According to Dell's Specifications, your laptop does not have a Thunderbolt port. Only those with the i7 CPU have Thunderbolt port. Quote from Specifications: The following table lists the external ports on your Inspiron 15 5510.
[IMAGE]dell thunderbolt software show i have thunderbolt port but dell user manual say i5 varriant doesnt have thunderbolt port , please give me suggestion , i am confuse
thunderbolt 4 have dell inspiron 15 5510 i5 11320h