As far as the screen goes, I advise following the manual in my other message to disassemble and reassemble. I love to push things back in, but breaking the LCD will be upsetting.
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https://download.lenovo.com/pccbbs/mobiles_pdf/t480s-hmm_en.pdf
Starting at Page 57, there is a part number for screw kits and then replacement procedures for each item with screw size and description
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