How To Fix A Laptop DC Jack

Last time We touched on  Troubleshoot a Laptop DC Jack.  We deduced  that the broken  contacts were the cause of the laptop DC jack going faulty.   This time we are going to  tackle how to fix a laptop DC jack.

Things needed  for exercise

• Electrostatic discharge wrist strap
• Rosin - core solder
• Soldering iron
• Desoldering pipe
• Replacing DC Power Jack

Slide your electrostatic discharge wrist

Slide your electrostatic discharge wrist  strap onto your wrist. Lift the motherboard up and out of your laptop and set it aside. Now apply soldering iron to the three contacts of the power jack to heat up the existing solder on the contacts. Having applied the soldering to the contacts  of the DC jack, use the desoldering pump to remove the solder from the power jack. You then shake the DC jack until it separates from the motherboard.  Having separated the DC jack from the motherboard, apply the soldering iron to the jack pins and the DC jack.

Lay Replacement Jack
Lay the replacement jack in the original  position of the old jack. After the replacement go ahead and apply solder to the jack pins and DC jack and then put the motherboard back here you removed it. And then finally reassemble your laptop.

That's a wrap for"How To Fix A Laptop DC Jack" Hopefully you've grasped ho to fit a DC charger. Till next time take care. If you have a question or comment, drop them in the comment section.

If you are here and you want to learn how to fix laptops as a career or past time, Download Laptop Repair Made Easy

How To Troubleshoot A Laptop DC Jack

Is your laptop battery failing to charge?Or is your laptop losing power? Chances are there could be a problem with your laptop DC jack. But not to worry! I'm going to show you how to how to troubleshoot a laptop  DC Jack

Equipment you'll need for troubleshoot

• a Phillips-head screw driver

Now onward to the troubleshoot

Shake Adapter Cable

Gently shake the adapter cable while it's connected to the jack and a wall socket. If the adapter goes off  intermittently,  your adapter could be experiencing a short circuit or the jack could be bad.

Turn Power Off

In that case turn the laptop power off. and unplug the power cord from the jack. Leave the adapter plugged in the outlet.

Measure DC Voltage

Set the multi-meter to measure theDC voltage on the adapter. The DC voltage is marked by a line above three dotted lines . You then plug the probes into the voltage and COM sockets according to their color codes.

Turn Off The Laptop and Remove The Battery

To further investigate the DC jack problem, first turn off the laptop and remove the battery. Then start disassembling the laptop by removing the screws.Then remove all internal components, until you arrive at the motherboard.  When you reach the motherboard, remove all screws holding the motherboard and then remove the motherboard. 

Now take a close look at  power jack at the edge of the motherboard. Look for signs such as  loose soldering between the jack and the motherboard, nearby burn marks that indicate electrical arcs, or any signs of looseness. If these signs are evident, it means the power jack has lost contact with the motherboard.

Now that this diagnosis has been established, you then go on to to fix the  Dc jack. But we'll touch on this next time. 

That's a wrap for"How To Troubleshoot A Laptop DC Jack". Next time we'll touch on how to fix the Dc jack like I promised. If you have a question or comment, drop them in the reply dialog box.



If you are here and you want to learn how to fix laptops as a career or past time, Download Laptop Repair Made Easy