Defective Device from Makro/Platinum Warranty and HP

On April 27 we bought an HP device from Makro Woodmead. It worked for 2 months after which time it would consistently reboot and repair itself. It would restart again but in August it rebooted and repaired for 24hrs at a time without restarting. We returned the device to Makro who referred us to Platinum Warranty saying that if we contact them directly we would get faster service. So we did. On 3rd Sept a courier company was sent to collect the device. After 2 weeks we were told that the hard drive had collapsed and that the part was not available in SA and would have to be sought overseas. They did not know how long it would take. I informed them verbally and in writing that I do not wish to take delivery of a defective device which will most likely be a constant source of problems. I was of the impression that I had bought a new device but after interaction with the people of Platinum it was clear to me that the device may have been refurbished or defective from the factory. As a consumer I have every right to demand my money back if I am not satisfied with the item purchased. The item was not a gift from Makro, it was paid for in expectation of it being in good working condition. Two weeks ago I received an sms stating that a device was packaged and on route to me. No device ever arrived. I had to call Platinum on 15th Oct to enquire as to what the progress of my request was and was then informed that the device was supposed to have been delivered to me already and that they would investigate. THE DEVICE HAD DISAPPEAR AND NO ONE KNEW WHERE IT WAS!!! The day after I was contacted by Gareth who told me that a 'REPLACEMENT' device was on its way to me. I was happy with a 'replacement' device as my assumption was that my request for refund or new device had been heeded. Today 17/10/2018, the old defective device was delivered filthy and scratched. 1. Where was it for the past 2 weeks? not that that matters to me 2. Most importantly, I explicitly requested for a refund or new device Clearly Platinum deliberately ignore my many requests. I am within my rights to demand a refund. I talked to someone who said they were a manager (today 17/10/2018) who told me that the manufacturer/supplier did not see the need to refund as the problem was a minor one. A PART WHICH HAD TO BE BROUGHT FROM ACROSS THE SEAS which greatly inconvenienced me as a consumer, turns out to be a minor problem. That is I suppose HPs take on their device. I reiterate, I want my refund or a new device. Makro SA needs to revisit their preferred warranty supplier because they do not seem to have any respect for their brands i.e. HP brand and Makro (Massmart) brand. Please refund me. It took 6 weeks for me to get a device back from Platinum!!!!!! Their manager was very rude to me, talking over me and telling me that they are not involved that they only deal with the warranty - something they could have highlighted over the 6 week period when they said they were escalating the refund matter. Today, after delivering the defective item, they are no longer involved. DISGUSTED!!!!