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Tinkerer
You can see very well in your device manager that you dont have a 1660ti and you have a realtek lan adapter so this issue to me its solved and its completely correct according to the gpu you have the 1650 you have its just a refresh from the old 1050ti chips that nvidia still needs to get rid of just a bit more tweaked on memory nothing else not much more performance for a 4gb gpu in fact a 1050ti properly overclocked (repasted etc) can keep up with a new 1650 without any issues.
Unfortunately whoever sold you the laptop if they advertised that it had a killer lan they lied in order to sell more it is not the manufacturer fault in any way many shops do this to cheat customers to buy more the only ones to blame here its the seller/shop where you bought it please take it up with them and good luck
You can see very well in your device manager that you dont have a 1660ti and you have a realtek lan adapter so this issue to me its solved and its completely correct according to the gpu you have the 1650 you have its just a refresh from the old 1050ti chips that nvidia still needs to get rid of just a bit more tweaked on memory nothing else not much more performance for a 4gb gpu in fact a 1050ti properly overclocked (repasted etc) can keep up with a new 1650 without any issues.
Unfortunately whoever sold you the laptop if they advertised that it had a killer lan they lied in order to sell more it is not the manufacturer fault in any way many shops do this to cheat customers to buy more the only ones to blame here its the seller/shop where you bought it please take it up with them and good luck