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yes boss pl remove ur battery n start only ac supply if ur laptop on or not if run ur battery defective or not run at ac ur laptop ac supply ac to dc converter circuit problem pl send my address solved n send u
If the DC Power Jack is soldered onto the motherboard then take the time to unsolder it and remove it. Then buy another DC Power Jack which costs less than $8.00 and solder it into it's place. Normally when it is soldered onto the motherboard there is no cable involved. That's all there is to it if it's soldered onto the motherboard.
If it sits on a slot in the motherboard and has a cable harness attached to it then you can purchase that too for less than $15.00. All you do then is follow where the other end of the cable harness plugs into the motherboard and unplug it. Then place the new dc jack in the slot where the old one sat and plug the other end of the cable harness into the motherboard.
First, do you hear any beep sounds from the laptop after you switch it on?
check if any external device are attached to the laptop. If any,
disconnect all of them then try to power it up again. If it did not
work, notice the sounds of the fan & hard drive. Do you hear any? If not, then the next step in diagnosis will be: When you plug the power adapter into the power receptacle in your laptop, do you notice any spark on the DC jack? If
the answer is yes, then disconnect internal drives & connectors one
at a time & try to boot up the system each time until subsystem
with short is identified. If power input still a short with bare
motherboard, replace motherboard. If the answer is no, then your
laptop will need to be disassembled & its boards inspected for burnt
or melted components, cold solder on DC jack, open connections, or
1. AC adapter is not working well.
2. laptop DC power jack loose or broken
most likely 2, quite common for laptop, Acer
try if you can power on your laptop only with the AC adapter without the battery;
also keep monitor the indicators on your front panel, see if the AC input is on.
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.
Part costs about $ 5-10 bucks.....labor to fix it ranges from $ 100 - $250. Problem is caused by jerking or tugging on the power cable too much. All laptops need a Cable Retention Device like the one in this video. . .