MacBook Pro 15 late 2008 screen not glued

Good morning,

I brought a Macbook Pro second hand late 2008.

The upper case is not completely in position which let me think that the screen is not glued anymore on the bottom left .

Do you think , using a heater at the bottom left part of the screen and then closing it again will be sufficient?

Also : which is the good temperature to select in doing that ? Still possible to feel with the hand or more ?

Thanks for clues.

TdM

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