Computer Mania are rude and try get out of warrenty!

Computer Mania sold me a laptop that cost me almost R13000 last year April. 1 year warrenty on hardware. I took the computer in on Thursday just before Christmas to be fixed because a keyboard cover fell off. I had the purchase slip and everything. The first thing they asked me was if I dropped the computer! Even after I explained it fell off while typing. One of the ypung technicians even told the one filling out the form not to bother in supplying their telephone number on the form. He was very rude after I said no I did not drop it and does it look like it was dropped! They then proceeded to tell me to sign a form where they stated that there were scratches where there were not! "Oh but we always write scratches because it is not new". I reluctantly signed once they wrote light scratches and after I chose to take pictures of the laptop just in case.it returned with scratches. They did not tell me that the computer suppliers were closed but warned it would be 2 weeks because of the holidays. I called last week. No news. Did not again tell me they only opened this Monday. I called today. 3 weeks later! My son starts school and we need it next week. Just got called back to be told the manager of Clearwater took the laptop personally today to thw supplier. So it had been where tgis whole time? They do not have the part and are stating that it is client induced damage! What!! This is unbelievable. I am a single mom. Took me alot of time to get the funds (in credit now) to buy this laptop and you would think I would mishandle it in that way?? .... even asking to my face if I dropped it when I walked into the store! These stores try everything to get out of their warrenty agreements. I am upset and appaulled at the service!