220-1101 / 1102 Domain 5: Hardware and Network Troubleshooting

POST beep codes indicate RAM not detected. What should you try first?

Multiple choice — select one answer

Answer choices

  1. a. PSU failure or front panel power connection
  2. b. DHCP unreachable or failed lease
  3. c. Reseat modules and verify compatibility/slots
  4. d. Power off, reseat RAM, and test one module at a time

Architectural breakdown & explanation

RAM detection failures are often seating, slot, or module faults.

Correct answer(s): d. Power off, reseat RAM, and test one module at a time

Exam domain: Domain 5: Hardware and Network Troubleshooting (29% weight on the official guide).

Official documentation & study links

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