A+ Core 2 Exam Question: Troubleshooting PC Boot Failure

PC Boot Failure

Question

Ann, a user, calls a technician and reports that her PC will not boot.

The technician confirms the memory, power supply, and monitor are all working.

The technician runs internal diagnostics on the PC, but the hard drive is not recognized.

Which of the following messages will be displayed?

Answers

Explanations

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A. B. C. D.

B.

If the technician confirms that the memory, power supply, and monitor are all working, but the hard drive is not recognized, then the most likely error message that will be displayed is "No boot device available."

This message indicates that the system cannot find a device to boot from. In this case, the hard drive is not being recognized by the system, which means that it is either not connected properly or it has failed.

The other answer choices are less likely. "NTLDR not found" is an error message that is displayed when the system is unable to find the NTLDR file, which is a critical system file used to boot Windows operating systems. This error typically occurs when the system is attempting to boot from a non-bootable floppy disk or CD/DVD, or when the hard drive is damaged.

"Operating system not found" is another error message that may be displayed when the system is unable to find a valid operating system to boot from. This error can be caused by a damaged or corrupt hard drive, a damaged boot sector, or a problem with the operating system itself.

"BIOS ROM checksum error" is an error message that is displayed when there is a problem with the BIOS firmware. Specifically, it indicates that the checksum value stored in the BIOS is different from the expected value, which suggests that the BIOS firmware may be corrupt or damaged. However, this error is less likely to be the cause of the problem described in the scenario, as it typically occurs before the system attempts to boot from the hard drive.