I bought a $20 unbranded mini PC on eBay from bad seller. Can I fix it? Batocera Retro Gaming

I bought a $20 unbranded mini PC on eBay from bad seller. Can I fix it? Batocera Retro Gaming. In my previous video I bought a badly described unbranded mini pc on eBay from a seller lacking positive feedback. It worked but the CPU was overheating. Can I fix it? PC specs: i5 6260u 8 GB RAM DDR4 1TB SSD Screwdriver set (affiliate links): US: https://amzn.to/4fqktbK UK: https://amzn.to/3Z9DBFs Arctic MX-4 thermal paste (affiliate links): US: https://amzn.to/4fLAVTK UK: https://amzn.to/40O3H1K Xbox 360 Controller (affiliate links): US: https://amzn.to/3O1f0Mp UK: https://amzn.to/3YW6pB8