How To Troubleshoot A Mac With A Flashing Question Mark? #Mac #Flashing http://en-us-office.com/blog/how-to-troubleshoot-a-mac-with-a-flashing-question-mark/ If a question mark is getting displayed on your Mac, then it simply means that it is facing a problem for searching a bootable OS. Generally, the Mac does the booting process so quickly that you shall not be able to observe the displayed question mark. Exceptions do exist. Sometimes it keeps showing the question mark symbol for some time, or it may get frozen there itself for a longer time.