Hello..The person saying that is implying that he is having problems with his computers and hasn't been able to resolve them. Basically saying he has "bad luck". Not sure how well that translates but in the US we say those kind things in regards to a bad situation. Hope this helps!

"I haven't had any luck" means "I tried, but it did not work for me". For example, if this person is at a library, and you ask him if he knows how to print something out, he might say, "I haven't had any luck on the computers here." That would mean, "I tried to print, but it didn't work for me."