So, do not apply any force and make sure the solder is melted when you are removing the power jack. A new DC power jack. You can remove the flux using the tooth brush and alcohol. Now you are ready to solder the jack back in place. I use high-tech rosin core silver-bearing solder from Radioshack with diameter.022 ( Catalog 64-013 ). Disclaimer: Ive made these instructions only for people experienced with soldering and repairing computers. Desoldering pump for removing solder around component leads.
Apply a fresh coat of solder to all power jack terminals on both sides of the motherboard. If you dont feel comfortable doing this job, please do not open the laptop or you can permanently damage your computer.
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This side has been coated. You dont want to do that. By cj2600 posted in: DC jack 530, this guide will explain how to repair a failed or loose DC power jack on a laptop computer yourself. Its not necessary but it will make your job looking clean. Now just install the motherboard back into the laptop and you are done. This will make old solder more flowable, easier to remove. I use Edsyn Soldapullt pump, model DS 017. Soldering iron or soldering station. Put something under power jack so there is no gap between the jack and the motherboard. The DC power jack is almost removed from the motherboard.
I use Weller WES51 soldering station and for this job I set temperature to about 800-850F. Thats where the problem. The positive pin is not making a good contact with the motherboard and because of that power to the laptop cuts off when I move the power plug inside the power jack.