1.first remove battery and adopter.remove back side covers,wireless lan antenna
2. remove all the screws in bottom side.
3.just above the keboard ,the front panel neds to removed with little preasure from fingers and remove the flat cable jently. remove lcd panel cable,pull out wlan cable in upword direction.
4.un-screw screws over keyboard and lift the keyboard,look at the bottom remove the flat cable(the brown colored lock should be pushed up jently.
5.remove the touch-pad flat cable similarly & remove
any other cables
6.jently pull the top panel towards you with fingers( observr any cables/wires conected to mother board)
7.once front panel is removed remove other cables /wires connected to usb/phone socket/wlan.
8.un-screw the screws with arrow indicater to remove mother board from back panel.
9. remove the screws form heat sink attached fan jently.
replace the fan or heat sink with fan of the same part number.( a. put few drops of any oil betwen gap pan blade and plastic it might clear dust b. in case fan is smooth then 5 volts wont be comming from mother board(red wire) then u requir proffesional help ).
10. follow the reverse procedure to assemble the laptop.
*****before you start any work ground ur body start with bare foot as all devices are esd sensitive. try with your own risk iam not responsible for consiquential
damage to device/person .these are just hints to help*****
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