COMPTIA A+ Practice Exam 2026 – 400 Free Practice Questions to Pass the Exam

A post error code is a code that is displayed on a computer during the Power-On Self-Test (POST) process. This process checks the hardware components of the computer to make sure they are functioning properly. The post error code 1700-1799 specifically indicates a hard drive error, meaning that there is likely an issue with the computer's hard drive. This could be due to a physical problem with the hard drive, such as a damaged sector, or it could be caused by a software issue. The other options, USB device error, network error, and memory error, do not fall within this range of post error codes and therefore would not be indicated by 1700-1799. These options do not provide the same diagnostic information and should not be chosen as the correct answer.