Same Day Computer Repairs. Local Carry-in Service. Virus Removal and hardware repairs. We service laptop and desktop PC computers. We can speed up your laptop or desktop computer and make it perform as fast as new. Many computer repairs are finished the same day. We also do hardware upgrades. We are a full service computer store and we stock many laptop and desktop parts to get the job done quickly and properly. We also provide a hard drive data recovery service. Whether you have a virus, malware or spyware we can repair your computer, in many cases the same day. So whether you need virus removal or a hard drive installed in you desktop or laptop you can trust Comp Mart to get the job done right. We are local and here to help you with all your computer problems. We service all major brands of computers including Dell and HP. We operate a full service computer store located in Mount Sinai, NY. We are located in Mt. Sinai on the border of Port Jefferson Station and Mount Sinai, at 158 Nesconset Highway Route 347. We're open every day except Sunday. We offer same day computer repair service for many Computer problems including Virus Removal And Repairs, Microsoft Windows issues for XP, Vista as well as Windows 7 and of course Windows 8. Comp Mart is your Local one stop Same day computer repair service.