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A technician has upgraded the BIOS of a system that is running with multiple hard drives. Afterward, the system will not boot and displays an error message Operating system not found". Which of the following is the FIRST thing the technician should inspect?"

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A technician has upgraded the BIOS of a system that is running with multiple hard drives. Afterward, the system will not boot and displays an error message Operating system not found". Which of the following is the FIRST thing the technician should inspect?"






 
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