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What does post error code 100-199 indicate?

  1. Memory error

  2. Motherboard error

  3. CPU error

  4. Hard drive error

The correct answer is: Motherboard error

Post error code 100-199 indicates a motherboard error. Option A is incorrect because memory errors have a different range of post error codes. Option C is incorrect because CPU errors have a different range as well. Option D is incorrect because hard drive errors have a different range and would not be indicated by post error codes in the 100-199 range. The motherboard error range in post error codes is specific and does not overlap with other hardware errors.