I have a Gateway laptop I have had intermittent problems with the power connection. Under warranty, we had the MD and HDD replaced to fix it. It seemed better, but still every now and then intermittent.
Now, we can not wiggle or anything to get it to work. I have 2 power converter cables, tried both. Also tried with battery in and out.
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Re: Gateway M3A laptop DC power connector problem
You have 2 choices.. One : You can Desolder the DC Power Jack from the mainboard, clean the pins and connections on the board, then Resolder the DC Power jack back on. Or TWO: purchase a new DC Power Jack and Remove old one / replace with new one.. This will fix your Laptop Power problem..
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When you connect the power, does the charge light lit up? this would tell you the power is transmitted to the battery, wich would mean your DC-jack (where the power goes in) is fine, and the problem might be fixed by:
removing the battery,
remove the power,
hold powerbutton for 20 secs,
re-insert power jack(not battery)
press power on button.
If that didnt work, try the following to determine the DC-jack is the problem:
insert power into dc-jack
gently press the power plug into various directions while constantly pressing and releasing the power button.
at some point the laptop should respond by turning on, meaning that you have a faulty dc-jack, which needs re-soldering or even relacement by soldering to repair.
Maybe you also notice that the power connector is very loose in the dc-jack, this might tell you that the dc-jack is the problem..
Remove battery and try again, if no! the DC jack in the laptop is a common problem from no power to intermittent power. The Laptop will need to be dismantled down to the motherboard level to address the DC jack, chances are it has bad connections on the flip side of the board where the plug is.
I guess you've got a broken laptop power dc jack or power cable.
Symptoms of a broken Laptop DC power jack:
- The laptop only operates when you hold the DC power plug in a certain direction (DC jack is broken or loose). - The laptop only runs on battery power (no power is getting through the DC jack). - The laptop gets no power at all. - The laptop will not charge the battery. - The laptop switches from AC power to battery power intermittently due to a loose or broken power jack. - The laptop suddenly shuts off. - The DC jack may feel loose. - Sparks come out of the back of the laptop when you insert the power plug into the DC jack.
You are right, most of the situations like this end up that the charging connector fixed / soldered to the motherboard get damaged because of shaking the connector when ever we connect and disconnect it .
The solution I've found is simple. No need to disassemble computer. The DC jack will over time crack the solder on the center pin through the pc-board and lose continuity. First remove the keyboard cover by removing 2 screws (on rear under hinges) and gently prying upward beginning at hinges. Directly under where the power button was and beside the actual power switch find the solder connections for the DC jack. (The jack is on other side of board. You are seeing the bottom of board). Examine all jack connections for cracked solder around the pins. a magnifying glass helps. Usually it is just the center pin which is toward the rear of the jack, obvious cracking causes intermittent connection or no connection. If you have no experience soldering I recommend you leave this task to someone who does. Carefully apply rosen core solder to pin(s) using proper fine tip iron. heat thoroughly til pin moves in hole then apply fresh solder. Be quick. Not too much solder, not too much heat. Be careful not to allow iron's barrel to touch plastic case or tip to build solder bridge to any other connection. Problem solved. email@example.com
Try to connect AC/DC power supply to your PC. If it works there is something wrong with your DC Battery. If you have done this, try to use tester to test if the power battery can still transmit power from source. If power is down, may be another kind of battery that is compatible to your PC. Insert only battery required for your laptop that would destroy your PC totally.