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Re: How do I replace the DC Jack on an Acer 3002lci?
Basically it is just a matter of desoldering the old one, using a desoldering iron with a pump to remove the excess solder the resoldering the new one. Since you're willing to sacrifice, it can't hurt just be careful how much heat you apply because with multi layer boards you can easily screw something up by applying to much heat or solder. Good luck and please take a moment to rate as fixya.
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DC Power Jacks for the most part are soldered onto the motherboard. There are some models where the DC Power Jack and the cable harness just sits in a slot on the motherboard. And there are some models where the DC Power Jack is soldered on a little circuit board that is secured by screws to hold it into place. In any case to get to the Internal DC Power Jack you have to disassemble the laptop. And if it's soldered onto the motherboard, you will spend time unsoldering the old broken Jack before you can install the new one. Get a quote from a local repair shop, then check the guys out at: http://www.generalsystemsconsulting.com They will repair it and ship it back to you via Fedex or UPS cheaper than most quotes you get including the shipping charge.
There is a cmos/ rtc battery but that would have nothing to do with powering on your laptop. Most likely there is an issue in the circuit at the DC power jack. If the connection seems loose, or moving the plug at the point where it connects to the computer gives a glimmer of power then it is the jack. The DC jack is usually soldered to the motherboard and requires some knowledge to repair. If the jack is okay then there is a problem further up in the power circuit on the motherboard which means trouble.
This is what you power jack looks like and yours is not soldered, but has a 4 pin connector that plugs in to the motherboard. Much easier to replace than a soldered connection. Click HERE to see it.
P.S. Just because there is a green light on the adapter it doesn't mean power is being distributed to the connector tip. You may want to try a different adapter before spending money to have it diagnosed.
Apparently the DC connector broke. If the warranty is still in operation, have it repaired; else, the damage can be easily fixed by any electronics shop, or even by yourself if you're familiar with a soldering iron for electronics. This guide is for a different model, but the DC section is practically the same in all laptops:
There is a site on the internet that gives a step by step on how to remove the covers and locate the broken part. Type in repair Acer. Also there are labs the will repair this most common problem...Is the jack broken or is the adapeter broken...
Yes it's not usually something that can be repaired at home. Your chances are better if the jack just seems loose and not actually broken, however replacing it is better. I work for a Laptop Repair Shop in NYC and we deal with this issue frequently.
you need to buy a new jack for replacement. then solder the broken one out of the mainboard and clean the place and solder the new one. or some acer have a separet jack then that one is easy only to change.
The two most common causes for this are 1- the DC power jack is loose or damaged. You will have to remove the motherboard to gain access so that you can replace or resolder it. 2- The connector or wire on the cord that comes from the AC adapter is defective or has an intermittent open. In some cases, you can replace the cord, or you may have to replace the entire AC adapter, or (if your are a bit adventuresome, and have a little experience in electrical/electronic repair) you may be able to find the fault and fix it.
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