Dell Latitude 3500 دليل الخدمة

الاختبار الذاتي المضمّن (M-BIST)

تعد M-BIST أداة تشخيصات اختبار ذاتي مدمج تعمل على تحسين دقة تشخيص أعطال وحدة التحكم المضمنة (EC) في لوحة النظام. يمكن بدء M-BIST يدويًا قبل POST (الاختبار الذاتي عند بدء التشغيل).

ملاحظة: يمكن بدء M-BIST يدويًا قبل POST (الاختبار الذاتي عند بدء التشغيل).

How to run M-BIST?

M-BIST must be initiated on the system from a power-off state that is either connected to AC power or with battery only.

  1. Press and hold both the M key on the keyboard and the power button to initiate M-BIST.
  2. With both the M key and thepower button that is held down, the battery indicator LED may exhibit two states.
    1. OFF: No fault detected with the system board.
    2. SOLID AMBER: Indicates a problem with the system board.

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