Incredible connection

Bought a Gaming Desktop on the 29/09/20. in the month of Sept 2021, I have experienced some problems with it and took it in the 1st week of October. The technician who tested the Pc with me agreed that there was a problem and it was sent in for repairs. It went in 3 times and still has the same problem. The computer is still in Incredible Connection in Brits Mall and still not fixed. I paid nearly R40 000 for it with my pension money and now sitting with this issue. Can you maybe assist.