Critical Reasoning (CR) | Re: 'Ghosting' is a process in which hard drives on networked

Thus, any virus-related damage that occurs to an Outuit computer is the result of a recent infection that occurred within the last week.
Need to weaken the conclusion that virus-related damage happened within last week. So, option 3 is correct as it suggests sometimes virus stays in BIOS and is not cleaned up by Ghosting.

Which of the following, if true, most seriously weakens the conclusion above?

3. In some cases, viruses have been known to reside in the BIOS of a computer, a section of memory
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