Examine the image above.
Mac prohibitory sign at startup
What could cause a Mac to display this prohibitory sign at startup?
A. The Mac is not compatible with the version of OS X Lion on the hard drive.
B. The memory is missing or not detected.
C. Apple Hardware test is loading.
D. Failed logic board.
[toggle title_open=”Close Me” title_closed=”Answer” hide=”yes” border=”yes” style=”default” excerpt_length=”0″ read_more_text=”Read More” read_less_text=”Read Less” include_excerpt_html=”no”]A[/toggle]