Telkom Refuses to replace a Matebook that does not switch on after 10 days since collected

I am seating with a new laptop that does not work. I collected this Huawei Matebook on the 10 of August and it does not switch on since the 19 of August 2021. I took it to Telkom in Mall of Africa on Friday 20 August and they have refused to replace it.

I have a 36-month contract on this laptop and now Telkom refuses to assist me.