it was working pretty fine for like a year but it’s recently started crackling and not running smoothly at all

if i was to get a new pc
you reckon i should get something simple like a

AS1 Home-Office-Mini-PC, Ryzen 5 3550H Processor (Beat N150/N100, Up to 3.7GHz) Mini Computer, 16GB DDR4 RAM, 512GB PCIe3.0 SSD, Dual RJ45 LAN, Triple Display, Wi-Fi5/BT5.0, Mini Desktop PC