How to Save a Document to PDF

PDF, or Portable Document Format, is extremely popular, because if you save a document as a pdf, it can be read by any operating system. The most popular and well-known pdf reader is Adobe Reader, but there are others as well, and you can find them by searching on “pdf reader.” PDF documents are identified…

Dust

Dust, in and of itself, is neither good nor bad. If you see dust sitting on top of your computer, that’s not a problem. The problem is when it gets inside, or when it obstructs the airflow generated by the fans.   In the Tip on Airflow, I recommended not putting the computer directly on…