If your Laptop stopped Charging�� please check your DC power jack first.
Mostly the problem is the DC power jack broken or burned. 
Now you just need replace the broken/burned DC power jack to save your entire motherboard!
 
Fully Compatible Brand/Model :
ML6720 Series -
    * Gateway ML6720
    * Gateway ML6721 ML6731, ML6732
    * Gateway ML6725

MT6000 Series -
    * Gateway MT6015j
    * Gateway MT6016j
    * Gateway MT6017

MT6700 Series -
    * Gateway MT6722b
    * Gateway MT6723
    * Gateway MT6724b
    * Gateway MT6728
    * Gateway MT6729
    * Gateway MT6730 MT6733  MT6735b

MT6900 Series -
    * Gateway MT6915b, MT6019c, MT6021c 
    * Gateway MT6916
    * Gateway MT6917b
    * Gateway MT6919
    * Gateway MT6920

MX6000 Series -
    * Gateway MX6002m
    * Gateway MX6003m
    * Gateway MX6004m
    * Gateway MX6005m

Gateway MX6901m
 
P/N: 8016706R, DA0MA8TB6D0, 3UMA8JB0000 
 
Components included:

    * Power button,
    * Modem Port,
    * DC jack,
    * Cables

Package Included : 
- 1 pc of DC Jack Power Modem Board