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Release the D key when the prompt appears on the screen asking you to choose your language using t… Read more How To Diagnose Mac Hardware Problems

An unresponsive motherboard would indicate an issue with either it or the PSU. Press and hold the … Read more How To Diagnose Faulty Motherboard

Tap or click the Event sources drop-down select MemoryDiagnostics-Results and then tap or click OK… Read more How To Diagnose Memory Issues