Answer:
I think A modern operating system is usually used in personal computers
<span>In which career field, would the Computing Technology Industry Association's CompTIA A+ certification be useful?</span>
Answer:
Wait. Then you try it again
Explanation:
You wait and try again later and if this still persists, you may have to check the optical drive from the drive manager peradventure there is an issue there probably a software issue, also you may have to clean the optical drive using the cleaner disc, likewise you may need to test an old disc on the optical drive to be sure the fault is not from the disc you inserted.
