Acer Laptop Repair in Karachi

My acer notebook is not detecting DVDrom I need to get it checked but I would like to go to someone who does not take advantage of my lack of knowledge about computer hardware and stuff. Can any one of you recommend some reliable laptop repair service in Karachi?

Thank you

any chance you installed windows 7? if thats the case then theres a way!

deltree: well yes I installed windows 7 but I can not boot into it that is why I need to get CDrom fixed so that I could fix this.

Go to the shop near nipa pull,they are reliable as far as i know,i cant remember the name of the shop but its near to czone shop ok.may be pc mart.