The inverter itself is held to the back of the lid (behind the mounted screen position) by a sticky surface, probably two sided tape, given Sony's love for taping things in this model. The whole inverter unit can't weigh much more than an ounce and is easy to replace.
Check out the tutorials and you may get to know it:
[https://www.fonerbooks.com/laptop_8.htm|https://www.fonerbooks.com/laptop_8.htm]
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