MSI GS76, it was also covered in some black film with glue, pics below
https://ibb.co/nMmNT7D
https://ibb.co/HzbzYb6
https://ibb.co/nMmNT7D
https://ibb.co/HzbzYb6
gpu would make sense for the circled part as the brace for the heatsink since there is a fan mounted right next to it. but that's just an educated guess
The circled part could be RF shielding for that area. Sound, or WIFI.gpu would make sense for the circled part as the brace for the heatsink since there is a fan mounted right next to it. but that's just an educated guess
I might guess that the plastic film and covers are there to prevent possible shorts with the case base if it was flexed.
Are you disassembling this laptop for some purpose?