Okay, which means that your hardware may 't be safe, how about your files. If it does do it then the copy you now have on your hard drive will probably be fully repaired and you can then burn a whole new copy. Because whenever you hire an isolated pc repair service, they will at least permit you to watch the whole repair procedure on your personal machine screen.
The more files and programs you retain stored for the hard disk of your personal machine the slower it's going to run. Quite honestly it is not a cut and dry answer, but this information will explore the differences. Should you delay and turn back after 2 weeks, they've every to inquire about you for one more repair fee.