Disappointing aftercare

I bought my vinyl cutter about 2 years back and received excellent service from the support line when there were problems. I changed to a new computer and I struggled to upload the driver and my machine does not calibrate correctly.

I've been struggling now 5 days for the support team to assist me. They will log onto team viewer , do a few things and leave without telling me. Sat for 2 hours in front of the computer but no one came back. Today when they finally assisted me again, instead of looking for the problem he keeps telling me I am the problem, I am doing something wrong and asking me did I not have training on the machine. I have been cutting stickers for the last two years, so I know the process by now.

So for my business I have lost 5 working days as I can not cut on my vinyl cutter.

Very disappointed in the aftercare and bad attitude I have received.