights when you turn on laptop, one of possible reason is that your adapter is malfunction.

2.the second possible cause is laptop dc jack failure. If the dc jack is broken or loose, you are required to replace it or repair it.

3.Another possible reason is that there is something wrong with laptop motherboard. For this situation, it includs two kinds of possibility,a failure in an electronic circuit and BGA malfunction.

For more detailed reasons and solutions, please have a look at the following article:http://www.ifitjams.com/lappower.htm

If you verify your laptop adapter is dead and you plan to order a new one, I recommend one for you on the basis of your laptop model:

http://www.chargerbuy.com/laptop-ac-adapter/asus-ac-adapters.html

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Problem description:
The laptop is completely dead. When you plug the AC adapter and press on the power button, nothing happens. The laptop has no signs of life at all. None of the LED lights is working.
Possible cause:
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call your laptops technical support

Further Queries are welcome
If you think my solution was helpfull please do rate me

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