Question about Acer Aspire 5500 5570-4421 Laptop

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No power laptop completely stopped working. No indication of any power. power supply is fine not sure about battery, couldn't test battery. any ideas???

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Check first the charger, if its working check the dc jact connector need to open you unit.. then check if the battery is not working when you remove it should be work even withtout the battery..

Posted on Sep 11, 2009

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Check the voltage output from the charger and see if it is within the range that is stamped on the charger body (eg: 20 volts) If it is below or above this, then the charger is faulty. If the green light is flashing on the charger, it means that power is "not being accepted" by the laptop and this indicates a faulty charging port / circuit.

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Battery stopped working


Hey,

Test your charger, the battery light blinking and the computer not starting up indicates not enough power to start up or not pluged into ac power, check the power adapter or charger. I suspect the battery is fine.

Thanks,
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My compaq evo stopped working. For about two weeks I had a buzzing where I place the power cord. At that time periodically the whole thing would shut down. Also now it will not start at all and the...


Allen -

It sounds as though you may have either blown the power supply, or burned the power circuit on the motherboard. That buzzing sound usually indicates an electric arc, where electricity passes through open air from one contact to another; In this case, it was probably caused by a loose or broken solder connection on the laptop's power jack.

If you can get your hands on an identical or equivalent power supply, test it with your laptop. If it works, then the power supply just needs to be replaced.

If not, try taking the battery out of your laptop, and plugging it in again. Sometimes, when a power supply burns up, the battery will discharge, rendering it inoperable.

Hope this helps!
-thinstatic

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