Defective Laptop from day 1

We purchased a laptop on the 5th of May 2025 from Foshini in Hillcrest as the Pavilion branch did not have stock i drove for 25 kms to collect the laptop and drive back home as this was something urgent i required for work. It took 3 hours for the laptop to start up and failed initialization . the next day called in to packard bell support they said no problem it will work. After 1 day of suffering i managed on my own with no help from them i got it to work. I use 1 application on the laptop that requires internet. But since the last 2 weeks the wifi icon disappears and does not connect to the internet. No completely it says the internet network drivers are gone. How can you tell me a laptop that is under 3 months old can have so much issues. So basically i was sold a defective laptop since day 1 and now i had to book it in with Foshini and the repair that i was told will take up too 21 days. This is unacceptable as i use this laptop for work. Now i have no laptop hence no work hence no income for my family. And when i took it back to foshini the sales consultant told me i never sold you this laptop of it was me selling you a laptop i would not sell you this brand i would of sold you an HP that does not help me at all.this laptop is not even on the market i was sold something that is discontinued. I need a solution i can't accept a faulty device back.