Finally my AC Adapter has giveup on me

,then.. when i plugged in the adapter. there seems no charging and no responds either,
so i have to do some modifications on the adapter.. but that thing is adapter itself have no screw slots or anything..wonder what to do
just like it made not to be repaired,
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Then suddenly after some abuse/punishment with screw driver i manage to open it ( slide the ruler into the side of the adapter )
and you will hear ''click'' ( not easy though ) then i open it finally..
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The problem is the wire itself ( White ) has burn mark, and for this reason the power on the adapter cannot connect
to my laptop
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Then i have to do some cutting and soldering and finally can be use like before
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Looking for something like this, i think some fault like wire got burn or minor faulty
why dont they make it easy like put some screw hole on the adapter, it seems like
when got problem u have to send it back and got to buy replacement and waste
your money, time, etc then although its just some darn wayar putus only