IMMATURE SERVICE FROM HOMEMARK OR GAME STORE

I am devastated how GAME STORES handles returns,i bought a Milex nanotec fan on the 30/05/2025 the fan is not working anymore i returned to exchange or get a refund i was told by JP FROM HOMEMARK IT NEEDS TO BE TAKEN FOR ASSESSMENT, TELL ME HOW IF A PRODUCT IS NOT WORKING ITS MY RESPOSIBILITY TO WAIT FOR 21 DAYS OR 6 MONTHS FOR A REFUND I AM ANGRY OF HOW SALES REP FROM HOMEMARK WHEN THEY PRESENT THE PRODUCTS THEY DONT TELL US THE SAD PART OF EVERYTHING ,I WAS TOLD THAT HE CANT AFFORD TO LOSS OUT ON COMMISSION BECAUSE OF MY REFUND TELL ME HOW IS THAT MY PROBLEM ,I WANT MY REFUND NOT PROBLEMS BROUGHT TO ME ,WHEN I BOUGHT THIS I WAS NOT TOLD THAT WHEN I RETURN IT ,IT WILL BE A PROBLEM ...I WANT MY REFUND NOT PROBLEMS THE FAN IS NOT WORKING ....I HAVE PROOF OF PURCHASE EVERYTHING IS THERE .....