Computers 4 Rent

Been getting my computers repaired here for years, also recommended them to all, but new ownership, really disappointed in their services, 3 times there for the same problem, its worse now then it was, if I had never been there before, I would just say lazy, shame, I will just have to find someone closer to home. So I have no picture from anywhere, opened the computer up, no screws in the video cards and very dusty inside, shouldn’t they at least blow it out. lazy
Edit– so now I am trouble shooting, 3 times, 1^st time cleaned viruses, 2^nd time replaced video cards with really cheap ones, 3^rd time, there’s no problem, well I just had to remove one of those cheap video cards and now I have 1 monitor working, this computer was bought from them, a few years ago, it is supposed to have 4 monitor output, so 3 trips and I have to get it working myself and the original problem is still a problem